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scoray [572]
3 years ago
11

Find the number that makes the ratio equivalent 1:3 9:_

Mathematics
1 answer:
dimaraw [331]3 years ago
3 0

Answer:

27

Step-by-step explanation:

If the ratio is 1:3 multiply that by 9:9 so you effectively get 9:9x3 = 9:27. Or, you can say to yourself if B (3) is 3 times greater than A (1) then B is 3 times greater than 9. So 9x3 = 27

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The triangle below has a total perimeter of 450 cm:
Korvikt [17]
Equation: 450 = 128 + 150 + n

work:

1st step:
128+150 = 278

2nd step:
450-278 = 172

answer: 172

3rd step (checking) :
450 = 128 + 150 + 172
450 = 278 + 172
450 = 450

3 0
2 years ago
HELP I have attatched an image i will give extra points for best answer
Eduardwww [97]

Answer:

y = 2x

Step-by-step explanation:

Given y is directly proportional to x then the equation relating them is

y = kx ← k is the constant of proportion

To find k use the condition when x = 4, y = 8, that is

8 = 4k ( divide both sides by 4 )

2 = k, thus

y = 2x ← equation of proportion

5 0
3 years ago
5/12 + 2/3 <br> Please help
AnnZ [28]

Answer:

The answer is 1 and 1/12 you can’t simplify the problem but this is the answer

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
Let R={0, 1, 2, 3} be the range of h(x) = x - 7. The domain of h inverse is_____.
Alecsey [184]

Answer:

{-7,-6,-5,-4}

Step-by-step explanation:

5 0
3 years ago
What number is 6% of 30?
rosijanka [135]

so you would do 6/100 *30/1 wich is 90/50 as a pecent is 180 an move the decimal place 2 times

<u>ANSWER</u> 1.8


3 0
3 years ago
Read 2 more answers
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