All categories

3 years ago

What is the pitch of the roof of a

Mathematics

1 answer:

Margaret [11]3 years ago

8 0

Rise

40 ft

Run

20 ft

Rafter length

44.72 ft

Roof pitch

63.43 deg

Roof pitch (%)

200 %

Roof pitch (x:12)

24:12

You might be interested in

A rectangular rug has a perimeter of 220 feet. The width of the rug is two feet less than the length. Find the length and the wi

Gekata [30.6K]

Answer:

The length is 56 and the width is 54.

Step-by-step explanation:

The perimeter of a rectangle is 2x+2y (width and length on both sides). so 2x+2y=220. Also x=y-2, because the width is 2 feet less than the length. Fill x=y-2 in 2x+2y=220 and we get 2(y-2)+2y=220. 2y-4+2y=220. 4y=216. y=54. Fill in y=54 in 2x+2y=220 and we get 2x+2(54)=220. 2x=220-2(54)=112. x=56.

7 0

3 years ago

A family has five members--a mom, a dad, two sisters, and a brother.The family lines up single file. What is the probability tha

I am Lyosha [343]

To find the probability that the mom is at the front of the line:

$\frac{number \: of \: favorable \: outcomes}{total \: outcomes} \\ = \frac{number \: of \: ways \: where \: mum \: is \: at \: the \: front \: of \: the \: line}{total \: number \: of \: ways} \\ = \frac{1c1 ×4! }{5!} \\ = \frac{24}{120} \\ = \frac{1}{5}$
Therefore the answer is 1/5.

Hope it helps!

6 0

3 years ago

A circle has a radius of 3. An Arc in this circle has a central angle of 20 degrees. What is the length of the arc?

Alex

Answer:

Step-by-step explanation:

L=®/3602πr

L=20/360×2×3.14×3

L=1.04

6 0

3 years ago

For each random variable defined here, describe the set of possible values for the variable, and state whether the variable is d

Alona [7]

Answer:

X is a discrete random variable.

X can take values from 0 to 12:

$X\in[0,1,2,3,4,5,6,7,8,9,10,11,12]$

Step-by-step explanation:

(a) X = the number of unbroken eggs in a randomly chosen standard egg carton

X is a discrete random variable.

The minimum amount of eggs broken is 0 and the maximum amount of eggs broken is 12 (assuming a dozen egg carton).

Then, X can take values from 0 to 12:

$X\in[0,1,2,3,4,5,6,7,8,9,10,11,12]$

About the probability ditribution nothing can be said, because there is no information about it (it can be a binomial, uniform or non-standard distribution).

5 0

3 years ago

∠1 and ∠2 are a linear pair. m∠1 = x - 29, and m∠2 = x + 61. Find the measure of each angle.

Oduvanchick [21]

So,

m<1=45, m<2=135

So the right answer is of option D.

Look at the attached picture

Hope it will help you

Good luck on your assignment

3 0

3 years ago