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Vera_Pavlovna [14]
2 years ago
10

Thanks in advance for your help ​

Mathematics
1 answer:
densk [106]2 years ago
7 0

Answer:

CA=P+2Q

Step-by-step explanation:

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Use the distributive property to write a new expression that is equivalent to this expression. 8 (-x -(1/2)
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-8x-4 is the answer using distributive property.

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Please help, will give brainlist
ladessa [460]

Answer:

x^{2}-2+\frac{20}{x+7}

Step-by-step explanation:

x + 7) x³ + 7x²- 2x + 6 ( x²- 2

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3 years ago
You need 250 mL of a 90% alcohol solution. On hand, you have a 75% alcohol mixture. How much of the 75% alcohol mixture and pure
stich3 [128]

9514 1404 393

Answer:

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Step-by-step explanation:

Let x represent the quantity (in mL) of pure alcohol needed for the mix. Then the amount of 75% needed is (250-x). The amount of alcohol in the mixture is ...

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You need 100 mL of the 75% solution and 150 mL of pure alcohol to obtain the desired mixture.

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8 0
3 years ago
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