The length of the side of a cube having a density of 12. 6 g/ml and a mass of 7. 65 g is 0.8467 cm.
What is Density?
The density of a substance reveals how dense it is in a certain space.The definition of density is the mass of a substance per unit volume.The formula for density is given as, [tex]D=\frac{m}{V}[/tex], where D is the density, m is the mass, and V is the volume.In the question, it is given that the density is 12. 6 g/ml and mass is 7. 65 g.
[tex]\implies D=12.6[/tex] g/ml and [tex]m=7.65g[/tex]
So, the volume can be found by the formula,
[tex]V=\frac{m}{D}\\\implies V=\frac{7.65}{12.6}[/tex]
[tex]\implies V=0.6071[/tex] ml
We also know that the volume of the cube can be given as, [tex]V=(a)^{3}[/tex], where a is the length of the side of the cube.
So, [tex]a=\sqrt[3]{0.6071}[/tex]
[tex]\implies a=0.8467[/tex] cm
Thus, the length of the side of the cube is 0.8467 cm.
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I In a large survey, 1st graders were asked what their favorite color is. The probability that a first grader chose blue is 24%. If 8 students are randomly selected, what is the probability that exactly 2 students say blue
The probability that exactly 2 students say blue is their favourite colour is 0.3108.
What is Binomial DIstribution?
The binomial distribution with parameters n and p in probability theory and statistics is the discrete probability distribution of the number of successes in a series of n independent experiments, each asking a yes-or-no question and having its own Boolean-valued outcome: success (with probability p) or failure (with probability q = 1-p). A single trial or experiment that results in success or failure is known as a Bernoulli experiment, and a series of results is known as a Bernoulli process.The Binomial Distribution Formula is given as, [tex]P(X=k)= ^{n} C_{k}(p)^{k} (1-p)^{n-k}[/tex]Here, the probability that the first grader chose blue is 24%.
[tex]\implies p=0.24[/tex]
The number of students randomly selected is 8.
[tex]\implies n=8[/tex]
So, the probability that exactly 2 students say blue is,
[tex]P(X=2)= ^{8} C_{2}(0.24)^{2} (1-0.24)^{8-2}\\\implies P(X=2)=28 \times 0.0576 \times (0.76)^{6} \\\implies P(X=2)=0.3108[/tex]
Thus, the probability that exactly 2 students say blue is 0.3108.
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A piece of wood has a mass of 303030 grams (\text{g})(g)left parenthesis, start text, g, end text, right parenthesis and a volume of 404040 cubic centimeters \left(\text{cm}^3\right)(cm
3
)left parenthesis, start text, c, m, end text, cubed, right parenthesis. A second piece of wood has the same density \left(\dfrac{\text{g}}{\text{cm}^3}\right)(
cm
3
g
)left parenthesis, start fraction, start text, g, end text, divided by, start text, c, m, end text, cubed, end fraction, right parenthesis and a volume of 240\ \text{cm}^3240 cm
3
240, space, start text, c, m, end text, cubed. What is the mass, in grams, of the second piece of wood?
The mass, in grams, of the second piece of wood is; 180 grams
How to find the density of an object?We are given;
Mass of first wood = 30 grams
Volume of first wood = 40 cubic centimeters(cm³).
The formula for the density of an object is;
Density = mass/volume
Thus
Density = 30/40
Density = 0.75 g/cm³
Now, the second piece of wood has the same density (g/cm³) and a volume of 240 cm³.
Thus;
Mass of second wood/240 = 0.75
Mass of second wood = 240 * 0.75
Mass of second wood = 180 g
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Complete question is;
A piece of wood has a mass of 30 grams and a volume of 40 cubic centimeters(cm³). A second piece of wood has the same density (g/cm³) and a volume of 240 cm³. What is the mass, in grams, of the second piece of wood?
if an interview ask questions at the end of an inte they are
Answer:
Explanation:
yes
The ratio of length to width of a rectangular garden is 6:7 if the perimeter of the rectangle is 78m what is the area? in meters.
Answer:
378 [tex]m^{2}[/tex]
Explanation:
A stationary block has a charge of +6. 0×10−8 c. A 0. 80-kg cart with a charge of +4. 0×10−8 c is initially at rest and separated from the block by 0. 4 m. The cart is released and moves along a frictionless surface to a distance of 1. 0 m from the block. Consider the objects as point charges
The electrostatic force between the block and the cart is -2.1x10^-5 N and the electrostatic potential energy between the block and the cart along a frictionless surface is -1.4x10^-7 J.
What is frictionless surface?
A frictionless surface is a surface that does not experience any friction when an object moves across it. The concept of a frictionless surface is important in physics and engineering, as it helps to explain the behavior of objects in motion. Frictionless surfaces are found in many everyday objects, from the ice on a hockey rink to the wheels on a race car. The frictionless surface allows objects to move quickly and easily across it, resulting in less energy being lost in the process. Frictionless surfaces are also important in the field of nanotechnology, as they allow nanorobots to move quickly and efficiently.
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Which techniques does Quindlen use to develop her idea in “A Quilt of a Country”.
The techniques that Quindlen uses to develop her idea in “A Quilt of a Country” are:
metaphorscontradictionsloaded languageimageryWhat is Imagery?The use of literary elements that assist the reader to build a mental picture in their mind of how something or someone looks, sounds, acts, and so on is referred to as imagery. The terminology employed frequently refers to one or more of our five senses.
Language that is loaded with significance beyond its strict definition is referred to as loaded language. It is frequently employed to elicit an emotional response or to alter someone's perspective on a specific issue.
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What rule describes the rotation about the origin?
(x, y) →
How many degrees was the figure rotated about the origin?
°
It means that the coordinates of the point were translated using the formula (x, y) since the point rotated at an angle of 180°. (-x, -y). As a result, the necessary rule that characterises the rotation about the origin is as follows: (-x, -y). Example of a 180 degree rotation when rotating a figure about its origin.
What is rotation ?The circular movement of an object about a primary axis is referred to as rotation or spin. A revolving object in two dimensions only has one conceivable central axis and can revolve either clockwise or anticlockwise. There are countless conceivable central axes and rotating orientations for a three-dimensional object.
Here are the guidelines for rotation: rotation in the direction of 90°: (x,y) becomes (y,-x) rotation of (x,y) at 90 degrees anticlockwise results in (-y,x) Rotating (x, y) 180 degrees both clockwise and anticlockwise results in (-x,-y)
Thus, the necessary rule that characterises the rotation about the origin is as follows: (-x, -y).
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Answer: 1. -x,-y
2. 180
Explanation:edge
if you switch the locations of the parent genotypes around the Punnett square, does it affect the potential genotypes of their offspring?
If you switch the locations of the parent genotypes around the Punnett square, it would not affect the potential genotypes of their offspring.
What is a Punnett square?A Punnett square may be characterized as a type of table that allows you to determine the expected percentages of different genotypes in the offspring of two parents. It allows the prediction of the percentages of phenotypes in the offspring of a cross from known genotypes.
The potential genotypes of their offspring would not be affected when you switch the locations of the parent genotypes around the Punnett square. This is because the genotypes of the offspring are formed by the random and systematic segregation of their alleles with respect to their genes.
Therefore, if you switch the locations of the parent genotypes around the Punnett square, it would not affect the potential genotypes of their offspring.
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What is the complementary messenger-rna sequence for the dna sequence c-a-a-g-g-t?
The complementary messenger-RNA sequence for the DNA sequence C-A-A-G-G-T is G-U-U-C-C-A.
This is because messenger-RNA is created by a process of transcription in which the complementary base is matched to each side of the DNA sequence.
In this case, the base C is matched with G, A is matched with U, and G is matched with C. Therefore, the complementary messenger-RNA sequence is G-U-U-C-C-A.
What should you do in parallel in order to not get bored, if you start a habit of long studying hours ?
And that activity shouldn't be distracting either.
Answer:
Mix up your topics. To help you not get bored while you are studying, you should change up the topics that you are studying. It is unlikely that you only have one subject to study for at a time, so mix up what you study every half an hour to an hour or so.
Explanation:
Megan Finder, a recent college graduate, is applying for her first credit card. The creditor has asked for a personal net worth statement. Megan owns a scooter worth $2,000. 00 and has $800. 00 in her checking account. She owes Jaycee Auto $920. 00 and River College $125. 0. Complete a net worth statement for Megan Finder. Select Current Date in the appropriate field. Assets should be listed in order of liquidity, so Cash should be listed first. Liabilities should be reported in alphabetic order
Answer:
Explanation:
Given assets are scooter worth $2000, $800 in her checking account.
So total assets = 2000+800 = $2800
And liabilities are which are owed that is $920 and $125.
So total liabilities = 920+125 = $1045
Net worthy = 2800-1045 = $1755
About liabilityA liability is an obligation owned by a person or company that must be paid based on a certain period, usually based on the value of money. But besides money, liabilities can be in the form of obligations in the form of services, goods, or other economic benefits. In recording the balance sheet, liabilities will be recorded on the right or opposite to assets.
In the accounting equation then abbreviated as ALE which consists of assets, liabilities and equity.
The formula, assets = debt + capital.
Some examples of liabilities are debts, loans, mortgages, deferred income, bonds, guarantees, and other accrued expenses.
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A confidence interval for a difference in proportions is −0. 077 to 0. 13. What are the point estimate and the margin of error for this interval?
The point estimate and the margin of error for this interval are 0.0265 and 0.1035 respectively.
What is Confidence Interval?
A confidence interval shows the likelihood that a parameter will be between two values that are close to its mean.The level of certainty or uncertainty in a sampling process is measured by confidence intervals.Additionally, they are employed in regression analysis and hypothesis testing.To determine statistical significance, statisticians frequently combine confidence intervals with p-values.They are often built using confidence intervals of 95% or 99%.Here, the confidence interval for a difference in proportions is −0.077 to 0.13
We know that, the Lower Bound = Point Estimate - Margin of Error
Also, here, the Lower Bound = -0.077
And, Upper Bound = Point Estimate + Margin of Error
Here, the Upper Bound = 0.13
The Point Estimate can be determined as,
Point Estimate = (Upper Bound + Lower Bound) / 2
[tex]\implies[/tex] Point Estimate [tex]=\frac{0.13+(-0.077)}{2}[/tex]
[tex]\implies[/tex] Point Estimate [tex]=0.0265[/tex]
Now, Margin of Error = (Upper Bound - Lower Bound) / 2
[tex]\implies[/tex] Margin of Error [tex]=\frac{0.13-(-0.077)}{2}[/tex]
[tex]\implies[/tex] Margin of Error [tex]=0.1035[/tex]
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Write an expression for the distance vector, d, in rectangular form in terms of d and θ, in a coordinate system with the dish at the origin and the unit vectors i and j in the horizontal and vertical directions. (to the right and up)
d = d * (cos θ * i + sin θ * j) is an expression for the distance vector, d, in rectangular form in terms of d and θ, at the origin and the unit vectors i and j in the horizontal and vertical directions.
What is vector?
A vector is a mathematical object used to represent a quantity with both a magnitude and a direction. Vectors can be used to represent physical quantities such as forces, velocities, and accelerations. They can also be used to represent mathematical operations such as addition and subtraction. Vectors can be represented graphically by drawn arrows, with the length of the arrow representing the magnitude and the direction of the arrow representing the direction. Vectors can also be represented mathematically as a combination of components in a given coordinate system, with each component representing a different direction. Vectors can be added together to create a resultant vector, and can be used to represent the result of any mathematical operation with two or more vectors.
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"All About Global Warming." Science 9 Nov. 2010: 1283-84. Science Online. Web. 24 May 2013.
PLEASE HELP 30 PTS!
Which choice correctly formats the in-text citation for this source?
1 (Science Online 1284)
2 (Science, 1284)
3 ("All About" 1284)
4 (The website Science Online 1284).
Answer:
1 (Science Online 1284) is the correct choice. This in-text citation follows the format of including the author (in this case, Science Online) and the page number (1284) in parentheses.
identify various limiting factors (abiotic and biotic) in an ecosystem
Answer:
Explanation:
In ecology, biotic and abiotic factors make up an ecosystem. Biotic factors are the living parts of the ecosystem, such as plants, animals, and bacteria. Abiotic factors are the nonliving parts of the environment, such as air, minerals, temperature, and sunlight. Organisms require both biotic and abiotic factors to survive. Also, a deficit or abundance of either component can limit other factors and influence an organism's survival. The nitrogen, phosphorus, water, and carbon cycles have both biotic and abiotic components.
Answer:
Biotic factors are living things within an ecosystem; such as plants, animals, and bacteria, while abiotic are non-living components; such as water, soil and atmosphere. The way these components interact is critical in an ecosystem. Thus, organisms tend to compete for their limited availability in the ecosystem. Different limiting factors affect the ecosystem. They are (1) keystone species, (2) predators, (3) energy, (4) available space, and (5) food supply. Some examples of limiting factors are biotic, like food, mates, and competition with other organisms for resources. Others are abiotic, like space, temperature, altitude, and amount of sunlight available in an environment. Limiting factors are usually expressed as a lack of a particular resource.
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The momentum of an object is determined to be 7. 2 × 10-3 kg⋅m/s. Express this quantity as provided or use any equivalent unit. (note: 1 kg = 1000 g )
The momentum of the object when expressed using the equivalent units is determined to be 720 g-cm/s.
What are Equivalent Units?
The amount of work put into a specific quantity of physical goods is measured in equivalent units. You may easily determine equivalent units by multiplying the quantity of physical goods by the amount of work done on them.In order to determine them, the number of physical (or actual) units on hand is multiplied by the units' completion rate.In the given question, momentum, [tex]p=7.2 \times 10^{-3}[/tex] kg-m/s
Here, the momentum is expressed in SI units.
Now, we can convert the units of momentum into CGS system using the following equivalent units.
1 kg = 1000 g and 1 m = 100 cm
So, we get the momentum as,
[tex]p=7.2 \times 10^{-3} \times 1000 \times 100[/tex] g-cm/s
[tex]\implies 7.2 \times 10^{2}[/tex] g-cm/s
[tex]\implies p=720[/tex] g-cm/s
Hence, the momentum of the object when expressed using the equivalent units is 720 g-cm/s.
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What happens if I fail science in highschool but do well in my other classes? Will I be able to graduate? How will it affect me?
How does Wiesel feel about the power of memory? Highlight and label any rhetorical devices Wiesel uses to stress his point.
Passage: “Home, Despair, and Memory” By Elie Wiesel
Sound and light travel at the same speed.
Answer:
False, I assume that is what you were looking for.
Explanation:
The speed of light is much faster than sound.
An object moves 15. 0 m north and then 11. 0 m south. Find both the distance it has traveled and the magnitude of its displacement
Answer: The object ends up 4.0m north from the starting point, and the magnitude of the displacement is 4.0 m (northwards). ✅
Explanation:
The distance an object travels is the total distance it has moved in all directions. This can be found by adding up the distance it has moved in each direction.
In this case, the object moved 15.0 m north and then 11.0 m south. To find the total distance traveled, we add 15.0 m + 11.0 m = 26.0 m. So the distance traveled is 26.0 meters.
The magnitude of the displacement of an object is the distance and direction between the initial and final position. In this case, the object moved 15.0 m north and then 11.0 m south. So, the object ends up 4.0m north from the starting point, and the magnitude of the displacement is 4.0 m (northwards).
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How can you overcome your fear of failure?
Q4
The importance of a college education when seeking employment is.
A Shrinking
B) Irrelevant
Growing
D Neutral
When looking for work, a college education is becoming increasingly important. A college degree may be essential for success today because more and more professions need advanced knowledge.
What role does education have in securing a job?The fundamental goal of employee education is to develop employees' potential as human resources and human capital, which make up the majority of the organization and are essential for its competitiveness on the job market.
What does the phrase "education for work" mean?To educate logically for handling a variety of work and life tasks, education physically separates the student from their jobs. Education is one of many elements that affect graduates' careers and serves as a qualification and status-distributive role for the economy and society.
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What advantages and disadvantages does that offer Khadim as an author?
The advantage that offers Khadim as an author is to impress the reader through their ideas, objectives, emotions, and literary devices.
What is the fundamental work of an author?The responsibilities of an author include writing original stories for novels, plays, television scripts, and movies. Authors also write journals, develop story elements, and rewrite and revise pieces written by other writers.
With respect to advantages, an author must also have numerous disadvantages. The most important disadvantage is facing criticism from the author whenever an author makes slight mistakes in expressing their thoughts. In this circumstance, the audience all the time never gives excuses or pardons to the author which he certainly deserves.
Therefore, the advantage and disadvantages that offers Khadim as an author are well described above.
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A 15-foot wire and a 5-foot wire were each cut
completely into 10-inch pieces. How many more
10-inch pieces resulted from the 15-foot wire than
from the 5-foot wire? (12 inches = 1 foot)
Answer: 12
Explanation: 15 feet=180 inches
5 feet= 60 inches
divide both by 10 inch pieces and we get 18 pieces and 6 pieces.
so 18-6=12