danielahchf danielahchf

04-04-2019
Mathematics

contestada

What is the value of (j+3k)(5)?

j(x) = (x + 4)^2; k(x) = 8 - x

(j + 3k)(5) =

What is the value of j3k5 jx x 42 kx 8 x j 3k5 class=

Respuesta :

desperatesmile desperatesmile

04-04-2019

Step-by-step explanation:

J=(x+4)²

K=(8-x)

X=5

=J+3k

=(x+4)(x+4)+3(8-x)

=(x²+8x+16+24-3x)

=25+25+40

=90

Alternatively:

J=(5+4)²

J=81

K=8-5

K=3

J+3k

81+3(3)

81+9

90

Answer Link

Otras preguntas

pedro pushes a cart that has a mass of 50kg using approximately 150N of force. what rate is the cart accelerating A. 3 m/s2 B. .33 m/s2 C. 7,500 m/s2 D. 100 m/s

Is the following sentence true or false? A characteristic of rock is that each of the component minerals retains its properties in the mixture

What is a whole number that is closest to the square root of 111

what is the number between 145.809 and 144.809?

how did the invention of the light bulb change businesses

2. How long was the Homestead Strike?

Contrast and compare written sources of history from non-written sources of history .

Can someone tell me the answers This is math by the way

Anna spent $2.75 at the school store. she bought two erasers and some pencils

PLEASE HELP! I really need to know this asap! Thank you! Brainliest answer