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maw [93]
3 years ago
11

Which two ratios represent quantities that are proportional?​

Mathematics
1 answer:
MAVERICK [17]3 years ago
8 0

Answer:

  • D. 45/18 = 35/14

Step-by-step explanation:

<u>Lets simplify the ratios where possible and compare:</u>

  • A. 3/4 = 9/12 ≠ 5/12
  • B. 32/20 = 16/10 ≠ 22/10
  • C. 7/5 = 14/10 ≠ 14/9
  • D. 45/18  = 5/2 (divide by 9) and 35/14 = 5/2 (divide by 7)

The last two ratios represent proportional quantities

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The formula to find the amount is

A=P(1+r)^n

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r is the rate

n is the number of years

Then to find the interest we subtract principal from amount.

Interest = A - P

Here

P= 2200, r = 3% = 0.03 , n = 6 years

A = 2200 (1+0.03)^6=2626.92

Hence the interest earned = 2626.92-2200 = $426.92

Now if the total of $2200 was deposited in three banks then each account earns \frac{426.92}{3}= 142.31

Each account earns $142.31

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Answer:

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1.9 × 10^7 = 19,000,000

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a_sh-v [17]

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Step-by-step explanation:

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A gallon jug of milk is 3/4 full. After breakfast the jug is 1/12 full. Find the difference of the amounts before breakfast and
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8/12 because 3/4 is equal to 9/12 and there was 1/12 left so 8/12
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4 years ago
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3 • (5 + 4)2 - 42 =<br><br> A. 46<br> B. 227<br> C. 15<br> D. 345
Gnom [1K]
I hope this helps you



3.9^2-42



3.81-42



243-42


201
5 0
3 years ago
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