Answer:
x = (28 +- root -64) / (8)
Step-by-step explanation:
4x^2 -28x= -53 = 0
x = [-(-28)+- root (-28)^2 - 4 * 4 * 53] / 2 *4
x = (28 +- root 784 - 848) / (8)
x = (28 +- root -64) / (8)
8.5/12=0.708333 1 hour=60 minuets 60x0.708333= 42.5 or 42 1/2 miles
Answer:
6 × 20
120 in^2
Step-by-step explanation:
in order to find the area of the enlarged rectangle, you can multiply the area of the rectangle by the factor of the rectangle that is enlarged.
