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Romashka [77]
3 years ago
9

Solve the equation for Y. 4x-5y=9

Mathematics
1 answer:
Lesechka [4]3 years ago
5 0
This is asking you to rewrite the equation so that Y is alone on one side.

First, move the 4x to the other side:
4x - 5y - 4x = 9 - 4x -->
-5y = 9 - 4x

Divide both sides by -5 to get the Y alone:
-5y/-5 = (9-4x)/(-5) --> 
y = (9-4x)/(-5)

You could stop there, but some people like to make the right side look a little simpler. dividing by a negative number looks a little messy, so we rewrite the equation in a few steps. All the below are all the same thing, just written in a different way.
y = -(9-4x) / 5 -->
y = (-9+4x) / 5 -->
y = (4x - 9) / 5

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3 years ago
Two positive integers have a product of 200.
sattari [20]

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3 years ago
PLEASE HELP MATH QUESTION PIC BELOW
Vinil7 [7]

Answer:

∠MNP is your answer

Step-by-step explanation:

Note the angle and the order it is said. It is ∠ABC, which means the double line side, one curve line angle, and then triple line side.

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3 0
3 years ago
One number is 44 times a first number. a third number is 100 more than the first number. if the sum of the three numbers is 5385
svlad2 [7]

I take it that the actual total is 538. If it really is 538538 leave me a note.

Let the first number = x

Let the second # = 44x

Let the third # = 100x

Equation

x + 44x + 100x = 538 Add the left side. All terms are part of the total.

145x = 538 Div By 145

x = 538/145

x = 3.71

Check

First number = 3.71

Second # = 44*3.71 = 163.24

Third number = 100*3.71 = 371

Total these 3 numbers 537.95 The very tiny difference is due to rounding.

5 0
3 years ago
Carter and Sani each have the same number of marbles. Sani's little sister comes in and takes some of
Minchanka [31]

Answer:

The first answer is 14 marbles.

The second answer is 4 marbles.

Step-by-step explanation:

1. Add as many marbles needed to Carter's pile to match the amount of marbles with Sani's amount to get both amounts to be even.

2. The number of marbles you moved to Carter's pile to make both amounts even is the answer to the second question.

7 0
3 years ago
Read 2 more answers
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