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jeka57 [31]
3 years ago
10

What is x2 – 6 = 16x + 30 rewritten in standard form, then factored?

Mathematics
1 answer:
kaheart [24]3 years ago
5 0

Answer:

Step-by-step explanation:

x^2-6=16x+30\\\mathrm{Subtract\:}30\mathrm{\:from\:both\:sides}\\x^2-6-30=16x+30-30\\Simplify\\x^2-36=16x\\\mathrm{Subtract\:}16x\mathrm{\:from\:both\:sides}\\x^2-36-16x=16x-16x\\\Simplify\\x^2-16x-36=0

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noname [10]

Answer:

3/4

Step-by-step explanation:

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7 0
3 years ago
The length of human pregnancies from conception to birth varies according to an approximately normal distribution with a mean of
Varvara68 [4.7K]

Answer:

A) 68.33%

B) (234, 298)

Step-by-step explanation:

We have that the mean is 266 days (m) and the standard deviation is 16 days (sd), so we are asked:

A. P (250 x < 282)

P ((x1 - m) / sd < x < (x2 - m) / sd)

P ((250 - 266) / 16 < x < (282 - 266) / 16)

P (- 1 < z < 1)

P (z < 1) - P (-1 < z)

If we look in the normal distribution table we have to:

P (-1 < z) = 0.1587

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replacing

0.8413 - 0.1587 = 0.6833

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B. We apply the experimental formula of 68-95-99.7

For middle 95% it is:

(m - 2 * sd, m + 2 * sd)

Thus,

m - 2 * sd <x <m + 2 * sd

we replace

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That is, the interval would be (234, 298)

6 0
2 years ago
How to solve -3+-8 this ??
umka21 [38]
The awnser would be -11. A minus and a minus creates a plus so it adds up to -11
3 0
2 years ago
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Answer:

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1 year ago
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