3 years ago

Determine the value of y, if x is – 7. y= x2 - 9

Mathematics

1 answer:

Lapatulllka [165]3 years ago

6 0

Answer:

y= -23

Step-by-step explanation:

You might be interested in

Write an<br> algebraic expression for:<br> the sum of a squared and 6

Darina [25.2K]

The answer is a² + 6. "Sum of a squared and 6" means you square a value and then add 6 to it.

8 0

3 years ago

Earl worked 18 hours last week. If he had earned $2.00 an hour more but had worked only 15 hours, he would have earned the same

ruslelena [56]

Answer:

B) $10.00

Step-by-step explanation:

10 × 18 = 180

10 + 2 = 12

12 × 15 = 180

3 0

3 years ago

Read 2 more answers

SOLVE THE EQUATION FOR Y

max2010maxim [7]

$(4)\ -6x + y = 11\ \ \ \Rightarrow\ \ \ y=6x+11\\\\(5)\ \ 8x + 2y = 10\ \ \ \Rightarrow\ \ \ 2y=-8x+10\ \ \ \Rightarrow\ \ \ y=-4x+5\\\\(6)\ \ 6x - 3y = -9\ \ \ \Rightarrow\ \ \ -3y=-6x-9\ \ \ \Rightarrow\ \ \ y=2x+3\\\\(7)\ \ -4x + 2y = 16\ \ \ \Rightarrow\ \ \ 2y=4x+16\ \ \ \Rightarrow\ \ \ y=2x+8\\\\
(8)\ \ 10x - 5y = 25\ \ \ \Rightarrow\ \ \ -5y=-10x+25\ \ \ \Rightarrow\ \ \ y=2x-5\\\\(9)\ \ 3x + 2y = -8\ \ \ \Rightarrow\ \ \ 2y=-3x-8\ \ \ \Rightarrow\ \ \ y=-1.5x-4
$

6 0

4 years ago

I need help with this

Ulleksa [173]

No, tahts the answer

8 0

3 years ago

Square root 8 to the nearest hundredth

yawa3891 [41]

Answer:

2.83

Step-by-step explanation:

just round to the nearest hundredth

5 0

3 years ago