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4 years ago

PLEASE HELP!!!!A. Y=|x+4|+2B. y=|x-4|+2C. y=|x+4|-2D. y=|x-4|-2

Mathematics

1 answer:

Pani-rosa [81]4 years ago

3 0

The answer is C. y=|x+4|-2

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What is the anwser to 500+12344356= and why

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12344856 is the answer cuss 12344356 + 500 is that or because 500 is in the hundreds place and all you need to change is the place in the original number so 300+500 is 800

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3 years ago

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Is 8.73 a rational number

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Answer:

Yes

Step-by-step explanation:

8 73/ 100=8.73

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3 years ago

Alma is estimating the proportion of students in her school district who, in the past month, read at least 1 book. From a random

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Answer:

$(0.64 +1.645 \sqrt{\frac{0.64(0.36)}{50} })$

90 percent confidence interval for the proportion of all students in her district who read at least 1 book last month

(0.52846 , 0.75166)

Step-by-step explanation:

Step:-1

Given that the random sample size 'n' = 50

The sample proportion

$p^{-} = \frac{32}{50} = 0.64$

90 percent confidence interval for the proportion of all students in her district who read at least 1 book last month

$(p^{-} - Z_{0.90} \sqrt{\frac{p(1-p)}{n}, } , p^{-} +Z_{0.90} \sqrt{\frac{p(1-p)}{n} })$

Step(ii):-

Level of significance = 0.90

Z₀.₉₀ = 1.645

$(0.64 - 1.645 \sqrt{\frac{0.64(1-0.64)}{50}, } , 0.64 +1.645 \sqrt{\frac{0.64(1-0.64)}{50} })$

$(0.64 - 1.645 \sqrt{\frac{0.64(0.36)}{50}, } , 0.64 +1.645 \sqrt{\frac{0.64(0.36)}{50} })$

(0.64 -1.645(0.06788) , (0.64 + 1.645(0.06788)

(0.52846 , 0.75166)

Final answer:-

90 percent confidence interval for the proportion of all students in her district who read at least 1 book last month

(0.52846 , 0.75166)

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3 years ago

An initial population of 7 chipmunks increases by 6% each year. If the function f(x) = ab^x models this situation, which functio

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Answer:

B) f(x) = 7(1.06)⁸

Step-by-step explanation:

f(x) = ab^x

a = 7

b = (106/100) = 1.06

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3 years ago