Answer: 10
Step-by-step explanation:
it is the middle of all the numbers
Answer:
The answer to your question is below
Step-by-step explanation:
First way
20 = 5(-3 + x) expand
20 = -15 + 5x simplify like terms
5x = 20 + 15
5x = 35 divide both sides by 5
5x/5 = 35/5
x = 7
Second way
20/5 = 5/5 (-3 + x) Divide both sides by 5
4 = -3 + x Add +3 in both sides
4 + 3 = -3 + 3 + x Simplify like terms
7 = x
Answer:
792 m
Step-by-step explanation:
perimeter of a rectangle = 2l + 2b
⇒ perimeter of ground = (2 x 42) + (2 x 24) = 132 m
Perimeter = 1 round
⇒ 6 rounds = 6 x 132 = 792 m
Answer:
the first one (25x + 30y is less than or equal to 100)
Step-by-step explanation:
money for clothing set x amount of sets plus pairs of shoes has to be less than or equal to 100 dollars.
1. the perimeter of a square is always 4 * side, so = 4*31/8 = 31/2 or 15 and 1/2
2. area of a square is always the side multiplied by each other, so: 9/2 * 9/2 = 81/4 or 20 and 1/4