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

A. Most Victorian women were restricted to their homes. B. Victorian women were confined to domestic duties. C. Most Victorian women worked hard but were oft

What number comes next 100 96 104 88 120 56?

Geometry math question

Definition of parasitism

Answer questions 222 and 223.

DDT is: A.banned in the United States B.still being used in other countries C.to blame for the near extinction of some bird species D.all of the above

In an endothermic reaction, heat is absorbed from the surroundings. How does this affect entropy? A. The particles in the surroundings move slower and have dec

Find BC. Round to the nearest tenth. A. 19.1 B. 20.8 C. 23.1 D. 23.3

I need help answering these questions for the book Dark Water Rising!

HURRY PLS Fascism’s stress on the greatness of the nation may have appealed to Germans who were truggling with high inflation anxious to recover from the devast