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inn [45]
3 years ago
7

2^3 rational or irrational

Mathematics
1 answer:
Lady bird [3.3K]3 years ago
3 0

I'm pretty sure it is rational.  Hope this helps!

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The results of a poll show that the percent of people who want a new restaurant is in the interval (62%, 88%)(62%, 88%) . There
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Required percentage = (0.62 x 109482, 0.88 x 109,482) = (67879, 96,344)
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3 years ago
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A parabola can be drawn given a focus of (−4,−10) and a directrix of y=−4. What can be said about the parabola?
ANEK [815]

Answer:

The answer to your question is: Yes a parabola can be drawn if we know the focus and the directrix.

Step-by-step explanation:

We can say that it is a vertical parabola that opens downwards.

We conclude that if we graph both the focus and the directrix. Also if we continue the process we can find the vertex (-4, -7) and p = 3.

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3 years ago
So yeah this is easy but my brain cell are not working proproly so....
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Answer:

-12

Step-by-step explanation:

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h = -18 + 6

h = -12

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3 years ago
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Multiply.<br> (5x + 4)(5x+4)
Nimfa-mama [501]

Answer:

25x^2+40x+16

Step-by-step explanation:

We have to distribute each term to the other terms.

Let's take the first 5x and multiply it by 5x and 4 in the second set of parentheses.

5x*5x+5x*4

25x^2+20x

Now we have to multiply the first 4 by, again, 5x and 4

4*5x+4*4

20x+16

Now we combine the two bolded expressions.

25x^2+20x+20x+16

Now we combine like terms

25x^2+40x+16

Hope this helps!

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3 years ago
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