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3 years ago

HELP PLEASE!!!

Mathematics

2 answers:

LenaWriter [7]3 years ago

8 0

Answer:

32?

Step-by-step explanation:

thats what i got...

wel3 years ago

5 0

32 is what i also got

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Alex and 3 of her friends went to their favorite pizza restaurant to celebrate. The total bill came to $24.80. Alex paid 30% of

ziro4ka [17]

$7.44
24.80(30%) = $7.44

5 0

4 years ago

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Given the height, h, and the volume v of a certain cylinder, alex uses the formula v ph r 5 !§ to compute its radius, r, to be 1

dmitriy555 [2]

We know that
volume of a cylinder=pi*r²*h
r=√[V/(pi*h)]
r=10 m

A second cylinder has
V2=V-----> volume of the second cylinder
h2=25*h----> height of the second cylinder
r2----> radius of the second cylinder
r2=√[V2/(pi*h2)]----> r2=√[V/(pi*25*h)]---> r2=(1/5)*√[V/(pi*h)

r2=(1/5)*10-----> r2=2 m

the answer is
the radius of the second cylinder is 2 m

7 0

3 years ago

6 program in 2 hours and 18 minutes which rate can he use

nadya68 [22]

Minutes. Because you cannot concert minutes to hours.

1 hour= 60 Minutes
2 hours= 120 Minutes

8 0

4 years ago

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A large number of applicants for admission to graduate study in business are given an aptitude test. Scores are normally distrib

DiKsa [7]

Answer:

The fraction or percentage of the applicants that we would expect to have a score of 400 or above is 77.34%

Step-by-step explanation:

Scores are normally distributed with a mean of 460 and a standard deviation of 80. For a value x, the associated z-score is computed as $z = \frac{x-460}{80}$ , therefore, the z-score for 400 is given by $z_{0} = (400-460)/80 = -0.75$ . To compute the fraction of the applicants that we would expect to have a score of 400 or above, we should compute the probability P(Z > -0.75) = 0.7734, i.e., the fraction or percentage of the applicants that we would expect to have a score of 400 or above is 77.34%

8 0

4 years ago

A pair of equations is shown below:

Margarita [4]

your question: 

A pair of equations is shown below:

y = 7x − 9

y = 3x − 1

Part A: In your own words, explain how you can solve the pair of equations graphically. Write the slope and y-intercept for each equation that you will plot on the graph to solve the equations. (6 points) YOU HAVE ALREADY ANSWERED

Part B: What is the solution to the pair of equations? (4 points)

answer: 

the solution to the pair of equations would be

(2,5)

how do we get this?

you put both equations in a desmos graphing calculator

hope this helps, have a great night :)

4 0

3 years ago