MATHEMATICS HIGH SCHOOL

6a-5b=9 2a+5b=23 using the addition method

Answers

Answer 1
Answer:

Answer:

a = 4

b = 3

:))

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8x-9y=11 Solve for y.

Answers

8x-9y=11
-9y=-8x+11
9y=8x-11
y=8/9x-11/9
sorry, thats as simplified as it can get with 2 variables in the equation

Answer:

y = 8/9x + -11/9

Step By Step:

Let's solve for y.  8x−9y=11

Step 1:

Add -8x to both sides.  

8x−9y+−8x=11+−8x

−9y=−8x+11

Step 2:

Divide both sides by -9.

-9y/-9 = -8+11/-9

y = 8/9x + -11/9

Devin volunteers at Big Pup Rescue. He is mixing up shampoo solution for the dog washing station. He needs 2 cups of shampoo concentrate for every 9 cups of water. Devin will use 36 cups of water.How much shampoo concentrate should Devin add to the water to make the shampoo solution?

cups of shampoo concentrate

Answers

Answer:

8 Shampoo Concentrate

Step-by-step explanation:

There's a ratio of 9:2 so for every 9 cups of water there's two cups of shampoo concrete.

We'll need 9 multiplied by 4 is 36

so we need to multiply 2 with 4

4 multiplied by 2 is 8

Answer:

8. is the answer

Step-by-step explanation:

4.52=13.5m please help

Answers

Answer:

m ≈ 0.3348

Step-by-step explanation:

4.52 = 13.5m

m ≈ 0.3348

4/3 x −4 = 5 + x Help me please!A) 0.5
B) 2
C) 18
D) 27

Answers

Answer:

The answer is D.

Step-by-step explanation:

4/3 x - 4 = 5 + x

4/3 x = 9 +x

1/3 x = 9

x = 27
D) 27

4/3(27) - 4 = 32
27 + 5 = 32

What is 95 percent of 240

Answers

228. Hope it helps :)
228 is the correct answer

Evaluate 25-5e + 3g/f when e = 4 f = 3 and g = 10

Answers

15. 

Make sure to follow the order of operations. 
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