Answer:
x = 30
Step-by-step explanation:
Vertical angles have equal measures, so ...
2x +10 = 70
2x = 60 . . . . . . subtract 10
x = 30 . . . . . . . divide by 2
It should be a whole number.
Answer:
she need to buy 9 packs
Step-by-step explanation:
C = 2πr
= 2·3.14·14
= 87.92 m
she need to buy 9 packs
Sum = ADDITION SO ... 11 + 12 = 23.
Answer:
2(7) = 14
Step-by-step explanation:
When there is a number in the brackets, we want to input that into our function and get the output. In other words, we simply substitute 7 for x
2(7) = 14
