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Sindrei [870]
3 years ago
5

Which is the equation of a parabola with vertex (0, 0), that opens to the right and has a focal width of 8? a.y^2=8x b.y^2=-8x c

. x^2=8y d. x^2=-8y
Mathematics
2 answers:
dem82 [27]3 years ago
8 0

Answer:

b

Step-by-step explanation:

masya89 [10]3 years ago
5 0

the answer would be 5
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Elena and her grandfather both just had birthdays last week. The sum of their ages is 100 years. Her grandfather’s age is 4 time
ZanzabumX [31]

Answer:

Grandfather age = 20 * 4 = 80

Step-by-step explanation:

Let Elena age be x

grandfather age is 4x

x + 4x = 100

5x = 100

x = 100/5 = 20 = Elena age

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3 years ago
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Step-by-step explanation:

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3 x 1.5 = 4.5 and positive, negative
3 0
2 years ago
The function h(t) = 300 – 16t represents the height of a ball (in feet) dropped from 300 feet after t seconds. What will be the
Vaselesa [24]
We are given the function expressed as:

<span>h(t) = 300 – 16t

where h is the height of the ball in time t.

We calculate the height at time equal to 2.4 seconds as follows:

</span>h(t) = 300 – 16(2.4)
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Hope this answers the question. Have a nice day.
4 0
3 years ago
Find the m please it’s due today . (-11,5) &amp; (2,-4)
d1i1m1o1n [39]

Answer:

m = \frac{-9}{13}

Step-by-step explanation:

I'm assuming by m, you mean the slope.

You have two points. (-11, 5) and (2, -4)

  • m = change in y-value ÷ change in x-value

1) Substitute in the points.

m = \frac{(-4)- 5}{2 - (-11)}

2) Solve.

  • -4 - 5 = -9
  • 2 - (-11) = 13

So, the slope would equal \frac{-9}{13}.

4 0
3 years ago
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