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solong [7]
2 years ago
10

I need help FAST!!!! I need to factor out the GCF (greatest common factor).

Mathematics
1 answer:
Doss [256]2 years ago
3 0
Hi hope this helps you!

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Please include work!
geniusboy [140]

Answer:

x = ± 4

y = - 2

Step-by-step explanation:

y = 0.5x² - 10 ------------------------(I)

y = -x² + 14   ------------------------(II)

Substitute the y value in equation (II)

    0.5x² - 10  = -x² + 14           {Add x² to both sides}            

0.5x² + x² -10 = 14                  {combine like terms}

       1.5x² - 10 = 14                   {Add 10 to both sides}

               1.5x² = 14 + 10

                1.5x² = 24         {Divide both sides by 1.5}

               1.5x²/1.5 = 24/1.5

                       x² = 16

                      x = ±4

Substitute x = 4 in (I)

y = 0.5 * 4² - 10

 = 0.5*16 - 10

 = 8- 10

y = -2

Substitute x = -4 in (I)

y = 0.5 * (-4)² - 10

 = 0.5*16 - 10

 = 8- 10

y = -2

5 0
3 years ago
What is the sum of -5 and -5?<br> -10<br> 10<br> 0
Kipish [7]

Answer:

-10

Step-by-step explanation:

5 0
3 years ago
Help me please!!!!!!!!!!!!!!!!!!
Stella [2.4K]

Answer:

16/81

Step-by-step explanation:

(2/3)^4  = (2/3)*(2/3)*(2/3)*(2/3)

             = 16/81

4 0
2 years ago
A rectangular prism has a length of 414 in., a width of 3 in., and a height of 114 in. which expressions can be used to find the
rusak2 [61]

4 1/3 x 3 x 1 ¼

12 ¾ x 3 x 1 1/4

  Your lucky that I just had the question on a test and realized you didn't make it into fractions.



6 0
3 years ago
Read 2 more answers
When you convert from a large unit such as pounds or minutes to a smaller unit as ounces or seconds why do you use multiplicatio
Ronch [10]
Hope this helps:))))))

6 0
3 years ago
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