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iogann1982 [59]
3 years ago
11

Please help with problems 2-6

Mathematics
1 answer:
Airida [17]3 years ago
4 0

Answer:

3. 20/20

4. 45/21

5. 7/14

6. 3 to 1

I hope this helps!

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Write a rational equation that relates the desired percentage to the amount of % acid solution that needs to be added to liter o
mart [117]

This question is incomplete

Complete Question

Write a rational equation that relates the desired percentage p, to the amount A of a 30% solution that needs to be added to 1 liter of 10% acid solution to make a blend that is p% acid, where 0<p<100 . What is a reasonable restriction on the set of possible values of ? Explain your answer.

Answer:

100(0.1 + 0.3A)= (1 + A) P

Step-by-step explanation:

A of a 30% solution that needs to be added to 1 liter of 10% acid solution to make a blend that is p% acid,

Hence,

10% of 1 + 30% of A = p%(1 + A)

0.10 + 0.3A = (p/100)(1 + A)

Divide both sides by 1 + A

0.1 + 0.3A/ 1 + A = p/100

Cross Multiply

100(0.1 + 0.3A) = 1 + A(p)

From the above calculation, we can see that, the blend that would be formed is not lower than 10% or greater than 30%

10% < p< 30%

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3 years ago
Please don't troll.. I am in desperate need of help, I will give brainliest.
nalin [4]

Answer:

A)

Step-by-step explanation:

-6x - 9/2

8 0
3 years ago
Read 2 more answers
If cba represents three numbers multiplied together, what property allows you to rearrange the factors to read abc?
QveST [7]
Commutative property of multiplication states that u can " commute " , move around the numbers and get the same result.
Example : 1 * 2 * 3 = 3 * 2 * 1...they still equal no matter what order u put them in.

so cba = abc by commutative property of multiplication
6 0
3 years ago
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