3 years ago

QUESTION 20 PLEASE HELPPPP ASAPPPP

1 answer:

4 0

Answer: x=-1, y=-8

Step-by-step explanation: solve for the first variable in one of the equations then subsitutte the result into the other equation

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levacccp [35]

Answer:

Yes, the right angle is angle C.

Step-by-step explanation:

The given triangle has vertices at A(–2, 3), B(–3, –6), and C(2, –1).

Recall the slope formula;

$m=\frac{y_2-y_1}{x_2-x_1}$

The slope of the line going through AC is

$m_{AC}=\frac{-1-3}{2--2}=-1$

The slope of the line going through BC s

$m_{AC}=\frac{-1--6}{2--3}=1$

The product of the slopes of AC and BC is $-1\times1=-1$

This means line AC is perpendicular to BC at C.

Hence the triangle ABC is right angled at C.

6 0

3 years ago

Tju [1.3M]

I suck at math to I’m so so sorry Ask a tutor they will help

6 0

4 years ago

svlad2 [7]

The answer is (False) that is not true

4 0

4 years ago

podryga [215]

1090/15
= 73 heartbeats per minute

hope it helps :)

4 0

3 years ago

hichkok12 [17]

As a decimal it would be 2.8

8 0

3 years ago