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vredina [299]
3 years ago
5

A copy machine makes 171 coies in 4 minutes and 45 seconds. How many copies does it make per minute?​

Mathematics
1 answer:
Jobisdone [24]3 years ago
3 0

Answer:

36

Step-by-step explanation:

171/(4+0.75) =36

you want it to be in minutes, so calculate the 45 seconds over 60 seconds, which is 0.75. Add that to the 4 minutes, and divide the total number of copies over the time used, and you have speed/minute.

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Irrational number between 2/7 and 3/7
e-lub [12.9K]

Answer: pi/8

Step-by-step explanation:

adding or multiplying an irrational by a rational will result in another irrational. So we could take something like pi and divide it until it’s between 2/7 and 3/7. I did that and apparently pi/8 works, so boom

6 0
2 years ago
Plzz helppp i don't understand​
vivado [14]

Answer:

40

Step-by-step explanation:

The denominators are 4, 5, and 8.

Write the prime factorizations:

4 = 2²

5 = 5

8 = 2³

To find the least common denominator, multiply the prime numbers with the highest exponents.

2³ × 5 = 40

6 0
3 years ago
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A survey of an athletic shoe store’s customers showed that 8% of the customers run every day. The store has approximately 1900 c
dem82 [27]
Find 8% of 1900.

0.08 * 1900 = 152

So 152 customers run every day.
7 0
3 years ago
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Alisiya [41]

Answer:

16+3x=22.75

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4 0
3 years ago
Which pair of triangles attempts to use SSA Congruence Postulate to prove the triangles congruent?
Aleks [24]

Answer:

the third boxes

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