3 years ago

What's the midpoint of a line segment joining the points (5, –4) and (–13, 12)?

Mathematics

1 answer:

ELEN [110]3 years ago

3 0

The answer is A. (-4,4)

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PLEASE HELP!! for 20 points<br> What is the area of the<br> composite figure?

belka [17]

Answer:

Step-by-step explanation:

Break the shape into smaller shapes, then solve:

Large Rectangle -> 4x8=32

Tiny Rectangle at the bottom ->2x3=6

Triangle at top can be broken into two right triangles ->

(4x2)(1/2)=4

Add: 32+6+4+4=46

4 0

2 years ago

Use the distributive law and then simplify: (3x -2) (x +1)

jenyasd209 [6]

(3x-2)(x+1)
3x*x+3x-2x-2
3x^2+3x-2x-2
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I think this is the answer

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2 years ago

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Solve x^2 - 4 = 77.

Gennadij [26K]

Answer:

X = 9 or x = -9

Step-by-step explanation:

We want to solve the quadratic equation

${x}^{2} - 4 = 77$

We shall use the square root method

Let us add 4 to both sides to get:

${x}^{2} - 4 + 4 = 77 + 4$

${x}^{2} = 81$

We take square to get:

$x = \pm \sqrt{81}$

$x = \pm9$

The solution is x=9 or -9

5 0

3 years ago

9=4(s-3)<br><br> Help me what’s the correct answer?

kvv77 [185]

Answer:

s=5 1/4

Step-by-step explanation:

Have a wonderful day

3 0

3 years ago

29000 scientific notation

sukhopar [10]

2.9x10 to the third power is the scientific notation

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3 years ago

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