9. The coffee shop on the corner of the street has 14 cheese croissants and 21 plain croissants. If

1 answer:

7 0

The ratio will change because you will be buying some from what the ratio shows.

There are 14 cheese croissants and 21 plain ones, if you buy one of the cheese ones there will be 13 cheese croissants left which changes the ratio.

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Two regular polygons X and Y are such that the number of sides of X is

anyanavicka [17]

Based on the indices of the regular polygons, the number of sides that X has is 8. See the computation below.

<h3>What is the analysis for the above solution?</h3>

Assuming that X has G number of sides; and

Y has H number of sides, this means that:

G-H = 3 ...........1

Recall that the formula for the exterior angles is:

360/n; where n is number of sides

X = 360/G

Y = 360/H

(360/G) + (360/H) = 117°.......2

Solving 1 and 2 simultaneously, we obtain:

G= 8 and

H = 5

Thus, X has 8 sides.

Learn more about Polygons at:
brainly.com/question/1592456
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2 years ago

Students in an Introductory Statistics class at BYU-Idaho were studying prices of cold cereal at grocery stores in Rexburg. To g

Aleksandr-060686 [28]

Answer: Observational study

Step-by-step explanation:

The study illustrated in the question is an observational study. It is referred to as an observational study, because in this case, the price of the individual cereals us not being controlled by the students. They've no control over it.

If it was an experiment, there'll have been a control group and the students will have control over the price. Also, the sampling methods used here is a systematic random sampling.

8 0

3 years ago

Solve the equation for x

viktelen [127]

Easy and simple:::::

4(2x-3)=3+8x-11

Solve for x, i.e separate x in one side and the other terms in the other side

8x - 12 = 8x - 8
8x - 8x = -8 + 12

This equation has all real number as solutions.....infinite number of solutions

3 0

4 years ago

the diameter of a cone-shaped container is 4 inches, and its height is 6 inches .How much grater is the volume of a cylinder-sha

sveticcg [70]

The radius r used in below equations would equal 2in because it is half the given diameter of 4in.
The volume of the cone would be
$V = \frac{1}{3} \pi r^2h \\ \\ V = \frac{1}{3} \pi (2in)^2(6in) = 8 \pi\ in^3$

The volume of a cylinder with the same dimensions would be
$V = \pi r^2h \\ 
V = \pi (2in)^2(6in) = 24 \pi in^3$

The cylinder is 24 - 8 = 16 cubic inches greater.

3 0

3 years ago

Mark is draining his pool to clean it. At 12:00 P.M., he started to drain the pool. At 4:00 P.M., the pool had 11,600 gallons of

katrin2010 [14]

12:00 P.M. to 7:00 P.M. is a total of 7 hours.
4:00 P.M. to 7:00 P.M. is a total of 3 hours.

This means that from 4:00 p.m to 7:00 P.M. this represents 3/7 of what was lost from 12:00 P.M. to 7:00 P.M.

After knowing this, after doing 11,600 - 6,800 = 4,800
4,800 represents 3/7 of what was lost for 7 hours.
We then divide 4,800 by 3 which gets 1,600.

Because we know that 1,600 represents 1/7 of how much water was lost, we just have to multiply by 7, which gets 11,200. After adding 11,200 to how much water was left at 7:00 P.M. which was 6,800. 11,200 + 6,800 = 18,000

This means that the pool originally had 18,000 gallons in the pool.

You can also check your work by doing 18,000 - 4(1600), which becomes 1800 - 6400 which gets you 11,600.

6 0

3 years ago