Answer:
20
Step-by-step explanation:
10 + 10
= 20
Just add units place first.
0 + 0 = 0
Then tens place.
1 + 1 = 2
So the number,
=> 20
Answer:
19/42
Step-by-step explanation:
multiply each fraction by the opposite denominator to get the same denominator for both 12+7=19 &6×7=42
Negative times negative = positive.
=0.63−(−9.85)
=0.63+9.85
=10.48
D) is the answer.
Answer:
50/3 feet
Step-by-step explanation:
A square has 4 equal sides, so the perimeter is 4*50, or 200 inches.
But we want the answer in feet. There are 12 inches in a foot, so the perimeter in feet is 200/12 or 50/3 feet.
Answer:
12
Step-by-step explanation:
2x - 7 =5 +x
2x - x =5 +7
x =12 (one solution)