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mojhsa [17]
3 years ago
12

How do you solve a ratio problem?

Mathematics
2 answers:
xxTIMURxx [149]3 years ago
8 0
Set out the two numbers 3:6
Mulitply by ratio amount
Zielflug [23.3K]3 years ago
6 0

Answer:

Let's talk about ratios and proportions. When we talk about the speed of a car or an airplane we measure it in miles per hour. This is called a rate and is a type of ratio. A ratio is a way to compare two quantities by using division as in miles per hour where we compare miles and hours.

A ratio can be written in three different ways and all are read as "the ratio of x to y"

xtoy

x:y

xy

A proportion on the other hand is an equation that says that two ratios are equivalent. For instance if one package of cookie mix results in 20 cookies than that would be the same as to say that two packages will result in 40 cookies.

201=402

A proportion is read as "x is to y as z is to w"

xy=zwwherey,w≠0

If one number in a proportion is unknown you can find that number by solving the proportion.

Step-by-step explanation:

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densk [106]

Answer:

B. 2106 pi mm³

Step-by-step explanation:

the solution is attached,

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8 0
2 years ago
Read 2 more answers
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:
0.32 x 100 = 32%
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
Read 2 more answers
Choose the slope-intercept form of y + 3 = 4(x - 5).
Scrat [10]

Answer: y=4x-23

Step-by-step explanation:

First multiply the 4 on the right side to make it y+3=4x-20. Then subtract 3 on both sides to get y=4x-23

5 0
3 years ago
Read 2 more answers
What is the domain of the function f(x) = x + 2 ? a.    all real numbers greater         than -2 b.    all real numbers greater
dsp73
The domain of the function is represented by option C. All real numbers.
3 0
3 years ago
HELP ME WITH THIS! 1/3 a = 7/9
andreyandreev [35.5K]

Answer:

a = 2 \frac{1}{3}

Step-by-step explanation:

Given

\frac{1}{3} a = \frac{7}{9}

Multiply both sides by 9 ( the LCM of 3 and 9 ) to clear the fractions

3a = 7 ( divide both sides by 3 )

a = \frac{7}{3} = 2 \frac{1}{3}

6 0
3 years ago
Read 2 more answers
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