3 years ago

Help me find “a” and “b” please!!

Mathematics

1 answer:

sattari [20]3 years ago

7 0

Answer:

36-A

9-B

Step-by-step explanation:

You might be interested in

The area of a square can be represented by the trinomial 9x^2 - 54x + 81. Which of the following is the length of one side of th

Mnenie [13.5K]

$Use\ (a-b)^2=a^2-2ab+b^2\\\\9x^2-54x+81=\underbrace{(3x)^2-2(3x)(9)+9^2}_{(*)}=(3x+9)^2\\\\\text{The formula of an area of a square with a side x:}\ A=x^2.\\\\\text{Therefore we have answer:}\ The\ length\ of\ side\ of\ the\ square\ is\ 3x+9.$

3 0

3 years ago

Jim’s allowance is $1.20 per week. Stan’s is 25¢ per day. How long will they have to

algol [13]

First, find out how much stan gets per week.

.25 x 7 =1.75

now how much they get together

1.75 + 1.20 = 2.95

and then the final step

23.60 / 2.95 = 8

it'll take 8 weeks for them to buy the model car set

7 0

3 years ago

Help me please I need to go to sleep

Alenkinab [10]

Answer:

the M is (2,5)

Step-by-step explanation:

3 0

3 years ago

Read 2 more answers

If EFGH is a rectangle what is FH

Flauer [41]