15,17,19 are all odd numbers and add to 51
Answer:
1/4 of an hour, or 60/4=15, 15 minutes.
Step-by-step explanation:
24/1=6/x
cross product
1*6=24*x
6=24x
x=6/24
x=1/4
Which of the following is an irrational number?
A. π
Answer:
C
Step-by-step explanation:
Using the sine ratio in the right triangle.
sinC =
=
=
, thus
∠ C =
(
) ≈ 34.85° ( to 2 dec. places )
Step-by-step explanation:
First, find the vector.
= (4,2) - (-3,5)
= (4-(-3),2-5)
= (7,-3)
And then, find the distance.
= √(7² + (-3)²)
= √(49 + 9)
= √58 ✓