s11598000 s11598000

01-10-2020
Mathematics

contestada

∠A and∠B are vertical angles. If ∠A=(3x−21) ∘ and ∠B=(2x−13) ∘ , then find the value of x.

Respuesta :

wegnerkolmp2741o wegnerkolmp2741o

01-10-2020

Answer:

x=8

Step-by-step explanation:

Vertical angles are equal

<A = <B

3x-21 = 2x-13

Subtract 2x from each side

3x-2x-21 = 2x-13-2x

x-21 = -13

Add 21 to each side

x-21+21 = -13+21

x = 8

Answer Link

Otras preguntas

Helpppppp !!!!!!!!!!!

PLEASE HELP ME SOLVE THIS ITS AN EMERGENCY

A circuit contains four resistors connected in series. R1 is 100 , R2 is 200 , R3 is 240 , and R4 is 600 . What is the total circuit resistance?

Which detail best supports the idea that mrs Lennox is a silly self centered woman

Which of the following foods is the most nutrient dense? a. 4 oz French fries b. 4oz baked white potato C. 4 oz baked sweet potato d. 4 oz Potato chips

Which sentence is using an indicative verb? Do you like ice cream? The cat is grey. Get away from there! Would you like a cat?

My brother doesn’t understand his 6th grade work

what would the answer to this question be? show work please

climate of a tropical rainforest

To reduce laboratory costs, water samples from twotwo public swimming pools are combined for one test for the presence of bacteria. Further testing is done onl