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mezya [45]
3 years ago
7

Find the value of each variable

Mathematics
2 answers:
ale4655 [162]3 years ago
4 0

31-12-2005 7th 578u75tvxy

mylen [45]3 years ago
3 0

Answer:

20. 4n+5+8n-5=180(linear pair)

12n=180

n=15

21. 9x-6=8.5x+2(can be seen from image)

9x-8.5x=2+6

0.5x=8

x=8/0.5

x=80/5

x=16

22. 4z+3z+6=90°(Complementary)

7z+6=90°

7z=84°

z=12°

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F(x)= x squared -3x + 2 divided by 3x squared + 9 x -12
VashaNatasha [74]

Answer:

=(x-2)/3(x+4)

Step-by-step explanation:

F(x)=x²-3x+2/3x²+9x-12

Using mid term break formula

=x²-2x-x+2/3(x²+3x-4)

=x(x-2)-1(x-2)/3(x²+4x-x-4)

=(x-2)(x-1)/3{x(x+4)-1(x+4)}

=(x-2)(x-1)/3(x-1)(x+4)

Cancelling (x-1)

We get

=(x-2)/3(x+4)

Hope it helps :)

6 0
3 years ago
What percent of 360 is 120 <br>no links​
lesya [120]

Answer:

33.33

Percentage Calculator: 120 is what percent of 360? = 33.33.

3 0
2 years ago
Which of the following correctly expresses the number below in scientific notation?
Dafna11 [192]
The answer is E. 7.09*10^5
6 0
3 years ago
What is the quotient of -10 and -5?
Andreyy89

Answer:

2.

Step-by-step explanation:

-10 divided by -5 is 2.  The two negatives cancel each other out.

5 0
3 years ago
What is the answer to this? will give brainiest. <br> −3 1 6÷−1 4 9 =
goblinko [34]

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Step-by-step explanation:

First off, a negative divided by a negative is positive, so you can rewrite the equation to 316/149. Then simplify to get your answer.

7 0
3 years ago
Read 2 more answers
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