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kari74 [83]
3 years ago
5

Simplify the following: (9x - 7) - (5x + 10)

Mathematics
1 answer:
lianna [129]3 years ago
7 0
(9x - 7) - (5x + 10 )
2x - 15x
- 13x
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A survey found that 8 out of 10 parents approved of the new principal’s performance. If 4 parents name are chosen with replaceme
Natasha2012 [34]

Answer:

The probability is 0.044

Step-by-step explanation:

Step-by-step explanation:

Let p be the probability that the new principal’s performance is approved.

This is obtainable from the survey and it is 8/10 = 0.8

Let q be the probability that the new principal’s performance is disproved.

That will be;

1 - q = 1- 0.8 = 0.2

To calculate the probability that 14 parents names are chosen at random and they all

approve of the principal’s performance, we use the Bernoulli approximation of the binomial theorem.

That will be;

14C14 * p^14 * q^0

= 1 * 0.8^14 * 0.2^0

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3 years ago
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4

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3 years ago
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Ksivusya [100]
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Answer:

Stress sweat comes from nervous excitement. It usually hits you all at once. When something excites or scares you, your body releases stress hormones (adrenaline and cortisol).

Step-by-step explanation:

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3 years ago
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Step-by-step explanation:

equation of a line = y-y1=m(x-x1)

but we have to find the slope

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x2-x1. 3--3

<u>-12</u>

6

<u>-2</u>

1. =-2

y-5=-2(x-3)

y-5=-2x+6

y=-2x+6-5

y=2x+1

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3 years ago
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