Answer:
7-(-2)=7+2
Step-by-step explanation:
7-(-2)=9
7+2=9
Hope this helps!
Answer:
A
Step-by-step explanation:
The segment BC joining the midpoints of 2 sides of the triangle is
Half the length of the third side, that is
x + 31 = 2(x + 19)
x + 31 = 2x + 38 ( subtract x from both sides )
31 = x + 38 ( subtract 38 from both sides )
- 7 = x → A
150x100= 15,000 square meters
150x2= 300
100 + 300 = 400 meters of fencing
Step-by-step explanation:
Factor, in mathmatechis, a number or algebric expression that divides another number or expression evenly.
For example, 3 and 6 are factors of 12 because 12 divided by 3 equals 4 exactly and 12 divided by 6 equals 2 exactly. The other factors of 12 are 1, 2, 4, and 12.