Answer:
Mean is fairly simple. You add up all the numbers, then divide it by how many numbers you have.
Step-by-step explanation:
Take for example, you have 1, 2, 3, 4, 5
Add all those numbers up.
1+2+3+4+5
You get 15.
To get the mean, you simply divide 15 by 5.
Why?
Because there are 5 numbers present.
In simple words,
[tex]mean \: = \: \frac{sum \: of \: the \: observations}{no. \: of \: observations} [/tex]
The number of bacteria at the beginning of an experiment was 30 and the bacteria
grow at an hourly rate of 1.4 percent. Using the model given by A(t) = A0e^kt,
estimate the number of bacteria, rounded to the nearest whole number after 20 hours.
Answer:
The answer is 49,197
Step-by-step explanation:
I multiplied the previous number by 1.4, 20 times.
what is X for this 2x+7-6x=23
Answer:
[tex]x=-4[/tex]
Step-by-step explanation:
[tex]2x+7-6x=23[/tex]
[tex]-4x+7=23[/tex]
[tex]-4x=16[/tex]
[tex]x=-4[/tex]
Answer:
x=-4
Step-by-step explanation:
2x+7−6x=23
Step 1: Simplify both sides of the equation.
2x+7−6x=23
2x+7+−6x=23
(2x+−6x)+(7)=23(Combine Like Terms)
−4x+7=23
−4x+7=23
Step 2: Subtract 7 from both sides.
−4x+7−7=23−7
−4x=16
Step 3: Divide both sides by -4.
−4x
−4
=
16
−4
x=−4
Pablo has completed 44 deliveries so far this week. He needs to make 55 deliveries for the week. What
percentage of his deliveries has Pablo completed?
Answer:
80%Step-by-step explanation:
step one:
completed delivery = 44
total delivery to be made= 55
Step two
Required is the percentage completed
the formula is
=completed/total*100
=44/55*100
=0.8*100
=80%
Hence Pablo has completed 80% of the deliveries so far
Need help. (please look at the image file)
Slope Intercept Form
Answer:
Y = mx + b
Step-by-step explanation:
Is this what you asked for???
What value
cannot be
included in
The domain
3x+1
2x+10
Answer:
x= 9
Step-by-step explanation:
NEED RN, WORTH 30! ~ please and thank you! <3
the first photo is number one, and the second photo is number two :)
Answer:
It's the third one down for both of them.
Step-by-step explanation:
1. first count the spaces from each intersection, starting with down. #1 has a slope of 2/3. Since it's leaning to the left, it's a negative. The only one with -2/3 is the third option down.
2. Again, look at the slope. this one is 2/1 (or just 2), and is leaning to the left, so is negative. Since there are multiple with -2 as the slope, we then look at the y-intercept. It's -1. The only answer that lines up perfectly with what we have is the third one down.
Kristi gets $10 a week from her parents if she washes the dishes after dinner every night. Kristi has saved up $30 over the last few weeks from her allowance. She wants to continue saving her allowance until she has enough money to buy the $70 bike she saw at the store last week. Assuming Kristi receives her allowance every week, write an equation that shows how many more weeks Kristi has to save her allowance to buy the bike, where w is the number of weeks.
Answer:
4
Step-by-step explanation:
70=10w+30
70 is the total she needs for the bike, 10 is the total amount of dollars she gets per week, w is the total numbers of weeks she worked, and 30 is the total amount of money she already has.
20 POINTS PLEASE HELP ME.
(You have to also explain the reasoning you used to find the expression)
9514 1404 393
Answer:
560 +32x
Step-by-step explanation:
There are a number of ways the area can be subdivided. In order to minimize the number of expressions involving x, we choose to divide it this way:
Create a rectangle 52 yd by 40 yd that encloses the figure along with the empty space above the left side of the figure.
Subtract a rectangle whose dimensions are (40-x) by (52 -20) in the upper left corner of the previous rectangle.
Subtract a rectangle whose dimensions are 10 by 24 in the center of the figure.
Then the total area of the parking lot is ...
52·40 -(40-x)(32) -10·24 = 2080 -1280 +32x -240 = 560 +32x
The area of the parking lot is 560+32x square yards.
The record of an athlete shows that she scores 0.82 of the points she attempts to make. What is the probability that she makes her first point on attempt number 4?
Answer:
The probability is 0.00478224
Step-by-step explanation:
Probability of scoring an attempt is 0.82
Probability of not is 1-0.82 = 0.18
So making the first point in attempt number 4 means that she failed the first three
So we have the probability as;
0.18 * 0.18 * 0.18 * 0.82 = 0.00478224
So each camper will get ½ cup of juice.
A=2 cups concentarte:3 cups water
B=5 cups concentrate:9 cups water
C=1 cup concentrate:2 cups water
D=3 cups concentrate:5 cups water
1. How many batches are needed to make 240 campers?
Please label it if its Mix: A, B, C, D
Please help meeeee
I think the answer is C
suppose a triangle has sides 1,1,1 which of the following must be true
Answer:
1
Step-by-step explanation:
Which of the following is not a factor that affects your auto insurance premiums?
a year, make, and model of your car
b. where you live
c. the color of your car
d. overall value of your car
The option that is not a factor that affects your auto insurance premiums is; C: The Colour of your Car
What is Insurance Premium?The amount you'll pay for car insurance is determined by a number of factors. Now, the factors that mainly determines the bottom line on your auto policy include;
Your driving record.How much you use your carYour ageLocationGenderThe car you driveYour Credit ScoreThe type and amount of auto insurance coverageNow, looking at the various factors and comparing to the given options, the only odd one out is the colour of your car.
Read more about Insurance Premiums at;https://brainly.com/question/1191977
The color of your car is not a factor that affects your auto insurance premiums.
Option C is the correct answer.
What is auto insurance?Auto insurance premiums are calculated based on a variety of factors, including the year, make, and model of your car, where you live, your driving history, your age, and the overall value of your car.
We have,
Insurance companies use statistical models to assess the risk associated with insuring a particular driver and car, and these models take into account a wide range of factors that are known to impact accident rates and insurance claims.
However, the color of your car is not typically considered a significant factor in determining insurance premiums.
While some people believe that red cars or other bright colors may be more likely to get pulled over or be involved in accidents, there is little evidence to support this idea.
Insurance companies are more concerned with the make and model of your car, as well as other factors that are known to impact risk.
Thus,
The color of your car is not a factor that affects your auto insurance premiums.
Learn more about auto insurance here:
https://brainly.com/question/27302614
#SPJ5
The ratio of boys to girls in a class is 2:3. There are 30 students in the class. How many more girls than boys are there?
Answer:
boys: 12
girls: 18
Step-by-step explanation:
2+3=5
30/5=6
boys: 6*2=12
girls: 6*3=18
to be sure...
12+18=30
how do i evaluate p=2l+2w if l=5 and w =3
Answer: p = 16
Step-by-step explanation:
Replace the I with 5 and the W with 3.
2(5) + 2(3) = 10 + 6 = 16
Your team is in charge of games at the Amusement Park. One of the games involves a robotic arm that randomly grabs a stuffed animal out of a large bin. You need to set up the game so that the probability of a customer’s grabbing a teddy bear is exactly 1/2
a. how would you set up the bin? Explain.
B. What if you returned to check on the bin and found that there are 4 teddy bears left and 12 other animals? What could you add to or remove from the bin to return the probability of selecting a teddy bear to 1/2?
Answer:
a. I would put 20 stuffed animals in the bin, out of which 10 would be teddy bears.
So that the probability is 10/20 = 1/2
b. I could remove 8 other animals from 12 to have 4. So that the total number of stuffed animals is 8. 4/8 = 1/2
Step-by-step explanation:
a. Probability =
number of required outcomes / number of possible outcomes
If in the bin there are 10 teddy bears out of 20 stuffed animals,
Then the probability of picking a teddy bear = 10/20 = 1/2.
b. If on returning, there are 4 teddy bears and 12 other animals, I could simply remove 8 of the other animals to have 4 other animals and a total of 8 stuffed animals.
Probability = 4/8 = 1/2
chris has a collection of dimes and quarters worth $4.25. if she has 23 coins total, how many quarters does she have.
Answer:
b
Step-by-step explanation:
PLZZ HELPP I HAVE TO GO SOMEWHERE RN ASAP! (:
Which statement is true about the theory of plate tectonics and the theory of continental drift?
A. The theory of plate tectonics explains how continental movements could occur.
B. The theory of plate tectonics tells exactly where the continents were before Pangaea divided.
C. The theory of plate tectonics shows that continental movements could not have happened.
D. The theory of plate tectonics shows that Pangaea was impossible, but the continents did move.
pls complete it (picture)
Answer:
1. Perimeter: 26 Area: 30
2. Perimeter: 20 Area: 25
3. Perimeter: 38 Area: 144
Step-by-step explanation:
Perimeter you add all the sides and area you multiply length times height.
Evaluate 8-m/n+p^2when m=8,n=2,p=7
Answer:7 43/51
Step-by-step explanation:
The value of the given expression after the substitution method is 53 and this can be determined by using the arithmetic operations.
Given :
Expression -- [tex]8-\dfrac{m}{n}+p^2[/tex]
The following steps can be used in order to evaluate the given expression:
Step 1 - Write the given expression and equate it to a variable 'a'.
[tex]a = 8-\dfrac{m}{n}+p^2[/tex]
Step 2 - Now, substitute the values of m, n, and p in the above expression.
[tex]a=8-\dfrac{8}{2}+(7)^2[/tex]
Step 3 - Simplify the above expression.
[tex]a=8-4+49[/tex]
[tex]a = 53[/tex]
The value of the given expression after the substitution method is 53.
For more information, refer to the link given below:
https://brainly.com/question/25834626
The sums of _____ integers can be either positive or negative.
Answer:
positive and negative integers
(7TH GRADE LEVEL) Please complete Number 15 all parts.
Answer:
A - 12
B - 12
C - (-2)
D - (-24)
E - 2
F - (-4)
G - 12
H - (-64)
Hope this helps!
Ms. Cruz has a tank with 11 fish. After buying two more, she has 2 less than triple the amount of fish Ms. Montesinos has. How many fish does Ms. Montesinos have in her tank?
a) Write a let statement below to define your variable(s):
b) Set up an equation using the variable you defined in (a):
c) Solve your equation & Check. How many fish does Ms. Montesinos have? JUST TYPE THE NUMBER. EXAMPLE: IF SHE HAS 17 FISH JUST TYPE "17"
d) Upload a picture of your SOLUTION & CHECK.
plzz help mee
Answer:
a) Write a let statement below to define your variable(s):
Let the number of fishes Ms. Montesinos has be represented by = f
b) Set up an equation using the variable you defined in (a):
The equation is :
3f - 2 = 13
c) Solve your equation & Check. How many fish does Ms. Montesinos have?
Ms. Montesinos has 5 fishes
Step-by-step explanation:
Ms. Cruz has a tank with 11 fish. After buying two more, she has 2 less than triple the amount of fish Ms. Montesinos has. How many fish does Ms. Montesinos have in her tank?
a) Write a let statement below to define your variable(s):
Let the number of fishes Ms. Montesinos has be represented by = f
b) Set up an equation using the variable you defined in (a):
We are told in the question:
Ms. Cruz has a tank with 11 fish. After buying two more, she has 2 less than triple the amount of fish Ms. Montesinos has.
Therefore,
3× f - 2 = 11 + 2
The equation is :
3f - 2 = 13
c) Solve your equation & Check. How many fish does Ms. Montesinos have?
Solving the above equation:
3f - 2 = 13
3f = 13 + 2
3f = 15
Divide both sides by 3
3f/3 = 15/3
f = 5
Hence, Ms. Montesinos has 5 fishes
function
not a function
cannot tell from given representation
Answer:
it is because all the x values correspond to one number
Step-by-step explanation:
Which values or a,b,and,c correctly represent the answer in simplest form 3 1/2 divided by 2 1/4 = a b/c
Answer: 1 5/9
Step-by-step explanation:
Solve the equation.
p-13 over 14 = -3
Answer:
p = -29
Step-by-step explanation:
p-13/14 = -13
~Simplify
1/14p - 13/14 = -3
~Add 13/14 to both sides
1/14p = -29/14
~Multiply 14 to both sides
p = -29
Best of Luck!
How do you calculate slope using a graph?
Answer: Determine the difference in y- coordinates of these two points
Step-by-step explanation:
Can ΔTSR and ΔQRS be proven congruent by SAS?
yes, because along with the given information on the diagram, SR ≅ RS by the reflexive property
yes, because a reflection will map ΔTSR onto ΔQRS
yes, because P appears to be the midpoint of SQ and TR
no, because not enough is information given to prove the triangles congruent by SAS
Answer:
d. No, because not enough is information given to prove the triangles congruent by SAS
Step-by-step explanation:
It doesnt give u measures of some important angles. I also got it right
Answer:
D. no, because not enough is information given to prove the triangles congruent by SAS
Step-by-step explanation:
edge2021
can anyone help me please?
Answer:
There is not enough information to say.
Step-by-step explanation:
Even though they have two sides that are identical in length, the third side could be any number, based on the angles of the triangle. Since we do not know the angles, there is no way of knowing the length of the third side.
Answer:
A,yes they are congruent triangles because they have same shapes and also same numbers
Step-by-step explanation:
Hey can somebody plz help me with this question plz ?
Answer:
i think its 90 cuz they seem perpendicular