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hram777 [196]
3 years ago
10

PLEASE HELP! I would really appreciate it!

Mathematics
1 answer:
andrezito [222]3 years ago
6 0
The awnser is C because there is a right angle which is 90 degrees then there is also a vertical angle of 118 degrees. There is also a supplementary angle of 70 degrees. When you add these angles you get 278 degrees which you subtract from 360 to find the last angle which is K and you get 82 degrees
You might be interested in
Victoria correctly determined the area of this parallelogram by adding the areas of the rectangle and triangles.
adoni [48]

Answer:

56 m²

16 m²

88 m²

Step-by-step explanation:

The formula for the area of a rectangle is:

A=L×W (area=length × width)

A=7×8

A=56m²

The formula for the area of triangle is:

1/2×b×h (1/2 × base × height)

A=1/2×4×8

A=2×8

A=16m²

For the total area you will now add the area of each shape. We will multiply triangle area by 2 because there is 2 triangles.

A=56+2(16)

A=56+32

A=88m²

6 0
3 years ago
A test consists of 20 problems and students are told to answer any 10 of these questions. In how many different ways can they ch
Furkat [3]
We must find UNIQUE combinations because choosing a,b,c,d... is the same as d,c,b,a...etc.  For this type of problem you use the "n choose k" formula...

n!/(k!(n-k)!), n=total number of choices available, k=number of choices made..

In this case:

20!/(10!(20-10)!)

20!/(10!*10!)

184756
3 0
3 years ago
Read 2 more answers
What facts about angles can you use to find the unknown angle measures?
ElenaW [278]
The sum of all three angles will always be 180 degrees.

6 0
3 years ago
3(4x+8)+3?<br> answer<br> this<br> question <br> please
Diano4ka-milaya [45]

Answer: 12x+27

Step-by-step explanation: 3*4=12 and 3*8=24 24+3=27 so simplyfy it and you would get 12x+27

5 0
3 years ago
1/2 + 1/3 - 1/4 = I don't know
larisa [96]
Use "PEMDAS"
First we'll add then subtract

\frac{1}{2} + \frac{1}{3} =  \frac{2}{6} +  \frac{2}{6} =  \frac{4}{6}= \frac{2}{3}

\frac{2}{3} -  \frac{1}{4} =  \frac{8}{12} -  \frac{3}{12} =  \frac{5}{12}

\frac{1}{2} +  \frac{1}{3} -  \frac{1}{4} =  \frac{5}{12}
3 0
3 years ago
Read 2 more answers
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