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Svetllana [295]
3 years ago
6

What is the percent of increase from 6 to 9? Write your answer using a percent sign (%)

Mathematics
2 answers:
vladimir1956 [14]3 years ago
7 0

Answer:

50% increase

Step-by-step explanation:

Neporo4naja [7]3 years ago
6 0

Answer:

<em>The percent of increase from 6 to 9 is 50%</em>

Step-by-step explanation:

<u>Percentages</u>

To calculate the percentage increase:

Work out the difference (increase) between the two numbers you are comparing.

Increase = New Number - Original Number.

Divide the increase by the original number and multiply the answer by 100.

We are required to find the percent increase from 6 to 9. Here: New number=9, Original number = 6

Increase = 9 - 6 = 3

Divide 3 by 6 and multiply the answer by 100:

3 / 6 * 100 = 50%

The percent of increase from 6 to 9 is 50%

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Tony took a math quiz last week. There were 80 problems on the quiz and Tony answered 70% of them correctly. How many problems d
Nutka1998 [239]

Answer:

56 problems

Step-by-step explanation:

So we already know that the answer is: 56. However, a good help is knowing how to obtain this answer from the data provided.

Tony's quiz had 80 questions

Tony correctly answered 70% of them.

We can always write a percentage amount as a ratio by dividing the amount by 100.

70\% = \frac{70}{100} = 0.7.

This means that for every 100 questions, tony will respond correctly 70.

So, if Toni did a questionnaire of n questions, the amount that will answer correctly is calculated by the following expression:

C = n*\frac{70}{100}

If n = 80 then:

C = 80 * \frac{70}{100}\\\\C = 56

7 0
3 years ago
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(10 points) Suppose you are rolling a fair die 600 times independently. Let X count the number of sixes that appear. (a) What ty
andrezito [222]

Answer:

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Step-by-step explanation:

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7 0
3 years ago
The sum of (3 - 5i) + (-2 + 8i) is
andreyandreev [35.5K]

Answer:

<em><u>Answer is below</u></em>

Step-by-step explanation:

<u><em>3−5i−2+8i</em></u>

<u><em>=1+3i</em></u>

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3 years ago
Simplify the expression below. (-5 × -4)÷(-3+5)​
ohaa [14]

Answer:

-10

Step-by-step explanation:

7 0
3 years ago
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The angles of a triangle are 80°, 2x + 2°, and 5x°.
Bezzdna [24]
The sum of interior of all angles in a triangle = 180
Given 3 angles = <span>80°, 2x + 2°, and 5x°
To find x:

</span><span>80°+  2x + 2 +  5x = 180
7x + 82 = 180
        7x = 98
          x = 14

answer
x = 14 </span>
5 0
4 years ago
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