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Sophie [7]
3 years ago
7

What is the answer to 2x10?

Mathematics
2 answers:
Murrr4er [49]3 years ago
6 0

Answer:

20

Step-by-step explanation:

AleksAgata [21]3 years ago
6 0

Answer: 21000000000000

Step-by-step explanation:

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What is the degree of polynomial blow? x^6+3-2x^2+4x^7-4x
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Step-by-step explanation:

hello :

the degree of polynomial is : 7

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Answer:

9

Step-by-step explanation:

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You need 660 mL of a 40% alcohol solution. On hand, you have 35% alcohol mixture. You also have a 95% alcohol mixture. How much
ozzi

Answer:

A. 605 mL of the 35% solution

B. 55 mL of the 95% solution

Step-by-step explanation:

It is given that, you need 660 mL of a 40% alcohol solution. On hand, you have 35% alcohol mixture. You also have a 95% alcohol mixture.

Let x and y be the amount of 35% alcohol solution and 95% alcohol solution (in mL) respectively.

So,

Amount equation: x+y=660        ...(1)

Alcohol equation : 0.35x+0.95y=0.40(660)\Rightarrow 0.35x+0.95y=264     ...(2)

On solving (1) and (2), we get

0.35(660-y)+0.95y=264

231-0.35y+0.95y=264

0.6y=264-231

y=\dfrac{33}{0.6}

y=55

Now, substitute y=55 in (1).

x+55=660  

x=660-55  

x=605  

Therefore, we need 605 mL of the 35% solution  and 55 mL of the 95% solution.

4 0
3 years ago
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