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Natali5045456 [20]
3 years ago
5

Find the percent of increase from 12 pencils to 18 pencils.

Mathematics
1 answer:
nalin [4]3 years ago
7 0

18-12/12 *100

6/12*100

1/2*100

50%

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bearhunter [10]

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Step-by-step explanation:

Right angle = 90

90 - 47 = 43

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40/2 = 20

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Alvin is 11 years younger than Elga. The sum of their ages is 43. What is elgas age
Neporo4naja [7]

Answer:

16

Step-by-step explanation:

Lets assume x is Elgas' age

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x+y=43

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If the ratio of y to x is equal to 3 and the sum of y and x is 80, what is value of y
Rus_ich [418]

Answer:

y = 60

Step-by-step explanation:

<h3>Step 1: Make sense of the given</h3>

"The ratio of y to x is 3"

This means that, y\div x=3

"The sum of y and x is 80"

This means,  x+y=80

<h3>Step 2: Make use of the facts</h3>

If y\div x=3, then y = (3*x).

We can plug this into the other equation by substitution:

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<h3>Step 3: Plug and Chug</h3>

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y = (3 * (20))

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2 years ago
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Answer:

Step-by-step explanation:

Part A

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1947792

Part B

1 / (36C6)

0.000000513 or

0.0000005

3 0
3 years ago
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