To solve a square root, get the ^2 on one side and the 81 on the other side.
add 81 to both sides.
c^2 = 81
to clear the power of 2, take the square root of both sides.
c = + - sqrt81
c = + - 9
c = 9 and c = -9
She will need 2 gallons for the whole room, 1/2 gallon for the remaining 1/4 of the room.
Answer:
1(top)- the last one
2- the first one
3(bottom)- the middle one
Step-by-step explanation:
trust me :)
Answer:The dimensions of the rectangle are 11 by 20.
The total area of the triangles is 110 square units.
The area of the parallelogram ABCD is 110 square units.
Step-by-step explanation:
I just took this for my homework.
Answer:
12
Step-by-step explanation:
They are the same angle so they must be equal.
So, x+5 = 2x-7
5+7 = 2x-x
12 = x
