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Anettt [7]
3 years ago
13

Please choose the ones that are true

Mathematics
1 answer:
Serhud [2]3 years ago
4 0

Answer:

Step-by-step explanation:

1 true

2 false

3true

4true

5true

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artcher [175]
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Two times the quantity of eight times a number plus two is equal to three the quantity of two times the same number minus seven
Effectus [21]

The unknown number is - 2.5

Let the number = n

The equation will be formed as follows;

  • eight times a number plus two = 8n + 2
  • Two times the quantity of eight times a number plus two = 2(8n + 2)
  • two times the same number minus seven = 2n - 7
  • three the quantity of two times the same number minus seven = 3(2n-7)

Our final equation becomes;

2(8n + 2) = 3(2n-7)

Simplify as follow, to determine the unknown number;

16n + 4 = 6n - 21

16n - 6n = -25

10n = -25

n = -2.5

Thus, the unknown number is - 2.5

Learn more here: brainly.com/question/13818690

7 0
3 years ago
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Answer:

5cm

Step-by-step explanation:

A=4πr2 =  100πcm2

r = 5

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3 years ago
Write an algebraic expression for the verbal expression: 10 less
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Answer:

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Step-by-step explanation:

10 less than the product of 5 and a number "a"

Product of 5 and "a": 5a

Therefore, 10 less than 5a is 5a-10

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3 years ago
(z^6/z)^2 QUICK ILL GIVE BRANLIEST
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Step-by-step explanation:

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