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ra1l [238]
3 years ago
13

Plzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz help

Mathematics
2 answers:
andriy [413]3 years ago
5 0
Reflection because it is projected to the other side of the graph. From quadrant one to quadrant two. And the shape is also flipped
Olegator [25]3 years ago
5 0
I wanted to say what the other person said but yes they are right! ^^^
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A rock is thrown upward from a bridge that is 57 feet above a road. The rock reaches its maximum height above the road 0.76 seco
bekas [8.4K]

answer:

f(t) = -9.9788169(t -0.76)^2 +57

Step-by-step explanation:

On this question we see that we are given two points on a certain graph that has a maximum point at 57 feet and in 0.76 seconds after it is thrown, we know can say this point is a turning point of a graph of the rock that is thrown as we are told that the function f determines the rocks height above the road (in feet) in terms of the  number of seconds t since the rock was thrown therefore this turning point coordinate can be written as (0.76, 57) as we are told the height represents y and x is represented by time in seconds. We are further given another point on the graph where the height is now 0 feet on the road then at this point its after 3.15 seconds in which the rock is thrown in therefore this coordinate is (3.15,0).

now we know if a rock is thrown it moves in a shape of a parabola which we see this equation is quadratic. Now we will use the turning point equation for a quadratic equation to get a equation for the height which the format is f(x)= a(x-p)^2 +q  , where (p,q) is the turning point. now we substitute the turning point

f(t) = a(t-0.76)^2 + 57, now we will substitute the other point on the graph or on the function that we found which is (3.15, 0) then solve for a.

0 = a(3.15 - 0.76)^2 + 57

-57 =a(2.39)^2  

-57 = a(5.7121)

-57/5.7121 =a

-9.9788169 = a      then we substitute a to get the quadratic equation therefore f is

f(t) = -9.9788169(t-0.76)^2 +57

4 0
2 years ago
Ginger bought 3 boxes of markers. She gave markers to her sister. Now Ginger has 18 markers. How many markers were in each box?
Deffense [45]

does it say how much boxes she gave her sister?


8 0
3 years ago
What is a fraction less than 5\6 and has a denominator of 8
White raven [17]
5/8. Is less than. 5/6 .
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3 years ago
1,495 divided by 45 please help me before tomorrow
creativ13 [48]
299/9 is the correct answer
3 0
3 years ago
The temperature is -60 degrees. If the temperature rises by 150, what is the new temperature?​
Anvisha [2.4K]

Answer:

90 degrees

Step-by-step explanation:

150 - 60

3 0
2 years ago
Read 2 more answers
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