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3 years ago

I need help with letter D

Mathematics

1 answer:

Ivahew [28]3 years ago

4 0

To find 1. all you have to do is 165/30 and you get $5.50. To find 2. you have to add 165+45 you get 210. then divide 210/40 and you get 5.25

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A magazine provided results from a poll of 1500 adults who were asked to identify their favorite pie. Among the 1500 respondent

igor_vitrenko [27]

<h2>Answer with explanation:</h2><h2></h2><h3>The confidence interval for population proportion is given by :_</h3>

$p\pm z_{\alpha/2}\sqrt{\dfrac{p(1-p)}{n}}$

Where : $\sqrt{\dfrac{p(1-p)}{n}}=E$ is the margin of error , n is the sample size , p is the sample proportion of success and $\alpha$ is the significance level.

Given : Confidence level : $0.99$

Then , Significance level : $\alpha: 1-0.99=0.01$

Sample size : $n= 1500$

Sample proportion of respondents chose chocolate pie: $p=0.12$

Margin of error : $E=\pm0.05$

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4 years ago

A rectangles width is 1/4 of its length. It’s area is 9 square units. The equation l(1/4l) =9 can be used to find l, the length

Zielflug [23.3K]

Answer: the answer is 6

Step-by-step explanation: because 6/4 = 1.5 and 1.5• 6 =9

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2 years ago

PLEASE HELP PLEASE I DONT KNOW THIS QUESTION AND IVE BEEN STUCK ON THIS FOR A DAY

7nadin3 [17]

A is -5 and B is 1 so yeah

8 0

2 years ago

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Natasha2012 [34]

Answer:

MY friend the anwser is A I hope this will help plz mark me brainliest

Step-by-step explanation:

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3 years ago

A triangle with sides 11m , 13m and 18m is a right triangle. A True B False

Julli [10]

$\bold{\huge{\pink{\underline{ Solution}}}}$

$\bold{\underline{ Given :-}}$

A triangle with sides 11m, 13m and 18m

$\bold{\underline{ To \: Find :-}}$

We have to check it whether it is right angled triangle or not?

$\bold{\underline{ Let's \: Begin :-}}$

$\sf{\red{ In \:right \:angled\ : triangle, }}$

According to the Pythagoras theorem, The sum of the squares of perpendicular height and the square of the base of the triangle is equal to the square of hypotenuse that is sum of the squares of two small sides equal to the square of longest side of the triangle.

We imply it in the given triangle ,

$\sf{\red{ ( Perpendicular)² + (Base)² = (Hypotenuse)²}}$