Answer:
y=10x
Step-by-step explanation:
1. The balloon is going up, so it won't be a negative number
2. It's going at a rate of 10 per second, and x represents seconds
Answer: 135
Step-by-step explanation:
7x- y, x = 20, and y = 5
7(20)-5=140-5=135
Answer: BC = √75 unit
Step-by-step explanation: AB = 10 unit AC = 5 unit
∴ BC = 10² - 5²
= 100 - 25 = 75
BC = √75 unit
Answer:
P = 72 ft
Step-by-step explanation:
the perimeter P is the sum of the 3 sides.
Tangents to a circle from an external point are congruent , then
side 24 = 15 + 9
side 21 = 9 + 12
Third side = 12 + 15 = 27 ft
P = 24 + 21 + 27 = 72 ft
Since it says round trip, you have to multiply the number of miles it gave you by two and then by four since they made four trips. this means that the answer is 11,944.