3 years ago

Help me pleaseeee I need it

Mathematics

2 answers:

Marta_Voda [28]3 years ago

4 0

4(2x5 + 3) - 4(2) + 2(5).

4(13) - 18.

52-18 = 34.

valentina_108 [34]3 years ago

3 0

C = 5 // r = 2

4(2c + 3) - 4r + 2c = ?
8c + 12 - 4r + 2c = ?
6c + 12 - 4r = ?
6(5) + 12 - 4(2) = ?
30 + 12 - 8 = 37

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Answer:

See explanation

Step-by-step explanation:

Given two expressions:

$2(s+0.5)+2(s+1.5)$

and

$4\left(\dfrac{1}{2}s+\dfrac{1}{4}s\right)+4$

a. When $s=0,$

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b. When $s=12,$

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and

$4\left(\dfrac{1}{2}s+\dfrac{1}{4}s\right)+4=4\left(\dfrac{1}{2}\cdot 12+\dfrac{1}{4}\cdot 12\right)+4=4(6+3)+4=4\cdot 9+4=36+6=40$

c. Since the value of both expressions at s = 12 are different, the expressions are not equivalent.

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