Answer:
7 seconds
Step-by-step explanation:
The radius of a sphere-shaped balloon increases at a rate of 2 centimeters (cm) per second.
surface area of the completely inflated balloon is 784 cm²
SA=4r²
784= 4r²
784/4= r²
196 = r²
14cm = r
Yhe radius of the complete inflated balloon is 14cm
If the ball inflate at the rate of 2 cm per seconds
Then it took 14/2 = 7 seconds to inflate fully
Answer:
nth term: n+6
Step-by-step explanation:
a1 gives -7 and a2 gives -1. Let's compare these two numbers. From -7 to -1, we need a +6. Since -7 + 6 = -1.
a2 to a3, -1 + 6 = 5
a3 to a4, -5 + 6 = 11
The answer is B for that question.
Marissa's claim was accurate. the average of these minute counts is 6 minutes, which is what Marissa claimed.
Answer:
holy this is just substitution child
Step-by-step explanation:
1. y + 2, y = 4
if y is equal to 4, we can replace y in the equation
4 + 2 = 6
2. 6a / 3, a = 3
6 * 3 / 3 = 6
4. x - 7, x = 12
12 - 7 = 5
5. 2c - 4, c = 5
2 * 5 - 4 = 6
7. 2z - 3x
2 (8) - 3(5) =
16 - 15 = 1
8. 6x / (y + z)
(6 * 5) / (2 + 8)
30 / 10 = 3
