2 years ago

Please help me I need this I need a good grade or my mom spank me.

Mathematics

1 answer:

bagirrra123 [75]2 years ago

4 0

Answer:

Thats correct.

Step-by-step explanation:

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Help! I have looked at so many lessons on writing exponential functions from a graph and nothing has helped.

Over [174]

Answer:

y = $8(-\frac{1}{2})^x$

Step-by-step explanation:

Let the equation of the exponential function is,

y = a(b)ˣ

Since the graph of this function passes through two points $(4, \frac{1}{2})$ and (3, -1)

For the point $(4, \frac{1}{2})$ ,

$\frac{1}{2}=a(b)^4$ ---------(1)

For second point (3, -1),

-1 = a(b)³ ---------(2)

Divide equation (2) by equation (1),

$\frac{\frac{1}{2}}{-1}$ = $\frac{a(b)^4}{a(b)^3}$

$-\frac{1}{2}=b^{(4-3)}$

$-\frac{1}{2}=b$

From equation (2)

-1 = $a(-\frac{1}{2})^3$

-1 = $-\frac{1}{8}a$

a = 8

Therefore, equation of the exponential function will be,

y = $8(-\frac{1}{2})^x$

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2 years ago

19) Kyle has $600 in a savings account at the beginning of the summer. He wants to have at least $300 in his account by the end

Karolina [17]

If Kyle starts with $600 and wants to end with (at least) $300 She can withdraw up to $600−$300=$300
If he withdraw 20$/ week the 300 will last for 300/20 = 15 weeks

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3 years ago

Expression "-3x^2+y4x" when x = "-4" and y = 2 A. -112 B. -80 C. 80 D. 272

Paraphin [41]

B, -3(-4)^2+(2)4(-4) plug into a calculator

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2 years ago

Ross needs to have a procedure done, and since he is over 65 he is on Medicare. Medicare says that according to their plan the a

stepladder [879]

I think the answer would be B. 3,000

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3 years ago

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a triangle has two sides of length 2 & 6, what’s the smallest possible whole number length for the 3rd side

ozzi

Answer:

Step-by-step explanation:

2 is the smallest you can get fir it to be a proper triangle

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3 years ago