Answer: 35 children
Step-by-step explanation:
Let the number of children who play only football be f , the number of children who play only
tennis be t and the number of children who play both sports be b.
Since there are 42 children, f + t + b = 42.
Also, since the number of children who play tennis is equal to the number of children who play
only football, t + b = f . Therefore f + f = 42. So f = 21 and t + b = 21.
Finally, twice as many play both tennis and football as play just tennis. Therefore b = 2t.
Substituting for b, gives t + 2t = 21. Hence t = 7.
Therefore the number of children who play football is 42 − t = 42 − 7 = 35.
Compared to the parent function, how does the value of a affect the graph of y = a|x|?
If a > 1, the graph of y = a|x| will be vertically stretched (or "taller") or if 0 < a < 1, the graph of y = a|x| will be vertically compressed (or "shorter") or If a is negative, the graph of y = a|x| will be a reflection of the graph of y = |x| than the graph of y = |x| than the graph of y = |x|,
What is graph?A graph is a visual representation of a set of objects, called vertices or nodes, that are connected by lines or edges. It is used to study relationships and patterns between these objects.
According to the given information :
The graph of the function y = |x| is a V-shaped graph that passes through the origin, with the arms of the V opening upward and downward at a slope of 1. When we introduce a coefficient 'a' to the function, the graph of y = a|x| is stretched or compressed vertically.
Specifically, if a > 1, the graph of y = a|x| will be vertically stretched (or "taller") than the graph of y = |x|, and the arms of the V will be steeper. On the other hand, if 0 < a < 1, the graph of y = a|x| will be vertically compressed (or "shorter") than the graph of y = |x|, and the arms of the V will be less steep.
If a is negative, the graph of y = a|x| will be a reflection of the graph of y = |x| about the x-axis, resulting in the same shape as y = |x| but flipped upside down
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In this problem we'll be dealing with the human Msc gene, which contains four exons (A, B, C, and D in that order) and three introns. This gene is expressed heavily in hepatocytes as well as pancreatic cells in the body; you find lots of Msc proteins in these two tissue types. a) Draw out a schematic of this eukaryotic gene, labeling all components. b) In looking at Msc proteins expressed in the tissue types, you find that the amino acid sequence differs slightly between the pancreatic cells and the hepatocytes. Specifically, the amino acid sequence at the beginnings and ends (N and C termini, respectively, if you are familiar with those terms) of both proteins is identical, but the amino acid sequence in the middle of the protein is quite different between the two tissue types. Briefly explain how this is possible. (1-2 sentences) c) Based on what you know about Msc, draw out a schematic of what the mature mRNA would look like in hepatocytes. (There are two possible answers here: you just need to include one.)
The eukaryotic Msc gene can be represented as follows: 5'-A
(exon)-intron 1-B (exon)-intron 2-C (exon)-intron 3-D (exon)-3'. The gene contains four exons (A, B, C, and D) and three introns.
b) The difference in amino acid sequences between the pancreatic cells and hepatocytes can be explained by alternative splicing. This process allows for different combinations of exons to be included in the mature mRNA, resulting in multiple protein isoforms with distinct sequences.
c) One possible mature mRNA for the Msc gene in hepatocytes could include exons A, B, and D, with exon C skipped due to alternative splicing: 5'-A (exon)-B (exon)-D (exon)-3'.
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Starting with a square whose perimeter is 36, I from a rectangle by doubling the length of two of the sides and tripling the length of the other two sides. This rectangle's perimeter is
of course has five exams in the passing. The course requires a 75 average on the exam Maria scored 60%, 72% 80% and 70% on the first. For example what is the minimum score of the fifth exam that will let Maria pass the class.
Answer:
Step-by-step explanation:
In right triangle trigonometry, when finding missing sides and angles, calculate the measure of each indicated angle and round to the nearest tenth.
Answer:
sorry, could you be a little more specific? like add an equation. i would love to answer this question, but i cant without more information. if you can add some more i will gladly answer the question for you.
Step-by-step explanation:
For a random variable Z, its mean and variance are defined as E[Z] and E[(Z-E[Z])2], respectively. Let X1, ..., Xn be independent and identically distributed random variables, each with mean y and variance 02. If we define în = 121_, Xi, what is the mean and variance of vñîn – u)?
The mean of X1, ..., Xn is 121 * y, which indicates that the underlying data have a central tendency of 121 * y. Therefore, the mean and variance of X1, ..., Xn are 121 * y and 242, respectively.
What is mean?The mean provides information about the central tendency of the underlying data, while the variance provides information about the spread or variability of the underlying data.
The mean and variance of X1, ..., Xn can be calculated as follows:
Mean:
E[X1, ..., Xn] = E[X1] + ... + E[Xn] = n * E[X1]
= n * y
= 121 * y
Variance:
E[(X1 - E[X1])2 + ... + (Xn - E[Xn])2] = n * E[(X1 - E[X1])2]
= n * 02
= 121 * 02
= 242
Therefore, the mean and variance of X1, ..., Xn are 121 * y and 242, respectively.
The mean and variance of a random variable are important parameters for describing the probability distribution of that variable.
In this case, the mean of X1, ..., Xn is 121 * y, which indicates that the underlying data have a central tendency of 121 * y.
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the total surface area of a closed cylinder is 5000cm3 find the dimensions of the cylinder that maximize its volume and state this maxiumum volume. veryfiy that is is a maximum point
The dimensions of the closed cylinder that maximize its volume are radius=25 cm and height=40 cm. The maximum volume is 62,500 cubic cm.
Given that the total surface area of the closed cylinder is 5000 cm^2, we can write the equation for the total surface area as:
2πrh + 2πr^2 = 5000
We want to find the dimensions that maximize the volume of the cylinder. The volume of a cylinder is given by:
V = πr^2h
We can use the equation for the total surface area to solve for h in terms of r:
h = (5000 - 2πr^2) / (2πr)
Substituting this expression for h into the equation for the volume, we get:
V = πr^2[(5000 - 2πr^2) / (2πr)]
Simplifying this expression, we get:
V = (2500πr - πr^3)
To find the maximum volume, we take the derivative of V with respect to r and set it equal to zero:
dV/dr = 2500π - 3πr^2 = 0
Solving for r, we get r=25 cm.
We can then substitute this value of r into the expression for h to get h=40 cm.
Therefore, the dimensions of the cylinder that maximize its volume are radius=25 cm and height=40 cm.
Substituting these values into the equation for the volume, we get:
V = π(25)^2(40) = 62,500 cubic cm.
To verify that this is a maximum point, we can take the second derivative of V with respect to r:
d^2V/dr^2 = -6πr
At r=25 cm, this is negative, which indicates that we have a maximum point. Therefore, the dimensions calculated above do indeed maximize the volume of the cylinder.
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Out of 300 people sampled, 66 had kids. Based on this, construct a 99% confidence interval for the true population proportion of people with kids_ Give your answers as decimals, to three places_'
We can be 99% confident that the true proportion of people with kids in the population falls within this interval.
To construct the confidence interval, we first need to calculate the sample proportion of people with kids:
p = 66/300 = 0.22
Next, we need to find the critical value for a 99% confidence interval. We can use a Z-table or calculator to find that value, which is 2.576.
Now we can use the formula for the confidence interval:
p ± Zα/2 * sqrt(p(1-p)/n)
Substituting in our values, we get:
0.22 ± 2.576 * sqrt(0.22(1-0.22)/300)
Simplifying this expression, we get:
0.22 ± 0.066
Therefore, the 99% confidence interval for the true population proportion of people with kids is:
(0.154, 0.286)
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Question 10 (1 point)
Salma follows models on social media who seem to always look amazing and have
such fabulous, carefree lives. Salma wishes she could be like them and float through
live with ease. Salma's brother Khalid thinks Salma's opinion of these models is
unrealistic. What is the BEST comment Khalid could make to Salma about this?
O "Models actually have amazingly hard lives."
"These models are probably selfish and vain people."
"You don't need to be like those models to be happy."
"Those models actually aren't that attractive."
The best comment Khalid could make to Salma about her opinion of the models she follows on social media is: "You don't need to be like those models to be happy." (Option C).
How to Determine the Comment?The chosen comment above comment is determined to be the best because it offers a constructive and positive perspective to Salma, while acknowledging her desire to emulate the models she follows on social media. It encourages her to shift her focus away from comparing herself to others and towards finding her own path to happiness.
The other options, such as "Models actually have amazingly hard lives" and "Those models actually aren't that attractive," are not helpful or constructive comments. They either discredit the hard work and dedication that models put into their careers or offer a negative perspective on their physical appearance. These comments are unlikely to make Salma feel better about herself or improve her outlook on the situation.
The comment "These models are probably selfish and vain people" is also not helpful because it makes an assumption about the models' personalities based solely on their social media presence, which is not necessarily accurate or fair.
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what is the wavelength (in nm) of an electron moving with a speed of 5.97 mms-1, the mass of an electron is 9.11 x 10-28 g.
the wavelength of the electron is approximately 122 nm To find the wavelength of an electron, we can use the de Broglie wavelength formula:
wavelength (λ) = h / (m * v)
where:
- h is Planck's constant (6.63 x 10^-34 Js)
- m is the mass of the electron (9.11 x 10^-28 g, which needs to be converted to kg)
- v is the speed of the electron (5.97 mm/s, which needs to be converted to m/s)
Step 1: Convert the mass of the electron to kg:
9.11 x 10^-28 g * (1 kg / 1000 g) = 9.11 x 10^-31 kg
Step 2: Convert the speed of the electron to m/s:
5.97 mm/s * (1 m / 1000 mm) = 5.97 x 10^-3 m/s
Step 3: Plug the values into the de Broglie wavelength formula:
λ = (6.63 x 10^-34 Js) / (9.11 x 10^-31 kg * 5.97 x 10^-3 m/s)
Step 4: Calculate the wavelength:
λ = (6.63 x 10^-34 Js) / (5.44 x 10^-33 kg m/s) ≈ 1.22 x 10^-10 m
Step 5: Convert the wavelength to nm:
1.22 x 10^-10 m * (1 x 10^9 nm / 1 m) ≈ 122 nm
So, the wavelength is approximately 122 nm.
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show that ∃x(p(x) ∨ q(x)) and ∃xp(x) ∨ ∃xq(x) are logically equivalent
Both statements imply each other, we can conclude that ∃x(p(x) ∨ q(x)) and ∃xp(x) ∨ ∃xq(x) are logically equivalent.
How to show that ∃x(p(x) ∨ q(x)) and ∃xp(x) ∨ ∃xq(x) are logically equivalent?We'll demonstrate that they imply each other.
1. First, let's assume ∃x(p(x) ∨ q(x)). This means that there exists an x such that either p(x) is true or q(x) is true (or both).
2. Since p(x) or q(x) is true for some x, we can say that either there exists an x for which p(x) is true or there exists an x for which q(x) is true. This can be written as ∃xp(x) ∨ ∃xq(x).
Now, let's assume ∃xp(x) ∨ ∃xq(x).
3. This statement means that there exists an x for which p(x) is true, or there exists an x for which q(x) is true (or both).
4. From this, we can conclude that for some x, either p(x) is true or q(x) is true. So, we can write this as ∃x(p(x) ∨ q(x)).
Since we've shown that both statements imply each other, we can conclude that ∃x(p(x) ∨ q(x)) and ∃xp(x) ∨ ∃xq(x) are logically equivalent.
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Given a uniform probability distribution with a minimum of 5 and a maximum of 15. Calculate the mean
The mean of a given uniform probability distribution with minimum value as 5 and maximum value 15 is given by 10.
In the uniform probability distribution,
Minimum value is equal to 5
Maximum value is equal to 15
Let us consider the minimum value represented by x.
And maximum value represented by y.
The mean can be calculated using formula.
Mean = ( Minimum value + Maximum value ) / 2
= ( x + y ) / 2
= ( 5 + 15 ) / 2
= 10.
Therefore, the mean of the uniform probability distribution with given minimum and maximum value is equal to 10.
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If we change a 95% confidence interval estimate to a 99% confidence interval estimate, we can expect: A. the size of the confidence interval to decrease. B. the sample size to increase. C. the size of the confidence interval to increase. D. the size of the confidence interval to remain the same.
If we change a 95% confidence interval estimate to a 99% confidence interval estimate, we can expect the size of the confidence interval to increase.
This is because a higher level of confidence requires a wider interval to encompass a larger range of possible values. The sample size does not necessarily need to change to adjust the confidence interval. Therefore, the correct answer is C. the size of the confidence interval to increase.
If we change a 95% confidence interval estimate to a 99% confidence interval estimate, we can expect C. the size of the confidence interval to increase. This is because a higher confidence level requires a larger range to ensure the true population parameter is captured with more certainty.
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true or false: if a is an m x n matrix and t is a transformation for which t(x) = ax, then the range of the transformation is t is r^m
False.
The range of the transformation T is not necessarily equal to R^m.
The range of a linear transformation T: R^n -> R^m is the set of all possible output vectors of T, i.e., the set of all vectors y in R^m such that there exists an input vector x in R^n such that T(x) = y.
The range of a transformation T can be thought of as the span of the columns of the matrix A that represents T, which is the set of all possible linear combinations of the columns of A.
Therefore, the range of the transformation T will depend on the column space of A, which is a subspace of R^m, and not necessarily equal to R^m. The dimension of the column space of A will give the rank of the matrix A, and the rank of A can be at most min(m, n).
find the point on the plane 4x 7y 8z-14=0 closest to the point (-2,2,3) THE POINT IS___.
The point on the plane 4x + 7y + 8z - 14 = 0 closest to the point (-2,2,3) is (-1, 1, 1). This can be answered by the concept of Distance formula.
To find the point on the plane closest to the given point, we can use the formula for the distance between a point and a plane. The formula states that the distance between a point (x1, y1, z1) and a plane Ax + By + Cz + D = 0 is given by:
Distance = |Ax1 + By1 + Cz1 + D| / √(A² + B² + C²)
In this case, the coefficients of x, y, and z in the equation of the plane are A = 4, B = 7, and C = 8, and D = -14. The given point is (-2, 2, 3), so x1 = -2, y1 = 2, and z1 = 3.
Plugging these values into the formula, we get:
Distance = |4(-2) + 7(2) + 8(3) - 14| / √(4² + 7² + 8²)
Simplifying, we get:
Distance = 35 / √(189)
To find the point on the plane closest to the given point, we need to minimize this distance. Since the distance is a positive value, the point on the plane closest to the given point will be the one that minimizes the numerator of the distance formula, which is |4(-2) + 7(2) + 8(3) - 14|. This occurs when the numerator is equal to zero.
Setting the numerator equal to zero, we get:
4(-2) + 7(2) + 8(3) - 14 = 0
Solving for x, y, and z, we get:
x = -1
y = 1
z = 1
Therefore, the point on the plane closest to the given point (-2, 2, 3) is (-1, 1, 1).
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Two friends are renting a property with a monthly rent of $1,150. The total square footage is 1,225 square feet, the first bedroom is 140 square feet, and the second bedroom is 125 square feet. Determine how much the friend with the smaller bedroom will pay for rent if they split the cost based on the square footage of each bedroom. (2 points)
$540.35
$556.25
$567.95
$582.05
The proportion of rent that the friend with the smaller bedroom has to pay is 125/265. So his share of the rent is $540.35.
What is a ratio ?Suppose the distance from your house to your school is 2 miles, while the distance from your house to the nearest park is 3 miles.
Then we say that the ratio of the two distances s 2:3. To take another example suppose in today's hw, you have got 10 questions to answer, while in yesterday's hw you had 7 questions to answer. In this case we say that the ratio of the no of hw questions you have today, to the no questions you had yesterday is 10:7.
A ratio is a pair of numbers which gives the relative magnitudes of two similar quantities. A ratio of a:b is also represented by the fraction a/b.
What is a proportion ?Let us use the previous example. the ratio of the distances from your home to your school and to the nearest park is say 2:3 . Now consider the ratio of the time it takes to reach your school from your home by car to the time it takes to reach the park by car from your home. suppose this ratio a:b . Then it reasonable to assume that the two fractions a/b and 2/3 are equal, assuming the car moves at the same average speed.
This common ratio is called the proportion. we write it as follows,dist to school : dist to park : : time to school : time to park.
This is read as the distance to school IS TO distance to park AS time to school IS TO time to park.
if we write the ratios as fractions. Then they are proportional or equivalently they are the same proportion if and only if the two fractions are equal.
So The ratio of the bedroom sizes is 125 : 140.
Total rent that is to be divided between them is $1150.
if the share of the rents are a,b. then as fractions a/b = 125/140
So. a/a+b = 125/125+140 = 125/265
but a + b = 1150
So a = 125/265 (1150) = 542.452
The closest option is $540.35. So this is our answer.
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William leaves work at 16:00. he drives 36km to work at an average speed of 48km/h. what time does William arrive home?
give your answer on the 24 hour clock
Two students evaluate the expression 17(4 +15)
Student A evaluated the expression by adding the product of 17 nd 4 to the product of 17 nd 15.
Student B evaluates the expression by determining the product of 17 nd 19
Is each student’s evaluation correct or incorrect?
I DPNT GET IR
Step-by-step explanation:
Let's break down the expression 17(4 + 15) to better understand the problem:
17(4 + 15) = 17(19)
= 323
So the expression simplifies to 323.
Student A evaluated the expression by adding the product of 17 and 4 to the product of 17 and 15.
So, Student A's evaluation is incorrect because they did not distribute the 17 to each term inside the parentheses. The correct process would be:
17(4 + 15) = 17*4 + 17*15
= 68 + 255
= 323
Student B evaluated the expression by determining the product of 17 and 19.
So, Student B's evaluation is correct because 17 times 19 gives us 323, which is the solution to the expression 17(4+15).
Therefore, Student A's evaluation is incorrect, while Student B's evaluation is correct.
If the measure of one exterior angle of a regular polygon is 24", then -the polygon has sides.
Answer: the polygon sides is 15
If the measure of one exterior angle of a regular polygon is 24, Number of sides of polygon with each angle of 24 is 15 sides.
Junhao left his house at 17 25 and went for a walk. He returned home at 19 10. How long did he walk?
Okay, let's break this down step-by-step:
* Junhao left at 17:25
* He returned at 19:10
* So we need to calculate the total time he was walking.
Here are the conversion steps:
* 17:25 = 17 hours and 25 minutes
* 19:10 = 19 hours and 10 minutes
* So the total time = (19 hours 10 minutes) - (17 hours 25 minutes)
* = 19*60 + 10 - 17*60 - 25
* = 1140 - 1025 = 115 minutes
So Junhao was walking for 115 minutes.
Let me know if you have any other questions!
Answer:
1 hour 45 minutes.
Step-by-step explanation:
We can count up to determine the length of time.
from 1725 to 1800 is 35 minutes. (Remember that time is in increments of 60 minutes). Add another hour to 1900. Add 10 minutes to 1910
We have a total of 35 minutes plus 1 hour plus 10 minutes
1 hour 45 minutes.
Question: Suppose X and Y are complements and demand for X is Qx d = a0+ aXPX + aYPY + aMM + aHH. Then we know A) aM < 0. B) aH > 0. C) aY < 0. D) aX > 0.
We can conclude that options B and C are true, from X and Y are complements and demand for X is Qx d = a0+ aXPX + aYPY + aMM + aHH.
Since X and Y are complements, they are consumed together. Therefore, the demand for X is affected not only by its own price, but also by the price of its complement, Y. The demand function for X can be written as:Qx d = a0 + aXPX + aYPY + aMM + aHHwhere Qx d is the quantity of X demanded, PX is the price of X, PY is the price of Y, M is income, and H is a vector of other variables that affect demand.From this demand function, we can determine the signs of the coefficients aM, aH, aY, and aX:The coefficient aM represents the effect of income on the demand for X. If X is a normal good, then aM < 0, since an increase in income leads to an increase in the demand for X. If X is an inferior good, then aM > 0, since an increase in income leads to a decrease in the demand for X. Therefore, we cannot determine the sign of aM based on the information given.The coefficient aH represents the effect of other variables on the demand for X. Since we are given that X and Y are complements, it is likely that other variables that affect the demand for X would also affect the demand for Y in the opposite direction. Therefore, we can expect aH > 0, since an increase in these other variables would lead to an increase in the demand for Y, which would lead to an increase in the demand for X.The coefficient aY represents the effect of the price of Y on the demand for X. Since X and Y are complements, we can expect aY < 0, since an increase in the price of Y would lead to a decrease in the demand for Y, which would lead to a decrease in the demand for X.The coefficient aX represents the effect of the price of X on the demand for X. We cannot determine the sign of aX based on the information given.Therefore, we can conclude that options B and C are true, while options A and D cannot be determined from the given information.For more such question on complements
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I'm a bit confused on how to do this... please help asap
The value of CD for the circle O with tangent AB and the secant through A which intersect the circle at points C and D is equal to 8 cm
What are circle theoremsCircle theorems are a set of rules that apply to circles and their constituent parts, such as chords, tangents, secants, and arcs. These rules describe the relationships between the different parts of a circle and can be used to solve problems involving circles.
For the tangent AB and the secant through A which intersect the circle at points C and D;
AB² = AC × CD {secant tangent segments}
(4 cm)² = 2 cm × CD
CD = 16 cm²/2 cm
CD = 8 cm
Therefore, the value of CD for the circle O with tangent AB and the secant through A which intersect the circle at points C and D is equal to 8 cm.
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5. Ciarra can edit 15 medical reports in 10 hours. Luisa needs 15 hours to do the same job. If they work together, how long will it take them to edit the reports?
Answer:
15 hours
Step-by-step explanation:
find the general solution of the given system. x' = 10 −20 8 −18 x x(t) =
The general solution of the system is given by:
x(t) = c1 [x1, -√3x1/2] e^(4 + √12)t + c2 [x1, √3x1/2] e^(4 - √12)t
To find the general solution of the given system, we first need to find the eigenvalues and eigenvectors of the coefficient matrix.
The characteristic equation is given by:
|10 - λ -20|
| 8 -18 - λ| = (10 - λ)(-18 - λ) - (-20)(8) = λ^2 - 8λ + 4 = 0
The roots of this equation are λ = 4 ± √12.
For λ = 4 + √12, the corresponding eigenvector is found by solving the equation:
|10 - (4 + √12) -20| |x1| |0|
| 8 -18 - (4 + √12)| |x2| = |0|
This leads to the equation 4x1 + √12 x2 = 0, which can be simplified to x2 = -√3 x1/2. Thus, the eigenvector is [x1, -√3x1/2].
For λ = 4 - √12, the corresponding eigenvector is found by solving the equation:
|10 - (4 - √12) -20| |x1| |0|
| 8 -18 - (4 - √12)| |x2| = |0|
This leads to the equation 4x1 - √12 x2 = 0, which can be simplified to x2 = √3 x1/2. Thus, the eigenvector is [x1, √3x1/2].
Therefore, the general solution of the system is given by:
x(t) = c1 [x1, -√3x1/2] e^(4 + √12)t + c2 [x1, √3x1/2] e^(4 - √12)t
where c1 and c2 are constants determined by the initial conditions.
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Help help help help help help help help help
write 17/20 as a fraction decimal percent.
Written as a fraction, the amount is 17/20 .
But a fraction actually means "division". When you see "17/20", it means "17 divided by 20".
If you actually go ahead and DO the division problem (with a pencil or on your calculator) that the fraction is talking about, the answer you get is the same amount as the fraction, but written as a decimal.
The same amount as 17/20, written as a decimal, is 0.85 .
The same amount as 17/20, written as a percent, is 85% .
Amange in ascending order: 9-3,4-6.2-4) 1-7-31,-5-3x2
pls help with this
pls enter the correct answer
The ascending order of the expression from smallest to highest is: -39, -11, -8, -6, 2.
What is the expressions about?In the above case, we need to first break down or simplify the expressions and thus it will be:
9 + 3 = -6
-4 + 6 = 2
2(-4) = -8
1 - 7 - 31 = -39
-5 - 3 x 2 = -11
So now, we need to arrange them and this will be in ascending order from smallest to highest and it will be: -39, -11, -8, -6, 2
Therefore, the ascending order of the expression is : -39, -11, -8, -6, 2.
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See correct question below
17. Arrange -9 +3, -4+6, 2(-4), 1-7-31, -5-3x2 in ascending order.
Nevio mixed \dfrac5{8}\text{ L} 8 5 Lstart fraction, 5, divided by, 8, end fraction, start text, space, L, end text of water with \dfrac14\text{ L} 4 1 Lstart fraction, 1, divided by, 4, end fraction, start text, space, L, end text of orange juice. Select the true statement about the amounts of liquid Nevio mixed. Choose 1 answer: Choose 1 answer: (Choice A) A Both fractions are almost 111 whole. (Choice B) B One fraction is about \dfrac12 2 1 start fraction, 1, divided by, 2, end fraction and the other is less than \dfrac12 2 1 start fraction, 1, divided by, 2, end fraction. Select the best estimate for the total amount of liquid Nevio mixed. Choose 1 answer: Choose 1 answer: (Choice A) A \dfrac12 \text{ L} 2 1 Lstart fraction, 1, divided by, 2, end fraction, start text, space, L, end text (Choice B) B 1 \text{ L}1 L1, start text, space, L, end text (Choice C) C 2 \text{ L}2 L
Nevio mixed two liquids, 5/8 L, of water with 1/4 L of orange juice.
a) The statement that both fractions are almost 1 whole is true statement.
b) the best estimate for the total amount of liquid Nevio mixed is equals to the 1 L. So, option(A) is right one.
A fraction represents a part of a whole number. In arithmetic, the number is expressed as a quotient or ratio, in which the numerator (upper part) is divided by the denominator ( lower part of fraction).
We have, Nevio mixed quantity of water with an quantity of orange juice. That is
Quantity of water in mixture = [tex] \frac{5}{8} [/tex] L
Quantity of orange juice in mixture = [tex] \frac{1}{4} [/tex] L
a) Now, we have to determine the total amount of liquid Nevio mixed. For this we have to add both the fractions present above. The main rule to add the fractions is " add like fractions, that is add their numerators and keep the denominator same." So, first we make same denominator in both, that is we can rewrite the quantity of orange juice in mixture = [tex] \frac{2}{8} [/tex] L
So, total amount of liquid Nevio mixed =
[tex] \frac{5}{8} + \frac{2}{8} [/tex]
= [tex] \frac{7}{8} [/tex] < 1, this is part less than whole, so we can say that Both fractions are almost 1 whole.
b) Total amount mixed= [tex] \frac{7}{8} [/tex] = 0.875
The best estimate for the total amount of liquid Nevio mixed is 1 L. Hence, required value is 1 L.
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Complete question:
Nevio mixed 5/8 L, of water with 1/4 L of orange juice.
a) Select the true statement about the amounts of liquid Nevio mixed.
A) Both fractions are almost 1 whole.
B) One fraction is about 1/2 and the other is less than 1/2
b) Select the best estimate for the total amount of liquid Nevio mixed.
A ) 1L
B) 1/2 L
What is the width of a rectangular prism with a length of 2 feet, a height of 8 feet and a volume of 64 cubic feet?
Answer:4 feet
Step-by-step explanation:
2x8=16
64 divided by 16= 4 feet
What conditions must be satisfied by b1, b2, b3, b4, and b5 for the over determined linear system to be consistent?
x1 - 4x2 = b1
x1 - 3x2 = b2
x1 + x2 = b3
x1 - 5x2 = b4
x1 + 6x2 = b5
For the system to be consistent, b4 must be equal to b2. This is the condition that needs to be satisfied by the constants b1, b2, b3, b4, and b5 in this over-determined linear system.
How to determine the conditions for the over-determined linear system to be consistent?We need to find the relationships between the constants b1, b2, b3, b4, and b5.
Step 1: Identify the linear system
The system given is:
x1 - 4x2 = b1
x1 - 3x2 = b2
x1 + x2 = b3
x1 - 5x2 = b4
x1 + 6x2 = b5
Step 2: Find relationships between equations
To find relationships between the equations, we can perform operations like addition, subtraction, and scaling on the given equations.
We will start by subtracting the second equation from the first equation:
(b1 - b2) = x2
Now, subtract the first equation from the fourth equation:
(b4 - b1) = -x2
Step 3: Solve for the relationships between the constants
Add the equations we found in step 2:
(b1 - b2) + (b4 - b1) = x2 - x2
Simplify the equation:
b4 - b2 = 0
So, we have found one relationship between the constants:
b4 = b2
For the system to be consistent, b4 must be equal to b2. This is the condition that needs to be satisfied by the constants b1, b2, b3, b4, and b5 in this over-determined linear system.
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