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irinina [24]
2 years ago
11

Thirteen is about what percent of 20

Mathematics
1 answer:
Alla [95]2 years ago
3 0
13 is what percent of 20? = 65.



13: 20*100 =

(13*100): 20 =

1300: 20 = 65



Percentage solution with steps:

Step 1: We make the assumption that 20 is 100% since it is our output value.

Step 2: We next represent the value we seek with $x$x​.

Step 3: From step 1, it follows that $100\%=20$100%=20​.

Step 4: In the same vein, $x\%=13$x%=13​.

Step 5: This gives us a pair of simple equations:

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Sholpan [36]

Answer:

Option D In step 4 Keith should have subtracted 5 from each side

Step-by-step explanation:

step 1

we have

f(x)=7x+5 -----> given

step 1 is correct

step 2

Change f(x) to y

y=7x+5

so

step 2 is correct

step 3

Exchange x for y and y for x

x=7y+5

so

step 3 is correct

step 4

Subtract 5 each side

x-5=7y+5-5

x-5=7y

<u><em>step 4 is not correct</em></u>

step 5

Divide by 7 each side

(x-5)/7=y

step 6

Change y to g(x)

(x-5)/7=g(x)

step 7

switch sides of the equation

g(x)=(x-5)/7

therefore

In step 4 Keith should have subtracted 5 from each side

5 0
3 years ago
Read 2 more answers
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ivolga24 [154]
Your answer will be H 170
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A bushel of apples weighs 42 pounds. There are 4 pecks in a bushel. It takes 2 pounds of apples to make one pie. How many pies c
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How many 1/4 cup servings are in 1­ 1/2 cups of yogurt?
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If you make both of the denominators the same this can be a lot simpler.

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