The tree and the shadow make a right triangle with the tree height opposite the 68 degree angle:


Choice C
Answer:
A (3,-2)
Step-by-step explanation:
x = t-1
y = -sqrt(t)
Let t= 4
x = 4-1 = 3
t = -sqrt(4) = -2
The (x,y) coordinate is (3,-2)
$10.50 gets taken off the original price. I divided $42 by 4 because 25 is 1/4th of 100. This got me $10.50. The original price ($42) minus $10.50 equals $31.50. So the item sells for $31.50!!!!
Answer:
862.50
Step-by-step explanation:
First find the amount of increase
750 * 15%
750 *.15
112.50
Add this to the original amount
750+112.50
862.50
Answer:
6
Step-by-step explanation:
3x+6+5x+10=64
3x+5x+6+10=64
8x+16=64
8x=64-16
8x=48
divide both sides by 8
x=6