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eimsori [14]
3 years ago
8

Find the value of x?

Mathematics
1 answer:
LuckyWell [14K]3 years ago
5 0

Answer:

6.4

Step-by-step explanation:

Sorry for the sloppy writing, I hope this helps.

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PLEASE HELP I NEED HELP ASAP PLEASE
Diano4ka-milaya [45]

Answer:

y = -x² - x/22 + 6/11

Step-by-step explanation:

Standard form, is y = ax² + bx + c

We need to use standard form (though we could use vertex form, but it is easier to do standard form)

Substitute the x and y values that they give into y = ax² + bx + c

Because the parabola passes through...

(-4, 0), then 0 = (-4)²a + (-4)b + c

(3, 0), then 0 = 9a + 3b + c

(-8, -2), then -2 = 64a - 8b + c

So, we get this system:

16a − 4b + c = 0

9a + 3b + c = 0

64a − 8b + c = −2

Because you are learning about parabolas, I am assuming that you can solve a system, but the answers are:

a = -x²/22

b = -x/22

c = 6/11

So, the equation of the parabola is:

y = -x²/22 - x/22 + 6/11

I hope this helps! Feel free to ask any questions!

5 0
3 years ago
A building is 240 feet tall. On a scale drawing, 1/4 inch = 10 feet. What is the height of the building in the scale drawing?
gulaghasi [49]

Answer:

60 in = 240 ft

Step-by-step explanation:

240/4 = 60

—

15 x 4 = 60

9 x 4 = 36

60 x 4 = 240

13 x 4 = 52

5 0
3 years ago
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Find the range.<br><br>3 -9 7 -1 5 -4 2 ​
ikadub [295]

Answer: The range is 94.

Hope this helps

8 0
3 years ago
What is the denominator of the fraction 1/9?
tresset_1 [31]
The denominator is the bottom number it will be 9
4 0
3 years ago
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What is the sum
insens350 [35]

Answer:

use photo math lol

Step-by-step explanation:

4 0
3 years ago
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