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3 years ago

If AB=48 and BC=22, then AC=?

Mathematics

2 answers:

Kazeer [188]3 years ago

7 0

Answer:

Step-by-step explanation:

If we have a line with points A, B and C, and the distance between AB is 48, and the distances between BC is 22, then the distance between AC will be the solution of adding 48+22.

(Distance AB) + (Distance BC) = (Distance AC)

48+22=70

So the answer is 70

alexandr1967 [171]3 years ago

4 0

If A, B and C are collinear, then

1) if B is between A and C:

AC = AB + BC

AC = 48 + 22 = 70

2) if C is between A and B:

AB = AC + BC

48 = AC + 22 |-22

AC = 26

3) if A is between B and C:

BC = AB + AC

22 = 48 + AC |-48

AC = - 26 < 0 FALSE

Answer:

if B is between A and C, then AC = 70

if C is between A and B, then AC = 26

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3 years ago

Is (–5, 0.5) a solution of this system? x – 4y = –7, 0.2x + 2y = 0 Substitute (–5, 0.5) into x – 4y = –7 to get . Substitute (–5

kaheart [24]

<u>ANSWER: </u>

(-5, 0.5) is the solution of given equation x – 4y = –7, 0.2x + 2y = 0.

<u>SOLUTION: </u>

Given, two equations are x – 4y = -7 → (1)

And 0.2x + 2y = 0 → (2)

We have to find whether (-5, 0.5) is a solution of given system or not.

For that, we have to solve the given two equations.

Before solving let us multiply equation (2) with 2 in order to get y terms cancelled. Such that, our process becomes easy.

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