Answer:
Here's what I get
Step-by-step explanation:
a. Write an equation
(8x + 12y)² + (6x + 9y)²= (10x + 15y)²
b. Transform the equation
(i) Remove parentheses
64x² +192xy + 144y² + 36x² + 108xy + 81 y² = 100x² +300xy + 225y²
(ii) Combine like terms.
100 x² + 300xy + 225y² = 100x² +300xy + 225y²
The two sides are the same.
The equation is an identity.
First, multiply each side by 5
6(x+1) = 25x-15
distribute the 6
6x+6=25x-15
put the x's on the same side and the other numbers on the opposite side
21=19x
Divide by 19 to isolate the x
21/19=x
Answer: Percentage of sales tax will be 5%.
Step-by-step explanation:
Since we have given that
Original amount of a surfboard = $240
Sales tax on a surfboard = $12
So, Percentage of sales tax will be
Hence, Percentage of sales tax will be 5%.
Answer:
Step-by-step explanation:
im sry if this is incorrect but this is all i could make out of it :(
Answer:
228 cubic centimeters
Step-by-step explanation:
Find the volume for the blue box: 8 x 1 x 6 = 48
Find the volume of the orange box: 6 x 6 x 5 = 180
48 + 180 = 228