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Delvig [45]
3 years ago
7

If y=x^2 and x=(-8) then y =...

Mathematics
1 answer:
lutik1710 [3]3 years ago
7 0

Answer:

-64

Step-by-step explanation:

If

y=x^2

and the x represents -8

Your answer will be -64

By saying that x=(-8)   all you have to do is plug in the negative 8 to the original equation of y=x^2. This would make it   y=(-8)^2

When you plug in negative 8 to the second power into the calculator your answer will be -64

I hope this helps king!

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a cone has a volume of 1230.88 units cubed and a diameter of 14 units what is the height of the cone use 3.14 for pi
ANEK [815]

Answer:

h= 24

Step-by-step explanation:

v = \pi {r}^{2}  \frac{h}{3}

r =  \frac{d}{2}

r =  \frac{14}{2}

r= 7

1230.88=3.14×7^2×h/3

1230.88= 153.86h/3

h=1230.88/153.86

h= 24

7 0
2 years ago
a town has a population of 14000 and grows at 4.5% each year. to the nearest tenth of a year how long will it be until the popul
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Answer:

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2 years ago
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Answer:

4

Step-by-step explanation:


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2 years ago
Lucrecia is saving up money to buy a birthday present for her best friend. She has saved up 16% of the $40 she needs. How much m
choli [55]

Answer:

6.40 saved 33.60 needed

Step-by-step explanation:

She needs $40 *16% = $6.40

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3 years ago
What is the equation of the line that passes through the point (6,4) and has a slope of -2/3
Aleksandr [31]

Answer:

using the given points substitute it into the equation y=mx+c

therefore

y=4

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Step-by-step explanation:

y=mx+c

4=-2/3(6)+c

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c=4+4=8

therefore equation of the graph is y=-2/3X+8

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