I will get you started.
Let sin x = u
Then 7sin^2x -14sinx+2=-5 become
7u^2 - 14u = - 5
7u^2 - 14u + 5 = 0
Steps:
1. Solve for u.
2. Back- substitute for u.
3. Take the arcsin on both sides to find the angle(s).
You finish.
P + 7 / 12 = 3
x12 x12
p + 7 = 36
-7 -7
p = 29
Answer:
$7.47
Step-by-step explanation:
Take the number of pounds and multiply by the price per pound
3 * 2.49
7.47 for 3 pounds of apples
Answer:
Rewriting the equation in the form (x+c)²=d by completing the square
The solutions to the quadratic equation are:
Step-by-step explanation:
Given the equation
subtract 22 from both sides
simplify
Rewriting the equation in the form (x+c)²=d by completing the square
solve
also solving
Therefore, the solutions to the quadratic equation are: