Answer:
x^2 + 8x + 16
Step-by-step explanation:
(x + 4) (x+ 4) multiply x by x and x by 4.
x^2 + 4x
Then multiply 4 by x and 4 by 4.
4x + 16
Then combine like terms.
x^2 + 4x + 4x +16
x^2 + 8x + 16
Answer:
Step-by-step explanation:
A. Subtract 290 from 450, 450-290= 160
B. The variable e represents the elevation before they started the hike
C. 450+-290= 450-290
Answer:
A: 1070 m
Solution:
based on the formula :
960km/h= x (the distance) / 1h50m
Answer:
Step-by-step explanation:
12x = 10x + 20 {Subtract 10x from both sides}
12x - 10x= 20
2x = 20 {Divide bothsides by x}
x = 20/2
x = 10