Answer:

Step-by-step explanation:
The range of a projectile is given by :

Put R = 20 m, u = 15 m/s and finding the value of angle of projection
So,

So, the required angle of projection is equal to
.
Answer:
A) -10x - 24
Step-by-step explanation:
1. To simplify this expression, we apply the distributive property.
Therefore, the answer is A) -10x - 24.
Answer:
(a) show all sides to be congruent
Step-by-step explanation:
Let's represent Aaron's age with x and
Charlene's age with x+8
x+x+8=44
2x+8=44
2x=44-8
2x=36
x=36÷2
x=18
Aaron is 18 years old.
While Charlene is 18+8=26 years old.
<em>Hope this </em><em>helps!</em>
<h3>The measure of angle y is 35.68 degrees</h3>
<em><u>Solution:</u></em>
Given that,
hypotenuse 12
Opposite 7
Find the measure of angle y
y is unknown and is between the hypotenuse and adjacent side
The figure is attached below
In a right triangle, the sine of the angle is the ratio of the side opposite to the angle to the hypotenuse
Therefore,

Thus measure of angle y is 35.68 degrees