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2 years ago

Answer ASAP for 20 points Simplify the expression with NO exponents q^18 x q^-20

Mathematics

2 answers:

olga2289 [7]2 years ago

3 0

Answer:

7x+8

Step-by-step explanation:

Alja [10]2 years ago

3 0

Answer:

q18xq−20

q18x

q20

Step-by-step explanation:

Hope I helped

Brainliest plz

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In March Tom had -£165 in his bank account. In April he had -£156. In which month did he have the least amount of money in his a

Flura [38]

March = -165
April = -156

In march he is negative MORE money, meaning he has MORE money in April

This question is trying to confuse you, ussually the lowest number means less, but these numbers are negative, so the lowest number means more.
He has the least amount of money in March

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2 years ago

A)250cm =______ mm.<br>b)5000m = ____ km. <br>c) 200km =______cm.

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Answer:

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Step-by-step explanation:

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2 years ago

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The proportion of left handed people in the population is about 0.10. Suppose a random sample of 300 people is observed. (a) Wha

pantera1 [17]

Answer: $(\hat{p})\sim N(0.10,\ 0.017)$

Step-by-step explanation:

Sampling distribution of the sample proportion $(\hat{p})$ :

$(\hat{p})\sim N(p,\ \sqrt{\dfrac{p(1-p)}{n}})$

The sampling distribution of the sample proportion $(\hat{p})$ has mean = $\mu_{\hat{p}}=p$ and standard deviation = $\sigma_{\hat{p}}=\sqrt{\dfrac{p(1-p)}{n}}$ .

Given : The proportion of left handed people in the population is about 0.10.

i.e. p=0.10

sample size : n= 300

Then , the sampling distribution of the sample proportion $(\hat{p})$ will be :-

$(\hat{p})\sim N(0.10,\ \sqrt{\dfrac{0.10(1-0.10)}{300}})$

$(\hat{p})\sim N(0.10,\ \sqrt{0.0003})$

$(\hat{p})\sim N(0.10,\ 0.017)$ (approx)

Hence, the sampling distribution of the sample proportion $(\hat{p})$ is $(\hat{p})\sim N(0.10,\ 0.017)$

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2 years ago

An 118 inch board is cut into two pieces. one piece is 14 inches longer than the other piece find the length of each piece

IRINA_888 [86]

Step by step, 118-14=104, you would then divide 104 by 2 giving you 52, 52+14= 66, one piece is 66 inches while the other is 52 inches, adding them together would be 118

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3 years ago