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Feliz [49]
2 years ago
7

A baby bird jumps from a tree branch and flutters to the ground. The function "f" models the bird's height (in meters) above the

ground as a function of time (in seconds) after jumping. What is bird's height above the ground when it jumped.
Mathematics
1 answer:
AURORKA [14]2 years ago
8 0

The answer to this question will depend on the function f itself. Basically you will find the height in meters above the ground of the bird when it jumped when the time t=0s. This is substsitute every t in the function for a value of zero and that way you will get the bird's height at the time it jumped. If you were given a graph for this function, you can find the y-intercept of the graph and that will be the answer as well. The question could be written like this:

A baby bird jumps from a tree branch and flutters to the ground. The function "f(t)-4.9t^{2}+25" models the bird's height (in meters) above the ground as a function of time (in seconds) after jumping. What is bird's height above the ground when it jumped.

Answer:

25m

Step-by-step explanation:

Once your function is given, you can substitute t=0 since 0s is the time measured at the moment the bird jumped. So our function will be:

f(0)=-4.9(0)^2+25

f(0)=25m

So the height of the bird above the ground when it jumped is 25m in this particular function.

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3241004551 [841]

Answer:

it's 3

Step-by-step explanation:

because 3x7=21.

hope this helps

7 0
3 years ago
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What is the least possible positive integer-value of n such that sqrt{18\cdot n \cdot 34}$ is an integer?
dusya [7]

Answer:

n = 17. This means, √(18 x 17 x 34) = √(10404) = 102.

Step-by-step explanation:

An integer is a number that is not a fraction.

Given √(18 x n x 34), for the expression to be an integer, the product must be a perfect square. We are looking for n, the smallest number to multiply 18 x 34 to make it a perfect square. We have:

18 x 34 = 2 x 9 x 2 x 17 = 2 x 3 x 3 x 2 x 17 = 2² x 3² x 17.

From here, we see that we need to multiply an extra 17 to make it a perfect square, therefore n = 17. So we have:

√(18 x 17 x 34) = √(10404) = 102

8 0
3 years ago
If the train from Milan, Italy, to Rome, Italy, takes 6 hours at a speed of 130 miles per hour, how many miles from Milan is Rom
Fittoniya [83]

Step-by-step explanation:

the speed is 130 miles / hour.

that means the train travels 130 miles in 1 hour.

so, the question is, how far is it traveling. when it is going with that speed for 6 hours ?

well, 130 × 6 = 780 miles.

formally, speed is "distance / time".

multiplying this by some time, we have then an expression of "(distance / time) × time", which is then simply "distance".

8 0
2 years ago
Heeeeeeeeeeeeelp!?!?!?!?!?!?!?!?!?!?!?!
Rashid [163]

Answer:

Step-by-step explanation: The rate of change at which the water level rises is centimeters per minute. So, solving the

equation for y gives a y-value equal to 1.

6 0
2 years ago
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2 grey cards
denis-greek [22]
  • P(G)=2
  • P(Y)=7
  • P(P)=5

Now

  • Total=E=7+5+2=12+2=14

Now

  • P(G')=14-2=12

Probability of not selecting gray =12/14

Now

But pink is in 5

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2 years ago
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