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DENIUS [597]
3 years ago
5

Could Someone give me a run down of how these problems are done? i used a calculator to get the answers but now i want to know h

ow to do these on my own

Mathematics
1 answer:
morpeh [17]3 years ago
5 0
It’s just the same as if there were no decimal point. but if there isn’t a number in the quotient on the left of the decimal like #15, then you just place a 0 and continue to the next dividend which is 50.

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kelly buys shoes with all the of her money. she only has $150. one pair of shoes is for her and they cost $40. the other 2 pairs
shusha [124]
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3 years ago
"Large Sample Proportion Problem. Surveys were conducted in multiple countries and respondents were asked if they felt political
melomori [17]

Answer: 0.0158

Step-by-step explanation:

Given : The data for the United States is that out of 1,000 sampled, 470 indicated yes, they felt political news was reported fairly.

According to the given information we have,

Sample size : n= 1000

Sample proportion: \hat{p}=\dfrac{470}{1000}=0.47

The standard error for proportion is given by :-

S.E.=\sqrt{\dfrac{\hat{p}(1-\hat{p})}{n}}

S.E.=\sqrt{\dfrac{0.47(1-0.47)}{1000}}

S.E.=\sqrt{0.0002491}

S.E.=0.0157829021412\approx0.0158

[Rounded to the nearest four decimal places.]

Hence, the standard error for the confidence interval = 0.0158

6 0
2 years ago
Can someone help me ?
Lapatulllka [165]

Answer:

A) 1/6

Step-by-step explanation:

Common Ration means you need to divide second term/first term, third term/2nd term

12/72 = 1/6

2/6 = 1/6

Therefore the common ratio is 1/6

3 0
3 years ago
What is the measurement of 2 and 11​
vagabundo [1.1K]

<2=40° <11=60°

Because <1 was 140°, 2 is 40°. 40°+80°=120°

180°-120°=60°

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I need your help pls
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