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Thepotemich [5.8K]
2 years ago
8

In a class of 40 students, 14 students wore blue jeans.

Mathematics
2 answers:
Zina [86]2 years ago
5 0

Answer: 14:26

Step-by-step explanation:

alexandr1967 [171]2 years ago
5 0

Answer:

25

Step-by-step explanation:

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A. Which reduction should she use so the picture fills as much of the frame as possible, without being too large?

Find the scale factor to get rom 7 1/3 inches to 5 1/3 inches:

5 1/3  / 7 1/3 = 0.7272

Now rewrite the fraction as decimals:

2/3 = 0.667

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5/9 = 0.555

The closest scale that would still fit the frame would be 2/3 because it is under 0.727.

B. How much extra space is there in the frame when she uses the reduction from Part A?

Multiply the original size by the scale factor to use:

7 1/3 x 2/3 = 4 8/9

Now subtract the scaled size from the original size:

7 1/3 – 4 8/9 = 2 4/9 inches extra

C. If she had a machine that could reduce by any amount, so that she could make the reduced picture fit in the frame exactly, what fraction would the reduction be?

Convert the scale from part A to a fraction:  

0.72 = 72/99 which reduces to 8/11

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3 years ago
A car loses 15% of its original value each year. After one year, a car has a value of $13,600. What is the original value of the
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X - 0.15x = 13600

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x = $16000
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3 years ago
A fuel pump filled a semitruck with 99 gallons of fuel in 11 minutes.
Paha777 [63]

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3 years ago
What is the minimum number of degrees that an equilateral triangle can be rotated before it carries onto itself?
mash [69]
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i hope i helped you
7 0
3 years ago
Read 2 more answers
Help me please! NO FILES! i will report :)
wolverine [178]

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