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3 years ago

The inverse of an exponential function is the quadratic function? true or false?

Mathematics

1 answer:

KonstantinChe [14]3 years ago

3 0

False.

The inverse of an exponential function is a logarithmic function.

Hope this helps!

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11) Endpoint: (0,4), midpoint (-10, -3)<br> Find the endpoint?

earnstyle [38]

Answer:

(-20,-10)

Step-by-step explanation:

$( - 10 \: \: - 3) = ( \frac{0 + x}{2} \: \: \frac{4 + y}{2} )$

Solve for.x coordinate

$- 10 = \frac{0 + x}{2} \\ - 20 = 0 + x \\ x = - 20$

solve for y coordinate

$- 3 = \frac{4 + y}{2} \\ - 6 = 4 + y \\ - 10 = y$

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3 years ago

Customers arrive at a movie theater at the advertised movie time only to find that they have to sit through several previews and

sergij07 [2.7K]

Answer:

a) sample size is 40

Step-by-step explanation:

(a)

$\sigma=4$ minutes

Margin of error, E is 75 seconds E=75/60= 1.25 minutes.

The level of significance $\alpha= 0.05$ for 95% level of significance

For 95% confidence interval $z_{\frac{\alpha}{2}}=1.96$ from standard deviation table

Sample size required, n

$n=\left (\frac{z_{\frac{\alpha}{2}}\cdot \sigma}{E} \right )^{2}=\left (\frac{1.96\cdot4}{75/60} \right )^{2}=39.337984$

Rounding off, n=40

Sample size =40

Keywords:

95% confidence, sample size, Wall Street Journal

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3 years ago

22. If 1 m,m/19 - 118°, and m/16 - 48°, calculate m/12.

Ulleksa [173]

Answer: Option 4

Step-by-step explanation:

$m\angle 20=62^{\circ}$ (linear pair)

$m\angle 11=70^{\circ}$ (angle sum in a triangle)

$m\angle 12=110^{\circ}$ (linear pair)

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2 years ago

on a piece of paper, graph y<-3/4x+2. Then determine which answer choice matches the graph you drew.

exis [7]

Answer:

D. Graph D

Step-by-step explanation:

The "y <" tells you two things: (1) shading will be below the line, where y-values are less than those on the line, and (2) the line will be dashed, because the "equal to" case is not included.

Only one graph has a dashed line with shading below: Graph D.

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3 years ago

What is the solution to the given equation? X^2+3x+7=0

Gekata [30.6K]

Answer:

-19

well i think it the answer

7 0

3 years ago