3 years ago

11. Sum of angle measures: 180°

Mathematics

1 answer:

shusha [124]3 years ago

7 0

Answer:

$given \: tha \: sum \: is = 180 \\ then \\ n + 4n + 40 = 180 \\ 5n + 40 = 180 \\ 5n = 180 - 40 \\ 5n = 140 \\ n = \frac{140}{5} = 28 \\ n = 28 \\ thank \: you$

You might be interested in

Which fraction is in the simplest form of 224/360?

barxatty [35]

28/35 which u can't go any further than this bc 35 isn't divisible by 2 nor is 28 divisible by 5

5 0

2 years ago

Write the equation of a line that is perpendicular y=2/3x+9

Alex_Xolod [135]

To create a line that is perpendicular to the one given, completely invert the slope.

y = -3/2x + 9

6 0

3 years ago

Read 2 more answers

Jessa bought 15 pieces of ribbon. Each piece of ribbon was 2.25 yards long. What is the total amount of ribbon Jessa bought? ent

algol [13]

Hello,

15 pieces of ribbon, each is 2.25 yards long.
15 x 2.25 = 33.75 yards of ribbon.

Hope this helped!

3 0

3 years ago

Read 2 more answers

Please answer correctly

pickupchik [31]

Answer:

Graph B

Step-by-step explanation:

the "x" and "y" represent $\frac{rise}{run}$

so therefore, it's $\frac{-2}{-2}$ , $\frac{-1}{-1}$ , $\frac{1}{1}$ , $\frac{2}{2}$

you would start at (0,0) or the origin

and count over one and up one, or however many units the fraction/chart tells you to count up

5 0

3 years ago

Leave your answer in terms of pi. Find the circumference.

Sedaia [141]

Answer:

$2\pi \: r \\ 2 \times \pi \times 7 \\ = 14\pi$

3 0

3 years ago