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3 years ago

(3x 8- 5²) + 8 A.7 B.-5

Mathematics

2 answers:

kati45 [8]3 years ago

6 0

Answer:

Step-by-step explanation:

A:7

nydimaria [60]3 years ago

4 0

Answer:

the answer is A:7

Step-by-step explanation:

dont feel like writing it but your welcome

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Which expression would be equivalent to: Which expression would be equivalent to: \frac{1+b}{2} - 3(a-1)

IrinaVladis [17]

Answer:

$\frac{1+b}{2} - 3(a-1) = \frac{b- 6a+7}{2}$

Step-by-step explanation:

Given

$\frac{1+b}{2} - 3(a-1)$

Required

An equivalent expression

$\frac{1+b}{2} - 3(a-1)$

Take LCM

$\frac{1+b}{2} - 3(a-1) = \frac{1+b- 2*3(a-1)}{2}$

$\frac{1+b}{2} - 3(a-1) = \frac{1+b- 6(a-1)}{2}$

Open bracket

$\frac{1+b}{2} - 3(a-1) = \frac{1+b- 6a+6}{2}$

Collect like terms

$\frac{1+b}{2} - 3(a-1) = \frac{b- 6a+6+1}{2}$

$\frac{1+b}{2} - 3(a-1) = \frac{b- 6a+7}{2}$

Hence, an equivalent expression is:

$\frac{b- 6a+7}{2}$

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3 years ago

There are 55 M&Ms in the holiday pack and they are all green or red. There are 20 green M&Ms and the rest are red. What

Ugo [173]

Answer:

35 : 55

Step-by-step explanation:

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3 years ago

Which statement justifies why ∠ABF measures 130°?

kozerog [31]

Answer:

A. A linear pair is two adjacent, supplementary angles.

Step-by-step explanation:

from the description,

< ABD = $50^{o}$ , so that;

< ABD + <DBC = $90^{o}$

$50^{o}$ + <DBC = $90^{o}$

<DBC = $90^{o}$ - $50^{o}$

= $40^{o}$

Thus,

<FBE = < ABD = $50^{o}$ (vertically opposite angles)

<ABF + <FBE = $180^{o}$ (supplementary angles)

<ABF + $50^{o}$ = $180^{o}$

<ABF = $180^{o}$ - $50^{o}$

= $130^{o}$

The statement that justifies why <ABF measures $130^{o}$ is a linear pair is two adjacent, supplementary angles.

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4 years ago

Marcus hired a car service to drive him to the airport. The bill came to $56.80. He gave the driver a 20% tip. How much money di

ella [17]

<span>$11.36- would be the correct answer, hope this helps. merry Christmas & Happy Holidays! =)</span>

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3 years ago

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