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8_murik_8 [283]
3 years ago
5

PQR is reflected over the x-axis. What are the coordinates of Q’?

Mathematics
2 answers:
xz_007 [3.2K]3 years ago
7 0

Answer:(D) (8,-2)

Step-by-step explanation:

Vlad [161]3 years ago
4 0

Answer:

(8,-2)

Explanation:

you reflect it over the x-axis

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The angles of a pentagon are x, x − 5 0 , x + 100 , 2x + 150and 2x + 300 . Find all the angles.
miv72 [106K]

Answer:

The interior angles are 70°,65°,80°,155° and 170°

Step-by-step explanation:

step 1

Find the sum of the interior angles of the pentagon

The sum is equal to

S=(n-2)*180°

where

n is the number of sides of polygon

n=5 (pentagon)

substitute

S=(5-2)*180°=540°

step 2

Find the value of x

Sum the given angles and equate to 540

x+(x-5)+(x+10)+(2x+15)+(2x+30)=540°

7x+50=540°

7x=490°

x=70°

step 3

Find all the angles

x=70°

(x-5)=(70-5)=65°

(x+10)=(70+10)=80°

(2x+15)=(2*70+15)=155°

(2x+30)=(2*70+30)=170°

8 0
3 years ago
Pleasssseeee!!!!!!!!!!!
777dan777 [17]

Answer:

h= the number 7 duh-

Step-by-step explanation:

7 0
2 years ago
What is the approximate value of sin B?
Jlenok [28]
The acronym for trigs is SOH CAH TOA
Sine means opposite divided by hypotenuse
So, let us find sine.
The opposie side is 16
The hypotenuse is 17.46
16/17.46
Use your calculator
The answer is ≈ 0.9164
6 0
3 years ago
Read 2 more answers
PLLLSSS ANSWER<br> how many terms in 7x+4+2x+3x+5
Serga [27]

Answer:

3(4x+3) or 12x + 9

Step-by-step explanation:

8 0
3 years ago
Is 2 a solution to the equation 1/2x-4=5?​
dusya [7]

9514 1404 393

Answer:

  no

Step-by-step explanation:

Put 2 where x is and see if you get a true statement.

  1/2(2) -4 = 5

  1 -4 = 5

  -3 = 5 . . . . . . False

2 is not a solution to the equation.

__

The solution is x=18.

6 0
3 years ago
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