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lord [1]
3 years ago
9

What type of sampling is this: Group the students in a local college by year and then randomly select 15 students from each grou

p
Mathematics
1 answer:
Lina20 [59]3 years ago
4 0
This is symestic random u dont know who will be in every group its random
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What is the area of this parallelogram?<br><br><br> 28 m²<br><br> 56 m²<br><br> 84 m²<br><br> 120 m²
svetlana [45]

Answer:

84 m² is the correct answer.

Step-by-step explanation:

first, split the parallelogram into three shapes: the two triangles on either side of the shape, and the rectangle in the middle.

the formula for the area of a triangle is base x height / 2. all of the measures are indicated in the picture so that means that 4 x 7 / 2 = 14. since there are two triangles, add 14 + 14 = 28.

then, find the area of the rectangle. the area of a rectangle is length x width. 8 x 7 = 56.

56 + 28 = 84.

6 0
3 years ago
Pls help asap!!!! Explain how you got your answer
bagirrra123 [75]
3+2•6= 15 because 6•2=12 and 12+3=15 so you do 15/3 which equals 5 because you divide 15 by 3
3 0
3 years ago
The sum of a number and fourteen is at least three times the number
m_a_m_a [10]

Answer:

I think it's 28

Step-by-step explanation:

5 0
3 years ago
He deposits $4,500 in an account that pays 1.5% interest, compounded quarterly. What is his balance after 5 years?\
anygoal [31]

Answer:

His balance is $4,849.65 after 5 years

Step-by-step explanation:

A = P(1 + r/n)^nt

A = future value = ?

P = present value = $4,500

r = interest rate = 1.5% = 0.015

n = number of periods = 4

t = time = 5 years

A = P(1 + r/n)^nt

= 4,500(1 + 0.015/4)^4*5

= 4,500(1 + 0.00375)^20

= 4,500(1.00375)^20

= 4,500(1.0777)

= 4,849.65

A = $4,849.65

His balance is $4,849.65 after 5 years

6 0
3 years ago
PPPLEEASSSEREE<br> Add. What is the sum (2 x 10") + (7 x 101 ) in scientific notation?
pantera1 [17]

Answer:

Simplify the expression? Is it:   2 x 10 '' + 707 x   ....?

6 0
3 years ago
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