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3 years ago

15

an arts academy requires there to be 3 teachers for every 75 students and 6 tutors for every 72 students. How many students does

the academy have per teacher?

1 answer:

Zinaida [17]3 years ago

5 0

Each teacher has 25 students. 75/3 would be 25. I hope this helped!

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HELP PLEASE 80 POINTS

alexgriva [62]

Answer:

x = 15/p
x = -3

Step-by-step explanation:

<h3>Given</h3>

4(px + 1)=64

<h3>Find</h3>

Solve for x
Find x when p = -5

<h3>Solution</h3>

4(px + 1) = 64
4(px + 1)/4 = 64/4
px + 1 = 16
px = 15
x = 15/p

<u>When p = -5, substitute p:</u>

x = 15/p
x = 15/(-5) = -3

4 0

3 years ago

Read 2 more answers

Please help im almost done

irga5000 [103]

Answer:

1/4

Step-by-step explanation:

the numerator is 12 because there are 12 possible outcomes. The numerator is 3 because there are 3 numbers in this set that are greater than 9. You get 3/12 which then simplifies to 1/4

8 0

3 years ago

What is √-11 in the form a+bi?

Mice21 [21]

Given:

The number is $\sqrt{-11}$ .

To find:

The a+bi form of given number.

Solution:

We have,

$\sqrt{-11}$

It can be written as

$\sqrt{-11}=\sqrt{-1\times 11}$

$\sqrt{-11}=\sqrt{-1}\times \sqrt{11}$ $[\because \sqrt{ab}=\sqrt{a}\sqrt{b}]$

$\sqrt{-11}=i\times \sqrt{11}$ $[\because \sqrt{-1}=i]$

$\sqrt{-11}=\sqrt{11}i$

Here, real part is missing. So, it can be taken as 0.

$\sqrt{-11}=0+\sqrt{11}i$

So, a = 0 and $b=\sqrt{11}$ .

Therefore, the a+bi form of given number is $0+\sqrt{11}i$ .

5 0

3 years ago

Zoya sells insurance. She earns $10,25/hour and 8% commission on all her sales. Last week

Vlad1618 [11]

Answer:

$523.39

Explanation:

10.25 x 35 hours= 358.75

2058 x 8/100 = 164.64

358.75 + 164.64 = 523.39

8 0

2 years ago

Not sure what the student did wrong here.

yanalaym [24]

There all correct ....

6 0

3 years ago

Read 2 more answers