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Darya [45]
2 years ago
11

Which expression is equal to (7 × 2) × 2?

Mathematics
2 answers:
Arturiano [62]2 years ago
4 0

Answer:

C

Step-by-step explanation:

this is the associative property, swapping two numbers in/out of the parenthesis, since its all multiplication it does not make any difference

Anvisha [2.4K]2 years ago
4 0

Answer:

c

Step-by-step explanation:

(7*2)*2 is 28

C=7*(2*2)=28

there the same equation :)

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OleMash [197]

Answer:

Step-by-step explanation:

4 0
3 years ago
Ali Clara and Shane raise money for new books for the school library all Ellie rays 20% more than Clara and $58 more than Shan C
Vikki [24]

Answer:

a. $435

b. 33.33%

Step-by-step explanation:

P.S - The exact question is -

Let Clara raised money = x

As given,

Ali raised 20% more than Clara

⇒Ali raised money =  x + \frac{20}{100}x = x + \frac{1}{5} x = \frac{6}{5}x

Also given,

Clara raised \frac{1}{4} times more than Shan

Clara raised money = Shan raise money + \frac{1}{4} times shan raired money

⇒Clara raised money = \frac{5}{4}  Shan raised money

⇒Shan raised money =  \frac{4}{5} times Clara

⇒Shan raised money = \frac{4}{5} x

As given,

Ali raised $58 more than shan

⇒\frac{6}{5}x = \frac{4}{5}x + 58

⇒\frac{6}{5}x -\frac{4}{5} x = 58

⇒\frac{2}{5}x = 58

⇒x = (29)(5) = $145

∴ we get

Clara raised money = x = $145

Ali raised money = \frac{6}{5}x = $174

Shan raised money =\frac{4}{5} x  = $116

a.)

Total raised money = $145 + 174 + 116 = $435

b.)

Percentage of money Clara raised = \frac{145}{435}×100% = \frac{1}{3}×100% = 33.33%

3 0
2 years ago
_________________ please help!!!!!!!
jeka94

Answer:

The answer would be C)5

Step-by-step explanation:

The unknown triangle is half of the size of the original triangle, The right side measurement basically hints to the actual answer.

5 0
3 years ago
Multiply (9x + 2) (2x - 3). What is the product?
garik1379 [7]

Answer:

18x^2-23x-6

Step-by-step explanation:

multiply: 9x*2x-9x*3+2*2x-2*3

18x^2-9X(3)3+2(2X)-2(3)

18X^2-27x+4x-6

18x^2-23x-6

7 0
3 years ago
Math question 2, thanks if you answer.
kirza4 [7]

Answer:

The answer is false and I hope this will help you

7 0
3 years ago
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