preecy6386 preecy6386
  • 04-01-2021
  • Mathematics
contestada

The value of (3a – 4b + 2) × (5a + 6) for a = 1 and b = -2 is

Respuesta :

bajracharyacilvee
bajracharyacilvee bajracharyacilvee
  • 04-01-2021

Step-by-step explanation:

We know that

a=1 and b= -2

{3*1-4*(-2)+2} .{5*1+6}

= (13-11)

=2

Answer Link
fichoh
fichoh fichoh
  • 04-01-2021

Answer:

143

Step-by-step explanation:

(3a – 4b + 2) × (5a + 6)

a = 1 ; b = - 2

(3(1) – 4(-2) + 2) × (5(1) + 6)

Inputting the values of a and b

(3 - (-8) + 2) * (5 + 6)

(3 + 8 + 2) * (11)

13 * 11

= 143

Answer Link

Otras preguntas

If a bullet travels at 593.0 m/s, what is its speed in miles per hour?
Please help :)))))))))))
What order does the organ system of human body operate
please help ASAPA camcorder has a power rating of 16 watts. If the output voltage from its battery is 5 volts, what current does it use?
4-(3/4. 4/3) Math q
How to solve this problem
HELP ME PLZ I WILL GIVE 10 POINTS OR MORE
PLEASE HELP!!! Giving extra points to the best answers!! Heres the story: Excerpts of “Lynch Law in America” by Ida B. Wells Our country's national crime is lyn
a power plant is driven by the combustion of a complex fossil fuel having the formula C11H7S. Assume the air supply is composed of N2 and O2 with a molar ratio.
The specific heat of a certain type of metal is 0.128 j/(g·°c). what is the final temperature if 305 j of heat is added to 57.7 g of this metal initially at 20.