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andreev551 [17]
3 years ago
5

Three boxes have a total weight of 510 pounds. box a weighs twice as much as box

Mathematics
1 answer:
soldi70 [24.7K]3 years ago
3 0
Work shown above! Box a is 240 lbs Box b is 120 and Box c is 150 lbs hope this helps c:

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A teacher had $57. 72 I’m his Checking’s account .He made a deposit of $209. 54 .Then he wrote a check for $72.00 and another ch
Brums [2.3K]
57.27 + 209.54 = 267.26
72.00 + 27.50 = 99.50
267.26 - 99.50 = 167.76
167.76 is the new balance in the checking account.
8 0
3 years ago
Each year lizzy e's school purchases students agenda books, which are sold in the school store.This year, the school purchased 3
notsponge [240]
In order to make back the money they spent ($1,137.50) plus $1500, they want to make 1137.5+1500=2637.5 $2,637.50 total. 

They want to make this amount by selling 350 agendas, so divide the amount they want to make by 350 to find the amount per book:
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I rounded the answer to the nearest hundredth because the hundredth is the smallest amount we have in USD (the penny.)
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5 0
3 years ago
Any suggestions or answers
Bad White [126]

Answer:

3m - 4

Step-by-step explanation:

Divide.

(15mn)/(5n) = 3m

(-20n)/(5n) = -4

3m - 4 is your answer.

~

7 0
3 years ago
What is the approximate area of a circle with a radius of 11 m?
Katarina [22]

Answer:

380.13

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area= (pi)x(r^2)

pi times r squared

8 0
3 years ago
Read 2 more answers
Using the technique in the model above, find the missing sides in this 30°-60°-90° right triangle.
ale4655 [162]
Umm..... according to what I know      <span> </span><span>The ratio of the sides of a 30°-60°-90° triangle are:
short leg : long leg : hypotenuse
1 : √3 : 2
</span><span> if the short leg is 7, the long leg is √3 times that:
Answer:
7√3 ≈ 12.12 inches  </span>
8 0
3 years ago
Read 2 more answers
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