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Semmy [17]
3 years ago
11

Which pair of ratios form a proportion? A) 7:11 and 35:44 B) 9:12 and 27:48 C) 11:7 and 33:21 D) 15:8 and 45:16

Mathematics
2 answers:
sasho [114]3 years ago
6 0
Im sure that it is A: 7:11 and 35:44
kotegsom [21]3 years ago
4 0
I believe A, if you divide 35 by 5 you get 7 and 44 by 4 and you get 11.
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Althea traveled 280 miles at a speed of 70 miles/hour. How much time did she take to cover this distance?
julsineya [31]

Answer:

4

Step-by-step explanation:

t = d/r

t = 280/70

t = 4 hours

6 0
3 years ago
Professor Brown has $275,000 on deposit with TIAA at the start of 2015 and receives 3.65% interest per year on his account. Inte
Mariulka [41]
Just gonna take a guess in case no one answers.

F(x) = .0365(x)275,000 + 275,000

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7 0
3 years ago
A car traveled 420 miles in 7 hours how many miles did it travel per hour?
podryga [215]

Answer:

60 Mile per hour

Step-by-step explanation:

Hello!

To find how far something travel in a span of time we divide the distance traveled by the time it took to travel that far

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Hope this Helps!

5 0
3 years ago
Read 2 more answers
Y = x + 2 <br> 5x - 4y = -3<br> Solving systems by equations
Karo-lina-s [1.5K]

Answer: x = 5, y = 7

Step-by-step explanation:

1. First, put the variables together/rearrange:

y - x = 2 & 5x - 4y = -3

2. Cancel out variable x by multiply the first equation by 5:

5y - 5x = 10 & 5x - 4y = -3

3. Add equations:

y = 7

4. Then determine x by plugging y back into the first equation y = x + 2:

x = 5

7 0
2 years ago
Jon’s weight loss for each week of the month is 4 lbs., 3.5 lbs. and 2 lbs. He gained 4.5 lbs. the last week. If Jon originally
nekit [7.7K]

Answer: 148 lbs

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i hope this helps :)

4 0
3 years ago
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