She would have to score atleast a 74 on the test for her average to be 78
After some work I concluded that the coordinates to D are (-2,0)
Answer:
Step-by-step explanation:
We must develop three equations in three unknowns.
I will use these three:
Answer:
is there a picture
Step-by-step explanation:
Answer:
5√2 cm
Step-by-step explanation:
Let x = the length of a side of the square
a2 + b2 = c2
x2 + x2 = 102
2x2 = 100
x2 = 50
x = √50
x = 5√2 cm