Answer:
Not equal so b
Step-by-step explanation:
3(3+4)=21 3³=27
Answer:
2 hours
Step-by-step explanation:
given that the calorie burn rates are:
swimming: 400 cal / hour
rollerblading: 600 cal / hour
If he swims for 3 hours, he will burn:
400 cal / hour x 3 hours
= 1200 cal
Since his goal is 2400 calories, the number of calories that he has left to burn after swimming is:
2400 - 1200
= 1200 calories.
Number of hours of rollerblading to burn 1200 calories
= 1200 calories ÷ 600 calories per hour
= 2 hours
Answer:
idk
Step-by-step explanation:
Answer:
Centre of the circle has coordinates(-2,1) and the raduis = square root (12)
Step-by-step explanation:
Shown in the attachment for better understanding.
Answer:
-(-1) = 1 And Vice Versa
Step-by-step explanation:
Two Negatives cancel each other out. So, -(-1) have the multiplication of 2 negatives, which results in a positive 1.