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kirill115 [55]
4 years ago
13

The sand falls at a rate of 60 cubic millimeters per second. How much time do you have to answer the question

Mathematics
1 answer:
e-lub [12.9K]4 years ago
3 0
You Have -3 Seconds FAM 
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What is the midpoint of the line segment (-8,-7) and (-7,-8)
goblinko [34]
The answer is (-7.5, -7.5)
3 0
3 years ago
✨I don't understand ✨​
lorasvet [3.4K]

Answer:

it is not a that all i know i am not a roket scientist in school LOL

Step-by-step explanation:

6 0
3 years ago
The height of a batted ball is modeled by the function h=-0.01x^2+1.22x+3, where x is the horizontal distance in feet from the p
givi [52]
Part A:

Given that t<span>he height of a batted ball is modeled by the function h=-0.01x^2+1.22x+3, where x is the horizontal distance in feet from the point of impact with the bat, and h is the height of the ball in feet.

At maximum height,

\frac{dh}{dx} =0

\frac{dh}{dt} =0 \\  \\ \Rightarrow-0.02x+1.22=0 \\  \\ \Rightarrow0.02x=1.22 \\  \\ \Rightarrow x= \frac{1.22}{0.02} =61

Thus, the maximum height occurs when x = 61 feet and the maximum height is given by

h=-0.01(61)^2+1.22(61)+3 \\  \\ =-0.01(3,721)+74.42+3=-37.21+77.42 \\  \\ =40.21

Therefore, the maximum height is 40.21 feet.
</span>
4 0
4 years ago
Stacey has $350 in her savings account. How much money came from babysitting?
Alexxx [7]

Answer:

i dont know it srry

Step-by-step explanation:

8 0
3 years ago
Suppose that the amount of algae in a pond doubles every 3 hours. If the pond initially contains 50 pounds of algae, how much al
allochka39001 [22]

Answer:

After 8 hour there will be 317.64 pounds of algae.

y-intercept: (0, 50)

Step-by-step explanation:

At time = 0 hours, there are 50 pounds of algae, after 3 hour there will be 100 pounds of algae, after 6 hour there will be 200 pounds of algae, and so on.

Exponential growth is modeled by the following equation:

y = x0*(1 + r)^t

where x0 is the amount of algae at the beginning, r is the rate of change, and y is the amount of algae after t hours. Replacing with data:

100 = 50*(1 + r)^3

2 = (1 + r)^3

ln(2) = 3*ln(1 + r)

r = exp(ln(2)/3) - 1

r = 0.26

This result can be checked as follows

y = 50*(1 + 0.26)^6 = 200

After 8 hours:

y = 50*(1 + 0.26)^8 = 317.64

The y-intercept corresponds to t = 0

y = 50*(1 + 0.26)^0 = 50

8 0
4 years ago
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