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cestrela7 [59]
3 years ago
12

I need help with this​

Mathematics
1 answer:
Lorico [155]3 years ago
7 0

Answer:

14

Step-by-step explanation:

add

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A magazine publisher is informed that 72% of subscribers last year did not renew their subscriptions. This publisher wants to ra
aliya0001 [1]

Answer:

Sampling frame

Explanation:

A sampling frame is the source where the researcher draws his samples from. In other words, a sampling frame is like the population where the researcher gets samples for his investigation. In the above example, we are told the researcher wants to know why the 72% that subscribed last year didn't subscribe this year. He draws a sample of 8% from the 72% that he is trying to study, therefore the 72% are the sampling frame from where he gets his sample.

3 0
3 years ago
Hich value, when placed in the box, would result in a system of equations with infinitely many solutions?
Jobisdone [24]

The value placed in the box that makes the system of equation with infinitely many solution is 12.

<h3>How to solve an infinitely many solution equation?</h3>

An infinite solution has both sides equal. For example, 6x + 2y - 8 = 12x +4y - 16.  If we simplify the equation we will notice both sides are equal. This means the equation has an infinitely many solution.

Hence,

y = -2x + 4

Therefore,

6x + 3y = 12

divide the equation(ii) by 3

2x + y = 4

y = -2x + 4

Therefore, both equation are equal if the the box is filled with 12. This means for the value placed in the box that makes the system of equation with infinitely many solution is 12.

learn more on equation here: brainly.com/question/13116557

#SPJ1

5 0
2 years ago
I really need help on this question if anyone could help
miss Akunina [59]

Answer:

7986 square meter.

Step-by-step explanation:

Cut the composite shape into two shapes.

One rectangle and one triangle.

Rectangle area = 102×66 = 6732

A=lw

Triangle area = 66×(140-102)×1/2 = 1254

A=bh \times 1/2

Add the areas of the two shapes.

6732 + 1254 = 7986

8 0
3 years ago
Find the perimeter of a rectangle of A=2.76x10^12cm^2 and one side is 4.6x10^5
levacccp [35]

Answer:

1.292 x 10^7 cm^2

Step-by-step explanation:

Since the area of a rectangle is A = L x W and you are given the area and one side, you can rearrange this equation to solve for the other:

L=\frac{A}{W}\\L=\frac{2.76 \times 10^{12}}{4.6 \times 10^5}\\L = 6 \times 10^6

Therefore the length of the other side is 6 x 10^6.

The perimeter of a rectangle is P = 2L + 2W. We can solve that now that we have the length of the sides:

P = 2(6 \times 10^6) + 2(4.6 \times 10^5)\\P = 1.292 \times 10^7

4 0
4 years ago
Round 67 to the greatest place value
Vesna [10]
I believe it is 70! Sorry if it is incorrect
5 0
3 years ago
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