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2 years ago

Evaluate -2a + b for a = -7 and b =-5

Mathematics

2 answers:

brilliants [131]2 years ago

8 0

Answer:

Step-by-step explanation:

-2a + b

-2 (-7) + -5

14 + -5

expeople1 [14]2 years ago

5 0

Insert the variables values in to equation -2(-7)+-5
Simplify
14+(-5)
Which is just 14-5
Therefore the answer is
9

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Step-by-step explanation:

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3 years ago

16. Find the value of x*<br> 8. 2x-6<br><br> A 10 <br> B 7<br> C -7<br> D -10

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$2x - 6 = 8$

Add sides 6

$2x - 6 + 6 = 8 + 6$

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Divide sides by 2

$\frac{2x}{2} = \frac{14}{2} \\$

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The correct answer is (( B )) .

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2 years ago

Read 2 more answers

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Vanyuwa [196]

Step-by-step explanation:

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2 years ago

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jarptica [38.1K]

Answer:

The answer is

<h2> $\sqrt{349} \: \: units$ </h2>

Step-by-step explanation:

The distance between two points can be found by using the formula

where

(x1 , y1) and (x2 , y2) are the points

From the question the points are

(-7,-2) and (11,3)

The distance between the points is

We have the final answer as

<h3> $\sqrt{349} \: \: units$ </h3>

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