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Zanzabum
2 years ago
10

The graph of the line x=-4 is a horizontal line

Mathematics
1 answer:
natita [175]2 years ago
5 0

Answer:

Yes

Step-by-step explanation:

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G solve the​ equation, and check the solution. R plus 7 equals 9r+7=9 the solution set is startset nothing endset . ​(type an in
xenn [34]
<h3>Given</h3>

... r + 7 = 9

<h3>Find</h3>

... r

<h3>Solution</h3>

Subtract 7 from both sides of the equation.

... r + 7 - 7 = 9 - 7

... r = 2 . . . . . . simplify

Expressed as a solution set, this may look like ...

... r ∈ {2}

_____

You probably had no trouble solving this in 2nd grade when it was shown to you in the form ...

__ + 7 = 9

7 0
3 years ago
Simplify (1 − cos x)(1 + cos x). (2 points)
Vadim26 [7]

Answer:

sin²x

Step-by-step explanation:

we have

(1 − cos x)(1 + cos x)=1-cos²x

Remember that

sin²x+cos²x=1 ------> i-cos²x=sin²x

therefore

(1 − cos x)(1 + cos x)=sin²x

4 0
3 years ago
Read 2 more answers
Solve the system of equations <br><br> y=2x+1<br> y=x^2+2x-8
Lemur [1.5K]

Answer:

(3,7) and (-3,-5)

Step-by-step explanation:

To solve the system of equations, graph both functions. The (x,y) point(s) where the functions intersect is the solution(s).

See attached picture.

7 0
3 years ago
How you find the answer
lozanna [386]

Answer:

cut up the shape

Step-by-step explanation:

if you are looking for area make the 18 yard a triangle so then you have a rectangle and add them together. try this for practice so you can do it on your own next time:)

6 0
3 years ago
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Ben has agreed to play fewer video games and spend more time studying. He has agreed to play less than 10 hours of video games e
Viefleur [7K]

Answer Ben plays video games for 1 1/2 hours per day for the 3 days

Step-by-step explanation:

He has (10 - 5 1/2) hours or 4 1/2 hours left to split evenly over the next 3 days.

Let D = #hours per day Ben plays, then

3D = 4 1/2

3D = 4.5

D = 4.5/3

D = 1.5

8 0
2 years ago
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