amiyahalexis8 amiyahalexis8
  • 10-12-2020
  • Mathematics
contestada

a=4 5a+ 7a - 8 please help me

Respuesta :

Meyomo Meyomo
  • 10-12-2020

A=4

5a+7a-8

=5×4+7×4-8

=20+28-8

=40

So,the answer is 40.

Answer Link

Otras preguntas

In general, the constant that produces the smallest sum of squared deviations is always the sample average.A)TrueB)False
A STEM club had a bake sale and sold cookies and donuts. If they sold three times as many cookies as donuts, charged $2.50 per cookie and $4.00 per donut, and e
What is progressive wave?
Two solid spheres of same metal but of mass M and 8M fall simultaneously on a viscous liquid and their terminal velocitied are v and n v, then value of n isA. 1
Decide the stability of the system whose characteristic equation is given by s⁵ + 2s⁴ + 5s³ + 10s² + 4s + 8 = 0 a)Stable b)Unstable c)Oscillatory d)None of the
A parallel plate air-filled capacitor has a plate area of 10-4 m² and plate separation of 10-3 m. It is connected to a 2 V, 1. 8 GHz source. The magnitude of th
Pa answer po pls pls pls
The American Civil Liberties Union (ACLU) believes that a Texas defendant's Fourth Amendment rights against unreasonable search have been violated. The ACLU is
A student does a titration using sodium carbonate solution and nitric acid. The equation for the reaction is: Na2CO3 + 2 HNO3 ->>> 2 NaNO3 + CO2 + H2O
Research shows that parental behaviors have little to no impact on effects of sexual media content on their children. A) true B) false