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2 years ago

Please don't answer just for points!! this is for my semester grade!!!

Mathematics

2 answers:

julsineya [31]2 years ago

6 0

Answer:

x=11 and the number of solutions is one solution

Step-by-step explanation:

The square root of 121 is 11. There are no other solutions, I believe.

algol [13]2 years ago

4 0

Answer:

<h3>There is no other solution.</h3><h3 />

I hope this helped!! I made extra sure it's correct. :))

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A store donated a percentage of every sale to. The total sales were $6.740 so the store donated $337. What percent of $6,740

Irina-Kira [14]

Answer - 5%

6740=100%
337= x
Criss cross so do 100x337 and then divide by 6740 and you’ll get 5 which you can check by doing 5/100 of 6740

8 0

2 years ago

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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3 years ago

Of the animals at the shelter, 5/8 are cats. Of the cats 2/3 are kittens. What fraction of the animals at the shelter are kitten

timama [110]

Answer: 16/24

Step-by-step explanation: Find out a common denominator: 8,16,24 and 3,6,9,12,15,18,21,24. Which is 24.

Take 5/8 multiplied by 3 because its the 3rd multiple of 8. Which is 15/24.

Then, take 2/3 and multiply by 8 because its the 8th multiple of 3. This will give you 16/24.

Make sure to multiply both the top and bottom. :D

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2 years ago

What is the value of x in the equation 5/6x + (-1 1/3) = -1

irga5000 [103]

Solve for x by simplifying both sides of the equation, then isolating the variable.

Exact Form: x= 2/5

Decimal Form: x= 0.4

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2 years ago

A jacket has a regular price of $60. it is on sale for 10% off. the sales tax is 8%. what is the total cost of the jacket includ

Vanyuwa [196]

The answer is C. $58.32 :)

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3 years ago