Answer:
120 degrees
Step-by-step explanation:
You can just eyeball that it is greater than 90 degreees so it must be 120 degrees.
Answer:
casey's age is 7
Step-by-step explanation:
if his sister is 3 times as old as he is then she is older therefore you would devide.
21/3=7
It would be 8. To solve, look at it like this: 8-b=(-2). I would then look at a number line or create one if your not to sure of yourself. 8-8=0, and then 0-2=-2. 2+8=10 (the numbers you subtracted). So the answer is 10.
Answer:
x = -4
Step-by-step explanation:
EM = 5x
ET is half of EM so this statement is true: 5x = 2(3x + 2)
Solve for x.
5x = 2(3x +2)
Distribute 2.
5x = 6x + 4
Isolate x.
-x = 4
Divide -1 out.
x = -4
Answer:
A and B
Step-by-step explanation:
x²+6x+9=2
(x+3)^(2) =2
x= ±√2 -3
Therefore answer is A and B
