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2 years ago

11

Jack reads for 25 minutes every night. If Jack continues to read the same amount of time each night how many minutes will he rea

d in three weeks

1 answer:

gogolik [260]2 years ago

5 0

Answer:

525 minutes

Step-by-step explanation:

3 weeks have 21 days

25 minutes per night is 25 * 21 minutes for 3 weeks = 525

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Eric buys two plants. One plant is 4 inches tall and grows 2 of an inch per week. Another plant is 3 inches tall and grows

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It’s Abe beacuse it grew 7 inch week and 4 tall 2 week.

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3 years ago

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The altitude of mt. makalu is 8485meters,find its heights in centimeter

ad-work [718]

Answer:

the answer is 848500 centimetres

Step-by-step explanation:

we have to multiply the value by 100.

hope it helps.

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2 years ago

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rank has a circular garden. The area of the garden is 100 ft2. What is the approximate distance from the edge of Frank’s garden

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It is given that the area of the circular garden = 100 $ft^2$

Area of circle with radius 'r' = $\pi r^2$

We have to determine the approximate distance from the edge of Frank’s garden to the center of the garden, that means we have to determine the radius of the circular garden.

Since, area of circular garden = 100

$\pi r^2 = 100$

$\frac{22}{7} \times r^2 = 100$

$r^2 = \frac{700}{22}$

$r^2 = 31.8$

$r = \sqrt{31.8}$

So, r = 5.6 ft

r = 6 ft (approximately)

Therefore, the approximate distance from the edge of Frank’s garden to the center of the garden is 6 ft.

So, Option A is the correct answer.

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2 years ago

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What are the hypotheses for testing to see if a correlation is statistically significant?

Andrew [12]

Answer:

Step-by-step explanation:

For testing of significance of correlation coefficient denoted by r, we create hypotheses in three ways

They are one tailed, two tailed. One tailed can be stated as right tailed and also left tailed.

The null hypothesis would normally be as r=0

Verbally we can say this there is no association between the dependent and independent variable (linear)

Against this alternate hypothesis is created as

either r not equal to 0

or r>0 or r<0

If r not equal to 0, we say two tailed hypothesis test

If r>0 is alternate hypothesis, it is right tailed test

If r<0 is alternate hypothesis, then it is left tailed test.

8 0

3 years ago

Help fast please!!!!!!!!

MArishka [77]

Step-by-step explanation:

The area is

${x}^{2} - 110x + 2800 \\ = {x}^{2} - 40x - 70x + 2800 \\ = x(x - 40) - 70(x - 40) \\ = (x - 40)(x - 70)$

Since the width is

$x - 40 \: (feet)$

Then, the length will be

$x - 70 \: (feet)$

4 0

2 years ago