The answer is 43.2 Hope this helps!
Answer:
ΔABD is similar to ΔCBD or ΔCDB by the SAS(side angle side)
I just dont know the last part
Step-by-step explanation:
Answer:
6,226 tiles of 9 in are needed to cover an area of 400 square feet
Step-by-step explanation:
Let
A -----> an area in square feet
t(A) ---> the total number of 9 in. tiles needed
we have
For A=400 ft^2
substitute in the equation and solve for t
That means -----> 6,226 tiles of 9 in are needed to cover an area of 400 square feet
She learned 3 songs in her 12 weeks of summer, so you want to start by dividing the 3 songs by 12 weeks:
3/12
simplify:
1/4
she learned 1/4 of a song each week, meaning the answer is D.
Answer:
x = 3
y = -2
Step-by-step explanation:
x + 2y + 1 = 0
2x - 3y - 12 = 0
Multiply first equation by -2.
-2x + -4y + -2 = 0
2x - 3y - 12 = 0
Add equations.
0x + -7y - 14 = 0
Solve for y.
-7y = 14
y =-2
Put y as -2 in the first equation and solve for x.
x+2(-2)+1=0
x + -4 + 1 = 0
x = 0 + 4 - 1
x = 3
