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kondor19780726 [428]
3 years ago
7

How can I find the corresponding angles?

Mathematics
1 answer:
Alex3 years ago
4 0
It's A.

The corresponding angles are the ones in matching corners (e.g 1 and 5, 2 and 6, etc.).
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A dog jumps straight up. Y=-16t^2+20t models the motion of the dog, where "t" is the time in seconds and "y" is the height of th
alina1380 [7]

Answer:

Step-by-step explanation:

The motion of the dolphin is quadratic

i.e y=-16t²+20t

To get the maximum height the dolphin will reach

We need to find the point of inflexion. i.e dy/dt=0

dy/dt=-32t+20

Then set dy/dt=0

0=-32t+20

Then, -32t=-20

t=0.625

Let find d²y/dt²

d²y/dt²=-32. Since this is negative then the point t=0.625 is the maximum point the dolphin can reach

Then substitute t=0.625 into y

y=-16t²+20t

y=-16(0.625)²+20(0.625)

y=6.25ft

Then the maximum height the dolphin can reach is 6.25ft

Using discriminant

Formular method

y=-16t²+20t

So the dog height y<7

y=-16t²+20t <7

-16t²+20t-7<0

a=-16, b= 20. c=-7

t=(-b±√b²-4ac)/2a

Using the a, b and c direct for the discriminant

D=b²-4ac

D=20²-4×-16×-7

D=-48

Which is a complex number

Then the dolphin can reach the height

Then we need to model the D to be greater than 0

Therefore,

D>0

b²-4ac>0

We cannot do anything to a and b it is already given

a=-16, b=20

(20)²-4(-16c)>0

400+64c>0

64c>-400

Then

c>-6.25

Divide both side by - and the inequality sign will change

Therefore -c<6.25

So the dog height y<6.25

y=-16t²+20t <6.25

Therefore the maximum height is 6.25.

If it is greater than that then, we are going to have a complex root movement which is not possible for the dolphin .

5 0
3 years ago
A function f has the property that f(x-y)=f(x)/(y) f(y) does not equal zero if f (8)=256and f(5)=32 what is the value of f(3)
Dvinal [7]

Answer:

shdhhsjsjkalaixhxjalos

3 0
2 years ago
PT. 3 OF MY HW IT IS UNIT RATE​
inn [45]

Answer: The rate of change decreased.

Step-by-step explanation:

7 0
2 years ago
Claudia went on aa skyiving adventure. She jumped whhen the plane was at an altitude of 10,000 ft. and landedsafely on the groun
faust18 [17]
If Claudia jumped 10,000 ft. to sea level, then the answer would be -10,000. The reason is if she is going down then it would be negative.
3 0
3 years ago
Can someone please help im struggling
NNADVOKAT [17]

Answer:

81 units³

Step-by-step explanation:

V = Length x Widht x Height

= 9 x 3 x 3

= 81 units³

5 0
3 years ago
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