murphyserenity21 murphyserenity21

02-03-2021
Mathematics

contestada

ANSWER PLSSSSSSSSSS
Angles B and C are supplementary. If m∠B = 2x - 40 and m∠C =2x + 20, how would you determine the measure of each angle?

Respuesta :

Pariss837 Pariss837

02-03-2021

Answer:

B=60 C=120

Step-by-step explanation:

Supplementary angles add up to 180.

so

2x-40+2×+20=180

4×-20=180

4×=200

×=50

B 2(50)-40=100-40=60

C 2(50)+20=100+20=120

Answer Link

Otras preguntas

What is formula in your own words?

3. Which statement best describes the Richter scale? A. It's a test given to all geologists. B. It's a numerical system that measures the smallest

what types of situations might be modeled with equations containing two or more variables ?

A triangle has an area of 288.6 square kilometers and a height of 26 kilometers. What is the length of the base?

Thinking about the areas of a Standard Normal Distribution, as z values decrease, do the areas to the left of z increase, or decrease?

Which of the following has a 5% interest rate for undergraduates with exceptional financial need? A. A private loan B. The Federal Perkins Loan C. The

The size of each interior angle of a regular polygon is 156 degrees. Work out the number of sides the polygon has.

please help show work 3√(125) -√(16) = ?

ABCD is a parallelogram. If BC is equal to x + 2 and AD is equal to 12, find x

Which characteristics of the neolithic revolution helped lead to the growth of early river valley civilizations? -the discovery of fire allowed people to cook