2 years ago

A) Find the critical numbers of

1 answer:

3 0

Pls help me. Show proof on why it’s that answer. Pls help me. Show proof on why it’s that answer. Pls help me. Show proof on why it’s that answer. Pls help me. Show proof on why it’s that answer.

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3 years ago

A cookie factory used 43.9 kilograms of chocolate chips to make 2 batches of cookies. How many kilograms of chocolate chips did

maxonik [38]

Answer:21.95

Step-by-step explanation:

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3 years ago

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Step-by-step explanation:

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3 years ago

Theresa Morgan, a chemist, has a 30% hydrochloric acid solution and a 50% hydrochloric acid solution. How many liters of each sh

Bogdan [553]

Let x represent the number of liters of 50% acid Theresa puts into the mix. The the number of liters of 30% acid will be (420-x). The total amount of acid in the final solution will be ...
0.50x + 0.30(420-x) = 0.45(420)
0.20x + 126 = 189 . . . . . . . . . . . . . . . simplify
0.20x = 63 . . . . . . . . . . . . . . . . . . . . . subtract 126
x = 63/0.20 = 315 . . . . . . . . . . . . . . . liters of 50% solution
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Theresa should mix ...
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3 years ago

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KonstantinChe [14]

Answer:

Step-by-step explanation:

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