2 years ago

Need help please would really be greatful

Mathematics

1 answer:

Rainbow [258]2 years ago

7 0

Answer:

122°

Step-by-step explanation:

The formula for finding the sum of all angles in a polygon is:

(n-2) * 180°

n is the number of angles

Here n = 7, so the sum of all angles is

(7-2) * 180° = 900°

x = 900 - 128 - 130 - 120 - 115 - 145 - 140 = 122°

Make me the brainliest ;)

You might be interested in

The formula I = PRT where I = Interest, P = principal, R = rate, and T = time is used to calculate the amount of simple interest

andre [41]

Answer:

Step-by-step explanation:

I=PRT

T=I/PR

6 0

2 years ago

What is the range of the function y = x2? all real numbers x ≥ 0 y ≥ 0

masya89 [10]

Answer:

Step-by-step explanation:

Todos los reales

4 0

2 years ago

6(x-2=4(x+3) what does x equal

Delicious77 [7]

Hey mate here is your answer.

➛ 6(x-2) = 4(x+3)

➛ 6x-12 = 4x + 12

➛ 6x - 4x = 12 + 12

➛ 2x = 24

➛ x = $\frac{24}{2}$

⛬ x = 12

4 0

3 years ago

Andrew calculates that 40 % 40% of 50 % 50% of x x is equal to 20 % 20% of 30 % 30% of y y, where x ≠ 0 x≠0. Which of the follow

Shtirlitz [24]

Answer:

Step-by-step explanation:

8 0

3 years ago

· A ball is dropped from a height of 256 feet. After it hits the ground, it rebounds to a height that is 75% of its previous max

Sliva [168]

Answer:

The answer is 192 ft. :D

Step-by-step explanation:

PLEASE mark me brainliest! :)

6 0

2 years ago