cristabean87 cristabean87

08-11-2021
Mathematics

contestada

A and B are vertical angles with mA= x and mB= 4x - 30.
What is mA?
Enter your answer in the box.

A and B are vertical angles with mA x and mB 4x 30 What is mA Enter your answer in the box class=

Respuesta :

sqdancefan sqdancefan

08-11-2021

9514 1404 393

Answer:

10°

Step-by-step explanation:

Vertical angles have the same measure, so ...

∠A = ∠B

x = 4x -30

30 = 3x . . . . . . . add 30-x to both sides

10 = x = ∠A . . . . divide by 3

The measure of ∠A is 10°.

Answer Link

Otras preguntas

Combine like terms: 1/4g+7+1/2g-8

The cities Gardenville, Jamestown; and River City, in respective order, lie approximately in a straight line. The distance from Gardenville to Jamestown is 76 m

33 1/3% less than $45

A sea turtle researcher is recording the number of new nest sites each night during the nesting season. He is interested in examining the center, shape, spread

What is the key tool for reducing industrial greenhouse gas emissions in the European Union? A. UNFCCC B. ISO C. GHG D. EUETS

determine the number of molecules contained in 1 mole of sodium sulfate

What defines endothermic reactions and exothermic reactions? Select all that apply.A) Endothermic reactions are chemical reactions that absorb energy from the s

Hurry please!!!!!!!! Which of the following BEST explains why Mami eventually gives up inventing? A. Mami's husband complains that she is becoming too Ame

The us congress is divided into two houses. The house representatives and the

a local specialty delivery service charges a fee of $7 for each delivery plus. 45 cents for each mile over 10 miles. what variables are appropriate?