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Ostrovityanka [42]
3 years ago
6

Select the pair(s) of ratios that form a proportion.

Mathematics
1 answer:
ryzh [129]3 years ago
5 0

Answer:

C is the only choice that forms a proportion

Step-by-step explanation:

a. 24/31, 20/27

(31 is prime)

b. 8/9, 24/36

(this one doesn't work since it would have to be 3/4) which isn't a proportion

c. 16/5, 64/20

(both 16/5  *4 = 64/20) so it works

d. 6/4 , 15/10

(similar situation to choice b the ratio wont work since 6 doesn't go into 15)

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Tax on a $12,985 car is 6%. What is the amount of tax?
denis23 [38]

Answer:

Step-by-step explanation:

to find % of any number we will devide number by 100 and multiply to which % we want:

12985/100*6=779.1

13764.1/100*6=825.846

908.95/100*6=54.537

14023.8/100*6=841.428

779.1/100*6=46.746

3 0
3 years ago
Read 2 more answers
Raymond ate three more pieces of fruit today than he did yesterday today he ate four pieces write an equation to find out how ma
stich3 [128]

Answer:

Raymond ate 1 piece of fruit yesterday.

Equation:

4 - 3 = 1

4 0
3 years ago
Answer the questions that aren't covered please? Thanks
Rom4ik [11]
Sorry but you can't see what the equations equal so we can't solve them! try retaking the picture? :)
3 0
4 years ago
4 of them were blue 1/6 of them were grape 1/4 of them were watermelon 1/3 of them were cherry 1/12 of them were sour apple how
Hitman42 [59]

Answer:

The girl had 24 candies in her bag.

Step-by-step explanation:

Since, regarding the girl's candies, 4 of them were blue, 1/6 of them were grape, 1/4 of them were watermelon, 1/3 of them were cherry and 1/12 of them were sour apple, to determine how many candies were in her bag, the following mathematical calculation should be performed:

1/6 + 1/4 + 1/3 + 1/12 = X

2/12 + 3/12 + 4/12 + 1/12 = X

10/12 = X

12/12 - 10/12 = 2/12

2/12 = 4

1/12 = 2

2 x 12 = 24

Thus, the girl had 24 candies in her bag.

7 0
3 years ago
How much would $150 invested at 8% interest compounded monthly be worth after 13 years? Round your answer to the nearest cent. h
dedylja [7]
Using that equation, our P = 150, r = .08, t = 13, and n = 12 (because there are 12 months in a year).  Filling in accordingly, we have  A(t)=150(1+ \frac{.08}{12})^{(12)(13)}.  Simplifying a bit we have  A(t)=150(1+.00666666)^{156}.  Doing the addition inside the parenthesis and then raising that number to the 156th power, we have A(t)=150(2.819469238).  Multiply those and get A(t) = $422.92
7 0
3 years ago
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