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gayaneshka [121]

2 years ago

6

If a seventh grader gets closer to the record-setting jump, then the seventh graders earn 100 points. If not, the eighth graders

earn 100 points. Which grade should be awarded 100 points?

2 answers:

Elan Coil [88]2 years ago

8 1

Answer:

Luke stop cheating

Step-by-step explanation:

OLEGan [10]2 years ago

6 0

Answer:

oop

Step-by-step explanation:

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A recent poll of 85 randomly selected cable subscribers found that 39% would be willing to pay extra for a new nature channel. T

adoni [48]

The mean is 85*0.39 = 33.15, while the standard error is sqrt(0.39*0.61/85) = 0.0529. Using the z-score of 1.96, the confidence interval is:33.15 +/- 1.96*0.0529 = (33.05, 33.25)By dividing by 85, this corresponds to a proportion of:(0.3888, 0.3912)

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2 years ago

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The formula for the volume V of a cylinder is V = πr2h, where r is the radius of the base and h is the height of the cylinder. S

lana [24]

Answer:

Part A) $h=V/(\pi r^{2})$

Part B) $h=4\ cm$

Step-by-step explanation:

Part A)

we have the formula of the volume of a cylinder

$V=\pi r^{2}h$

Solve for h

That means ----> isolate the variable h

Divide both side by πr²

$V/(\pi r^{2})=\pi r^{2}h/(\pi r^{2})$

Simplify

$V/(\pi r^{2})=h$

Rewrite

$h=V/(\pi r^{2})$

Part B) Find the height of a cylinder with a volume of 36π cm3 and a base with a radius of 3 cm

we have

$V=36\pi\ cm^3$

$r=3\ cm$

substitute in the formula and solve for h

$h=36\pi/(\pi 3^{2})$

$h=4\ cm$

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2 years ago

Drag the tiles to the boxes to form correct pairs. In the diagram, transversal t cuts across the parallel lines a and b. Match t

yarga [219]

Where are the type of answers for this question

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1 year ago

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Estimate how many 12 inch rulers will be about the same length as a bike

navik [9.2K]

Answer:

So that means length of the bike is approx 5.7 rulers.

Step-by-step explanation:

the question says to estimate how many 12-inch rulers will be about the same length as a bike. In other words we have to measure the length of bike by in terms of ruler like 3 ruler length or 5 rular length etc.

Type of bike is not mentioned so i'm going to use bicyle.

From internet I found that approx lenght of a bike ( bicycle) is = 68 inches.

Given that 1 ruler = 12 inches

So number of rulers that can fit into 68 inches can be found by dividing 68 by 12

68/12 = 5.7

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1 year ago

Barnes and Nobles buys a book for $14.25. They markup the price of the book by 35%.

murzikaleks [220]

Answer:

$19.24

Step-by-step explanation:

Take 14.25 times 1.35.

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2 years ago