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3 years ago

PLEASE HELP ASAP!!!!!!!!

Mathematics

1 answer:

Marat540 [252]3 years ago

6 0

Answer: If there are 3000 students at Pikeville College, then there should be 150 teachers.

3000/20=150

So there are 150 teachers if there are 3000 students.

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Four time a number r plus half a number s equals 12. Twice the number r plus one fourth of the numbers s equals 8. What are the

Snezhnost [94]

The system of equations have no solution.

Explanation:

The equations are $4r+\frac{1}{2}s=12$ and $2r+\frac{1}{4} s=8$

To find the two numbers, let us solve the equations using substitution method.

From the equation $2r+\frac{1}{4} s=8$ , let us determine the value of r,

$\begin{aligned} 2 r+\frac{1}{4} s &=8 \\ 2 r &=8-\frac{1}{4} s \\ r &=\frac{1}{2}\left(8-\frac{1}{4} s\right) \\ r &=4-\frac{1}{8} s \end{aligned}$

Let us substitute the value of r in $4r+\frac{1}{2}s=12$ , we get,

$\begin{aligned} 4\left(4-\frac{1}{8} s\right)+\frac{1}{2} s &=12 \\ 16-\frac{1}{2} s+\frac{1}{2} s &=12 \\ 16 &=12 \end{aligned}$

which is not possible.

This means that the system has no solution.

6 0

3 years ago

PLEASE HELP WILL GIVE BRAINLEST PLEASE HELP!!!!!!!!!!!!!!!!!!!!!!!!!

VLD [36.1K]

Step-by-step explanation: 29-8=21 so im guessing just subtract bc from Ac and that's your evidence maybe?

7 0

4 years ago

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What is y-2=-7/4(x-1)?

Debora [2.8K]

The answer is x=15/8

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3 years ago

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What's the probability you roll an even number on a number cube given that you've already rolled a 3?

lara [203]

Suppose you roll a red number cube and a blue number cube. What is the probability that you will roll a 5 on the red cube and a 1 or 2 on the blue cube?

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3 years ago

F to the second time F to the Third

miskamm [114]

Answer:

$F^{5}$

Step-by-step explanation:

$F^2 \times F^3 =$

$= F^{2+3}$

$= F^{5}$

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3 years ago

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