Answer:
The total cost y of a meal.....
Step-by-step explanation:
The total cost of the meal Y suggests addition, which if you added the x and w portions, you would end up with y.
The other answers suggest subtraction, division, or multiplication, which is not being illustrated by the model.
we need to find the unit form in 2 tens and one multiplied with 10 .' we know that
21 is the 2 tens one
if we multiplied 21 with 10 we get 210 .
which means 21 tens are there in 210.which is the unit form of 210.
Answer:
-3
Step-by-step explanation:
-7x=-2x+15
collect like terms
-7x+2x=15
-5x=15
divide both sides by -5
x=15/-5
x=-3
Answer:
61.90
Step-by-step explanation:
12.2+14+14+6=46.2
of semi circle
circumference of semi circle = 
d
x10 = 10
semi circle so divide by 2 = 5
5 = 15.7
46.2 + 15.7 = 61.9
