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bazaltina [42]
2 years ago
7

Which number makes the statement true 12:30 = x:50 A) 30 B) 32 C) 35 D) 41

Mathematics
2 answers:
lora16 [44]2 years ago
6 0

Answer:

i think options are incorrect

x is 20 here

you can verify by putting value

Finger [1]2 years ago
4 0

Answer:

20

None of the answers shown are correct

Step-by-step explanation:

12 : 30 = x : 50

Handle as a proportion

12/30 = x/50

multiply both sides by 50

12/30 * 50 = x

20 = x

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storchak [24]
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8 0
3 years ago
Read 2 more answers
Three fourths a number plus 8 is 20 less than the number
VARVARA [1.3K]

Answer:

Equation:  \frac{3}{4}n+8=n-20

Solve for n:  n = 112

Step-by-step explanation:

To first set up the equation, you need to look at the verbal description and translate into numbers and operations:

'three fourths a number' =  \frac{3}{4} n

'plus 8' = + 8

'is' =

'20 less' = - 20

'the number' = n

Put the expressions together:

'three fourths a number plus 8':  \frac{3}{4}n+8

'20 less than the number': n - 20

Set them equal to each other and solve: \frac{3}{4}n+8=n-20

Add 20 to both sides: \frac{3}{4}n+8+20=n-20+20

Subtract \frac{3}{4}n from both sides: \frac{3}{4}n-\frac{3}{4}n+28=n-\frac{3}{4}n

Multiply both sides by \frac{4}{1}: \frac{4}{1}28=\frac{1}{4}n\frac{4}{1}

Solve for n:  n = 112

7 0
3 years ago
Why would a box and whisker plot be unequal?
bearhunter [10]
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that is obvious when the median lean to left or right while the maximum and minimum records are still as they are.
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Answer:

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Step-by-step explanation:

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19. Rick shared his bag of grapes withfriends. He gave /210of the bag to Melissaand /410 of the bag to Ryan. What fractionof the
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Rick started with 10/10 of the grapes because he had all of them at the start.

Then he gave 2/10 and 4/10 of the grapes away.

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3 years ago
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