3 years ago

(−9)² what is the answer

Mathematics

1 answer:

allsm [11]3 years ago

7 0

Answer:

-9*-9= 81

Step-by-step explanation:

You might be interested in

Solve for j.<br>-13j - 20 = -8j + 20

aleksley [76]

Answer:

j = -8

Step-by-step explanation:

-13j - 20 = -8j + 20

Add 13 j to each side

-13j+13j - 20 = -8j+13j + 20

-20 = 5j+20

subtract 20 from each side

-20-20 = 5j +20-20

-40 = 5j

Divide by 5

-40/5 = =5j/5

-8 =j

8 0

3 years ago

What are the roots of the equation? x^2+24=14×

defon

$\begin{gathered} x^2+24=14x \\ x^2-14x+24=0 \end{gathered}$

Therefore,

$\begin{gathered} x^2-14x+24=0 \\ x^2-2x-12x+24=0 \\ x(x-2)-12(x-2)=0 \\ (x-2)(x-12)=0 \\ x=2 \\ or\text{ } \\ x=12 \end{gathered}$

6 0

1 year ago

11/15 - 2/5 idk how to solve this I need help

Kaylis [27]

11/15-2/5
Multiply 2 and 5 to get a common denominator of 15
11/15-6/15
=4/15

6 0

3 years ago

Which set of angles are alternate interior angles

sweet-ann [11.9K]

Answer:

2&7

Step-by-step explanation:

5 0

3 years ago

Read 2 more answers

2(4y - 5) < - 2 please help

34kurt

Answer:

y < 1

Step-by-step explanation:

5 0

3 years ago

Read 2 more answers