An 80% confidence interval is (150, 170). What is the margin of error?

Mathematics

1 answer:

Viefleur [7K]3 years ago

5 0

Answer:

Step-by-step explanation:

it is what it is

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A rectangles length is 2 units more than twice its width.its area is 40 square units. the equation w(2w+2)=40 can be used to fin

Anestetic [448]

4 units is the width.
10 units is the length. If we put this in, we get (l*w) 10*4 for the area, which is 40 square units. This is a true statement. Also, 4*2 is 8, and 2 more units than 8 is 10 units.

4 0

4 years ago

Can anyone help me on this? also pls use step by step thank you

Lisa [10]

Answer:

1000 = 125 /65536

Step-by-step explanation:

Rewrite the expression using the negative exponent rule and then Raise

2 to the power of 21 . Cancel the common factor of 32. Combine 125 and 1 /65536

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3 years ago

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Solve each equation. 7(x+4)-6(x+3)=x+5

Gelneren [198K]

Answer:

7(x+4)-6(x+3)=x+5

or , 7x + 28 - ( 6x + 18 ) = x + 5

or , 7x + 28 - 6x - 18 = x + 5

or , x + 10 = x + 5

The equation is incorrect !!

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3 years ago

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On a circle of radius 5 feet, give the degree measure of the angle that would subtend an arc of length 1 feet. Round your answer

zmey [24]

Answer:

11.46°

Step-by-step explanation:

Let x be the angle that yields an arc length of 1 feet, if r= 5 feet, applying the circumference length equation and assuming that a full circumference has 360 degrees:

$1=\frac{x}{360}*2\pi r \\1=\frac{x}{360}*2\pi 5\\x=\frac{360}{2 \pi 5}=11.46^o$