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3 years ago

Choose the possible descriptions of cross sections formed by the intersection of a plane and a cylinder choose all that apply

Mathematics

1 answer:

nasty-shy [4]3 years ago

7 0

Answer:

circle and rectangle

Step-by-step explanation:

we know that

A cross section that is perpendicular to the base of cylinder is a rectangle

A cross section that is parallel to the base of cylinder is a circle

A cross section that is angled to the base of cylinder is an oval

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Rope is 5 meters long. It is cut into 8 equal parts. How long are each piece?

Murljashka [212]

Answer:

0.625m PLEASE GIVE BRAINLIEST

Step-by-step explanation:

5 ÷ 8 = 0.625

So.... each piece is 0.625m long.

4 0

3 years ago

Read 2 more answers

A square wrestling mat has a side length of (4x - 1) feet.

son4ous [18]

Answer:

$(4x-1)^2$

Step-by-step explanation:

Area of a square = $l^2$

If l = $(4x - 1)$ ,

Then area = $(4x - 1)^2$

HOPE THIS HELPS

7 0

3 years ago

The heights of young women follow a Normal distribution with a mean u = 64.5 inches and standard deviation o = 2.5 inches. The p

mash [69]

Answer:

The heights of young women follow a Normal distribution with a mean u = 64.5 inches and standard deviation o = 2.5 inches. The probability that the mean height of an SRS of 10 young women exceeds 66.5 inches is ＿

normalcdf(66.5, 99999999, 64.5, 2.5)

1 - normalcdf(66.5, 99999999, 64.5, 0.7906)

normalcdf(-99999999, 66.5, 64.5, 2.5)

normalcdf(66.5, 99999999, 64.5, 0.7906)

normalcdf(66.5, 99999999, 0, 1)

1 - normalcdf(66.5, 99999999, 64.5, 2.5)

1 - normalcdf(66.5, 99999999, 0, 1)

normalcdf(--99999999, 66.5, 64.5, 0.7906)

plz need help number 1 2 3 4 5 are pic

8 0

3 years ago

Hasan is painting a spherical model of a human cell for his science class. He uses 100π square inches of paint (in one coat) to

babymother [125]

Answer:

10 in

Step-by-step explanation:

So we want to consider the surface area of this sphere.

The formula for surface area of a sphere is $A=4 \pi r^2$ .

So we have that the surface area is $100 \pi$ .

So I'm going to replace $A$ in $A=4 \pi r^2$ with $100 \pi$ .

$100\pi=4\pi r^2$

Now our main objective here is to solve for $r$ :

Divide both sides by $4 \pi$ :

$\frac{100\pi}{4 \pi}=\frac{4\pi r^2}{4 \pi}$

This gets us $r^2$ by itself:

$25=r^2$

What number squared gives you 25? If you don't know, just take the square root of both sides giving you:

$\sqrt{25}=r$

Now you can just put $\sqrt{25}$ in your calculator. You should get 5.

5 is the radius

The diameter is twice the radius.

So 2(5) is 10, so the diameter is 10 in.

4 0

3 years ago

Read 2 more answers

The perimeter of regular octagon shaped swimming pool is 42 feet. What is the length of each side of the pool? a. 5 feet c. 5 fe

Virty [35]

A regular octagon means a polygon with eight equal sides.

Perimeter means the sum of all of the sides.

8s=42 divide both sides by 8

s=5.25 feet

and .25ft(12in/ft)=3in so each side of this octagon is:

5 ft 3 in

7 0

3 years ago