2 years ago

For which of the following situations would a sample be used versus a population? Select all that apply.

Mathematics

1 answer:

muminat2 years ago

8 0

Answer:

Step-by-step explanation:

A biologist is interested in the average wingspan of hawks in the United States.

and

A researcher is interested in the average birth weight of newborn babies born in the United States.

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6.<br> The area of the book cover is 14 in.? and the length is 2} in. What is the width?

aleksley [76]

Answer:

the width is 7 inches

Step-by-step explanation:

A = l * w

14 = 2 * w

what does w equal?

14 / 2 = 7

2 * w / 2 = w

7 = w

4 0

2 years ago

Please help I will be very grateful for this

mixer [17]

Answer:

____________

the answer is B

___________

explanation

Factor out the greatest common factor from each group.

Group the first two terms and the last two terms.

(x^2 - 2x) - 3xy + 6y

Factor out the greatest common factor (GCF) from each group.

x(x - 2) - 3y (x - 2)

Factor the polynomial by factoring out the greatest common factor, x - 2

(x - 2) (x - 3y)

5 0

3 years ago

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In diagram below, ab and bc are tangent to o. what is the measure of abc.

hichkok12 [17]

Check the picture below.

5 0

2 years ago

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What's the sum of an infinite geometric series if the first term is 156 and the common ratio is 2∕3?

DENIUS [597]

Answer:

468

Step-by-step explanation:

Formula for infinite sum of geometric series is;

S_∞ = a1/(1 - r)

Where;

a1 is first term

r is common ratio

We are given;

a1 = 156

r = ⅔

Thus;

S_∞ = 156/(1 - ⅔)

S_∞ = 156/(⅓)

S_∞ = 468

4 0

2 years ago

Find the perimeter of rectangle PQRS with vertices P(0,0), Q(0,7), R(12,7) & S (12,0).

Andrews [41]

Check the picture below.

you can pretty much just count the units off the grid.

the perimeter is the length of all sides summed up.

7 0

2 years ago