Abby1400 Abby1400

20-03-2017
Mathematics

contestada

whats the value of x?
(12x+12) + (3x+19) = 165

Respuesta :

Аноним Аноним

20-03-2017

for: (12x+12) * (3x+19) = 165
36x² + 228x + 36x + 228 = 165
36x² + 264x + 63 = 0

x₁= (-264 + 246) / 72 = -0.25
x₂= (-264 - 246) / 72 = -7.08

for: (12x + 12) + (3x + 19) = 165
12x + 12 + 3x + 19 = 165
15x + 31= 165
15x = 134
x = 8.9

Answer Link

Otras preguntas

What is religion in southern europe?

which happens during the alarm stage of stress response 1 increased blood pressure 2. fluid loss 3. blurred vision 4. cramping leg muscles.

How does science influence the Victorian era

For what purpose would an author use a sequence text structure?

a tv costs £300 he had to pay a deposit of 15%. How much did he pay?

A triangle has sides of lengths 8, 15, and 17. Is it a right triangle? Explain.

What is the correct descriptin for the translation of a to a? a(10, 3) - a'(1, 6)

_____ ________ los gatos negros. spanish 2 question, i thought it was me gustan but it says that that is wrong.

what is the first step in summarizing a plot

Which is a polar molecule?