3 years ago

A cell phone company charges $42 per month of service. The cost of a new

Mathematics

1 answer:

Lorico [155]3 years ago

8 0

Answer:

it will cost $205.99 dollars

Step-by-step explanation:

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Consider line 7x+8y=6.

Nata [24]

Answer:

parallel line: -(7/8)

perpendicular line: (8/7)

7x + 8y = 6: y = (3/4) - (7x/8)

4 0

3 years ago

Which equations are true for x = –2 and x = 2? Check all that apply.

Katyanochek1 [597]

Hi Brainiac

x² - 4 = 0

Add 4 to both sides

x² - 4 + 4 = 0 + 4

x² = 4

Now take the square root

x= +/-√4

x= 2 or x= -2

The answer is A

I hope that's help :)

3 0

3 years ago

Help me do this! Pleaseeeeeeeeeeee

Mariulka [41]

Answer:

$p=12x-10$

Step-by-step explanation:

Perimeter is just adding all of the sides' lengths together, so we can put all of them into one big equation and then combine like terms.

$p=x+(2x+5)+(6x-17)+(3x+2)\\p=12x-10$

Hope this helps!

7 0

3 years ago

A 84-inch board is cut into two pieces. One piece is two times the length of the other. Find the

Contact [7]

Answer:

the short piece is 28 and the long piece is 56

Step-by-step explanation:

you can label the short piece x and the long piece as 2x

84= short (x)+ long (2x)

84=x+2x

84=3x

x=28

5 0

3 years ago

What is the answer for 5B=5B/4+60

maks197457 [2]

Answer:

the answer would be b=16

4 0

3 years ago