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madreJ [45]
2 years ago
6

I need help with this question please

Mathematics
1 answer:
padilas [110]2 years ago
3 0

Answer:

Value of a is 26 and vaule of b is 12

Step-by-step explanation: May i get brainlesist

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A diver dives from the board at a local swimming pool. Her height, y, in metres, above the water in terms of her horizontal dist
Aneli [31]

Answer:

4 meters

Step-by-step explanation:

Given a quadratic equation in which the coefficient of x^2 is negative, the parabola opens up and has a maximum point. This maximum point occurs at the line of symmetry.

Since the divers height, y is modeled by the equation

y= -x^2 + 2x + 3

Step 1: Determine the equation of symmetry

In the equation above, a=-1, b=2, c=3

Equation of symmetry, x=-\dfrac{b}{2a}

x=-\dfrac{2}{2*-1}\\x=1

Step 2: Find the value of y at the point of symmetry

That is, we substitute x obtained above into the y and solve.

y(1)= -1^2 + 2(1) + 3=-1+2+3=4m

The maximum height of the diver is therefore 4 meters.

8 0
3 years ago
Solve for n.<br> n + 1 = 4(n - 8)<br> n = 1<br> T<br> n = 8<br> n = 11<br> n = 16
Komok [63]

Answer:

n=11

Step-by-step explanation:

n+1=4(n-8)

11+1=4(11-8)

12=4(3)

12=12

3 0
3 years ago
Read 2 more answers
5x (-2w-4) I need this asap
ira [324]

Hello from MrBillDoesMath!

Answer:

-10w - 20


Discussion:

5 ( -2w - 4 )   =                    

5(-2w) - 5(4) =

-10w - 20

Thank you,

MrB

4 0
3 years ago
HELP ME OUT PLEASE!!!! I posted this twice and I still need help
Inessa [10]

Answer:

13) Is a linear function. The points form a straight line

14) Is an exponential function. The points form a curved line.

8 0
3 years ago
Read 2 more answers
Just help me already plzzzzzzzzzzzz
laila [671]

Answer:

140-80= 60

60/5=12

so B 12 is the answer

4 0
2 years ago
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