Answer:
I think it's 12.
Step-by-step explanation:
3(-2)^2 in a calculator give you 12
Answer:
x = 5 , y = 5
Step-by-step explanation:
Using the sine and cosine ratios in the right triangle and exact values.
sin30° =
, cos30° =
, then
sin30°=
=
=
( cross- multiply )
2x = 10 ( divide both sides by 2 )
x = 5
and
cos30° =
=
=
( cross- multiply )
2y = 10
( divide both sides by 2 )
y = 5
Answer:
<h2>10 inches</h2>
Step-by-step explanation:
Given the circumference= 30 in
we know that the formula for circumference is


The diameter is 2*r= 4.77*2=9.55 in
Approximately the diameter is 10 inches
Answer:
The answer is y=5
Step-by-step explanation:
9x=-18
x=-2
-2+9y=43
9y=45
y=5