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Mila [183]
3 years ago
10

Use the intersect method to solve the equation. 50 FREE POINTS x^2-7= -x^2+1

Mathematics
2 answers:
KATRIN_1 [288]3 years ago
8 0

x=2,-2, I am not positive though

Yuri [45]3 years ago
5 0

Answer:

x=2,-2

Step-by-step explanation:

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Factor the exoression.<br> 36c^2- 25
Viefleur [7K]

Step-by-step explanation:

Simple

These both are squares so

36c2 - 25

6c - 5

3 0
3 years ago
two-thirds of the 27 students in the class had perfect attendance for the first half of the year. How many students had a perfec
DENIUS [597]

Answer:

18

Step-by-step explanation:

1/3 of 27 is 9 so 2/3 is 18

8 0
3 years ago
F(x)=2x^2+4x-16<br> g(x)=4x^2-16<br> Find (f/g)(x).
Nastasia [14]

Answer:

Step-by-step explanation:

(\frac{f}{g} )(x) = \frac{2x^{2} +4x-16}{4x^{2} -16}

2x²+4x -16 =  2(x²+2x-8); factor 2

                  = 2(x+4)(x-2) ;factor the quadratic equation

4x²-16  = 4(x²-4) ; factor 4

            =4(x²- 2²) ; rewrite 4 as 2²

           = 4(x-2)(x+2); now use the difference of two squares a²-b²=(a-b)(a+b)

so now we have:

(\frac{f}{g}) (x) = \frac{2(x+4)(x-2)}{4(x-2)(x+2)} ; simplify (x-2) from numerator and denominator

                                  and 2/4 as 1/2

(\frac{f}{g}) (x) = \frac{(x+4)}{2(x+2)}

8 0
3 years ago
What are all the numbers whose absolute value is 2? Please help!
frutty [35]

Answer:

-2 and 2. Because it is absolute value

Step-by-step explanation:

7 0
3 years ago
How long is the coastline of canada
netineya [11]
All you need to do is add 12383 and 113211 to get 125594
8 0
3 years ago
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