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Elina [12.6K]
3 years ago
10

Determine the scale factor of the dilation, if OA = 7 and OA' = 21.

Mathematics
1 answer:
AURORKA [14]3 years ago
7 0

Answer:

i think its 3

Step-by-step explanation:

21/7=3

The second figure OA' divided by first figure OA = 21/7=3

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What’s the question?
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2 years ago
James earned $39,600 last year. He paid $11,250 towards rent and $1,422 in car payments. What percent of his earnings did Jon pa
tester [92]
Step 1:
Add rent & car payments

=11,250+1422
=$12,672

Step 2:
to determine %, set up a proportion
12,672 is to his total of 39,600 as x is to 100

12,672/39,600 = x/100
cross multiply
(12,672)(100) = (39,600)(x)
1,267,200= 39,600x
divide both sides by 39,600
32%= x

OR

Alternative Step 2:
12,672 ÷ 39,600= 0.32
Alternative Step 3:
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or move decimal to the right 2 places

His rent and car payments are 32% of his earnings.

Hope this helps! :)
5 0
3 years ago
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Conversion. Write a reduced fraction notation for 0.56.
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Answer:

Reduced fraction: 14/25

Step-by-step explanation:

To write 0.56 in terms of fractions we need to multiply and divide the number by 100:

(0.56 * 100)/100 = 56/100. Then we simplify the fraction by dividing the numerator and denominator by the common factor 2 as many times as possible:

56/100 = 28/50 = 14/25

The fraction 14/25 cannot be more simplified

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Order these fractions from least to greatest 24/9 5/9 15/9 15/9 9/9
Angelina_Jolie [31]
5/9, 9/9, 15/9, 15/9, 24/9. hope this helped.
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andreev551 [17]

9) They traveled 31.9 hours over the 3-day trip.

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6.64 + 5.75 = 12.39

5 0
2 years ago
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