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4 years ago

ASAP WILL MARK BRAINLIEST!!!!!!!

Mathematics

2 answers:

mihalych1998 [28]4 years ago

7 0

Answer:14

Step-by-step explanation:

ivolga24 [154]4 years ago

6 0

Answer:

Step-by-step explanation:

We are mixing two acids.

x = liters of 20% acid solution

y = liters of 70% acid solution

x + y = 8 This represents the total number of liters

and

.2x + .7y = .5(8) This represents the concentration of the solutions

Since x+y=8, y = 8-x

We can use substitution.

.2x + .7(8-x) = 4

.2x + 5.6 - .7x = 4

Combining like terms

-0.5x = - 1.6

Dividing by -0.5

x = 3.2

There are 3.2 liters of the 20% solution to be mixed with 4.8 liters of the 70% solution.

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4 years ago

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Answer:

a. No

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Step-by-step explanation:

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4 years ago

Question content area top Part 1 A circular plate has circumference 33.9 inches. What is the area of this plate? Use 3.14 for p

aliya0001 [1]

Answer:

37.04 that's all about your answer

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2 years ago

Please answer right plss :(

Gre4nikov [31]

Answer:

1=23

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Step-by-step explanation:

I hope i helped

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3 years ago