Answer:
Usa un calculadora. -4 +5 = 1, 16 +1 = ___
Step-by-step explanation:
Answer:
-9
Step-by-step explanation:
2(-1)-7
-2-7=-9
Answer:
8
Step-by-step explanation:
p = ?
h = 10
b = 6
Now,
p2 = h2 - b2
p2 = ( 10)2 - (6)2
p2 = 100 - 36
p2 = 64
p = root under (64)
p = 8
Whole numbers have no decimal place so answer : B D F - because they have no decimal place.
Hope this helps
Answer:
Step-by-step explanation:
m=marta's rope
d=dilbert's rope
3d-10=m
m+d=120
Then you can substitute equation 1 into the second one
(3d-10)+d=120
3d-10+d=120
4d-10=120
4d=130
d=32.5
m+d=120
m+32.5=120
m=120-32.5
