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vladimir1956 [14]
2 years ago
10

Hellpppp pleaseeeee!!!!!!!

Mathematics
1 answer:
hjlf2 years ago
3 0

Answer: 3.14159265 rounded to the nearest tenth is 3.1

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PLEASE HELP ASAP!!!
Softa [21]
The correct answer is A because if you add 200 and 85 together to get the amount of money he has to have, and then divide that by 45, you get 13 weeks
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3 years ago
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Tammy bought 20 pounds of flour for $11.<br> How many pounds of flour did she get per dollar?
frozen [14]

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1.82 pounds per dollar

Step-by-step explanation:

20/11= 1.82

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If w=10, x=5, and y=6, what is the surface are of the figure?
Olin [163]

Answer:

hello!!!!

the answer is 280

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7 0
2 years ago
Expand and simplify 9a+3(8-2a).
olchik [2.2K]
Hi there

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3 0
3 years ago
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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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