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3 years ago

What's the answer to this?

Mathematics

1 answer:

Marizza181 [45]3 years ago

5 0

Okay. first multiply 16*6*8. that's the volume of the prism that's standing. then do 16*16*4. that's the one on the left. now do 14*14*14. that's the one on the right. add all of them up and you should get 4,536 cm^3

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I can add fractions with unlike denominators. 2/5 + 3/10 =

slava [35]

Answer:

7/10

Step-by-step explanation:

2/5 multiply the denominator by 2 which will make it 10. Then multiply the numerator by 2 which will make it 4. So it will be 4/10. Then add 4/10 to 3/0 which makes 7/10.

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3 years ago

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Minchanka [31]

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70% of what number is 7

elixir [45]

Answer:

Step-by-step explanation:

if if 70% of it is = 7

then multiply 100 by 7 then divide it by 70

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3 years ago

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You can work at most 11 hours next week. You need to earn at least $60 to cover your weekly expenses. Your dog-walking job pays

pav-90 [236]

Answer:

$\left\{\begin{array}{l}c\ge 0\\ \\d\ge 0\\ \\c+d\le 11\\ \\9d+6c\ge 60\end{array}\right.$

2 possible solutions are c = 7, d = 3 and c = 8, d = 2

Step-by-step explanation:

Let d be the number of hours you walk dogs and c be the number of hours you wash cars. Note that $c\ge 0,\ d\ge 0.$

1. You can work at most 11 hours next week, so

$d+c\le 11$

2. Your dog-walking job pays $9 per hour, so for d hours you will earn $9d. Your job as a car wash attendant pays $6 per hour, then for c hours you will be paid $6c. In total, you will earn $(9d+6c) that must be at least $60.

So,

$9d+6c\ge 60$

3. You get following system of inequalities:

$\left\{\begin{array}{l}c\ge 0\\ \\d\ge 0\\ \\c+d\le 11\\ \\9d+6c\ge 60\end{array}\right.$

The diagram shows the solution set to the system of these inequalities.

2 possible solutions are c = 7, d = 3 and c = 8, d = 2

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3 years ago

1) vending machine a) albert presses D and bag of peanuts drops down.Bill presses D and a bag of peanuts drops down.b) albert pr

Kruka [31]

Answer:

This strange because the vending machine has diffrent foods in the same lane!

Step-by-step explanation:

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3 years ago