5.4 cm on map represents 270 m
5.4 cm on map represents 27000 cm
1 cm on map represents 27000/5.4 = 5000 cm
= 50m
How long must $542 be invested at a rate of 7 percent to earn a 303.52 interest
Answer:
$45
Step-by-step explanation:
To find the discount price, you make the discount a decimal and multiply, like so
.8x=36
then divide and your answer is 45
The number I pick between 30 and 100 is 72.
Answer:
x² + 4xy + 4y²
Step-by-step explanation:
(x + 2y)² = (x + 2y)(x + 2y)
Each term in the second factor is multiplied by each term in the first factor
(x + 2y)(x + 2y)
= x(x + 2y) + 2y(x + 2y) ← distribute both parenthesis
= x² + 2xy + 2xy + 4y² ← collect like terms
= x² + 4xy + 4y²