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Leno4ka [110]
3 years ago
10

ASAP WILL MARK BRAINLIEST!!!!!!!

Mathematics
2 answers:
mihalych1998 [28]3 years ago
7 0

Answer:14

Step-by-step explanation:

ivolga24 [154]3 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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Chance can wash the car in 2 hours, while Sandy can wash the same car in 4 hours. How many hours would it take for them to wash
san4es73 [151]
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Indicate below wether the equation in the box is true or false 6/12= 1/3
Hatshy [7]

Answer:

False

Step-by-step explanation:

6/12 simplifies into 1/2 (six is half of twelve) and 1/2 does not equal 1/3.

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8 0
1 year ago
Alternate interior angles. if you are good at that help ​
mamaluj [8]

Answer:

hi

Step-by-step explanation:

i think so,

(5x-54)⁰=(3x+16)⁰

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hope it helps

have a nice day

8 0
3 years ago
Read 2 more answers
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