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qaws [65]
1 year ago
6

Please help me solve this!!!!!!

Mathematics
2 answers:
stepladder [879]1 year ago
6 0

ANSWER: The value of k is C. 9

EXPLANATION: what the other person said

BabaBlast [244]1 year ago
4 0

Answer:

C. 9

Step-by-step explanation:

y = -4x^2 + 2kx

subtitute 3:

y = -4(9)^2 + 2k(9)

y = -4(81) + 18k

let y = 0

=> 0 = -324 + 18k

=> k = 324/18 = 9

this is my calculations hope it helps

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2 years ago
Find the perimeter of this semi-circle with radius, r = 12cm. Give your answer as an expression in terms of π .
Naddika [18.5K]

Answer:

12π

Step-by-step explanation:

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4 0
2 years ago
anisha is graphing the function f(x) = 25(3/5)x. She begins by plotting the point (1, 15). Which could be the next point she plo
Burka [1]

Answer:

(2, 9)

Step-by-step explanation:

We've been given the exponential function;

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f(2) = 25(3/5)^2

Using a calculator we obtain

f(2) = 9

Thus the next point she plots on the graph will be (2, 9)

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2 years ago
Which set of numbers is correctly ordered from least to greatest? <img src="https://tex.z-dn.net/?f=A.%29%20%5Cfrac%7B24%5Cpi%20
labwork [276]

Answer:

A

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24pie/5 is 15.07

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3 years ago
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