sukiamokami sukiamokami

15-01-2021
Mathematics

contestada

if m ∟n, solve for x. (x + 21) (3x + 9) giving brainliest

if m n solve for x x 21 3x 9 giving brainliest class=

Respuesta :

tylermiller1437 tylermiller1437

15-01-2021

Answer:

x=15

Step-by-step explanation:

Add the two equations together because there is a 90 degree angle. You can add the two to get :

4x+30=90

-30 from both sides

4x=60

Divide by 4 on both sides to get your answer!

x=15

Answer Link

Otras preguntas

Simplify (6 i)(8 − 3i).

The Union General who assumed command of the army during the last year of the war was ShermanGrantMcClellan.

Roger has a nail that is 12 centimeters long. He measures and records the length of the nail as 15 centimeters. What is the percent error in Roger's measurement

Simplify the expression 5(3u-4) +6

What precent does this change $16 to $4

whic decimal is equivalent to 5.05? 50.05 or 5.5 or 5.050 or 50.5

38% of what is 4 ?? explain please

Simplify 174 over 414

The founder of the "Young Italy" movement was A. Gioberti. B. Cavour. C. Mazzini. D. Garibaldi.

True or false, Englishmen became so disillusioned with the French Revolution that they eventually rejected all the goals and ideals it presented.