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DanielleElmas [232]

2 years ago

14

Which BEST shows where this function is only decreasing? A) −2 < x < 0.5 B) −∞ < x < −2 C) −2 < x < ∞ D) 0.5 &

lt; x < ∞

2 answers:

Alexxx [7]2 years ago

8 0

Answer:

in option B all the function is decreasing .thanks

Lilit [14]2 years ago

7 0

Answer: B is the final answer

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A hypothesis test is to be performed for a population proportion. For the given sample data and null hypothesis, compute the val

liberstina [14]

Answer:

The correct option is a

Step-by-step explanation:

From the question we are told that

The sample size is n = 415

The sample proportion is $\r p = 0.49$

Now

The null hypothesis is $H_o : p = 0.3$

The alternative hypothesis is $H_a : p \ne 0.3$

The test statistics is mathematically evaluated as

$t = \frac{\r p - p }{ \frac{\sqrt{ p (1- p )} }{n} }$

substituting values

$t = \frac{0.49 - 0.3 }{ \sqrt{ \frac{0.3 (1- 0.3 ) }{415} }}$

$t = 8.446$

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3 years ago

URGENT PLEASE: You purchase a new guitar and take out a loan for $450. You have 18 equal monthly payments of $28 each. What is t

kramer

Answer:
8%

Step-by-step explanation:
The amount repaid is ...
A = P(1 +rt)
Filling in the given values, we can find r.
(18·28) = 450(1 +r(18/12)) . . . . . t is in years
504 = 450 + 675t

54/675 = 0.08 = 8%

The simple interest rate on the loan is 8%.

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2 years ago

Arc AB is congruent to arc CD. What is the length of chord AB? AB= (6m-2) CD=(5m+2)

Inessa05 [86]

$6m-2=5m+2\\
m=4\\\\
\overline{AB}=6\cdot4-2=24-2=22$

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ANTONII [103]

Answer:

m = 3.50

Don't let the "f" in front of the m fool you!

Hope this is the answer you're looking for!

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jok3333 [9.3K]

Answer:

x = 6

Step-by-step explanation:

In the picture :) Hope that helped!

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2 years ago