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3 years ago

Translate into a mathematical equation, then SOLVE the equation:

Mathematics

1 answer:

Nastasia [14]3 years ago

5 0

Answer:

equation : (x÷4)-5=3

x=32

Step-by-step explanation:

I am so sorry if this us wrong bro

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Hi! I need help in this question, its solving for x, which should be easy.

snow_tiger [21]

Answer:

16.8

Step-by-step explanation:

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3 years ago

Read 2 more answers

Based on the information from Harper's Index, 37 out of 100 adult Americans who did not attend college believe in extraterrestri

vazorg [7]

Answer: Yes, this indicate the proportion of adult americans that attended college and believe in extraterrestrials is higher than the proportion that did not attend college.

Step-by-step explanation:

Since we have given that

Hypothesis:

$H_0:p_1=p_2\\\\H_a:p_1>p_2$

n₁ = 100

x₁ = 37

So, $p_1=\dfrac{x_1}{n_1}=\dfrac{37}{100}=0.37$

n₂ = 100

x₂ =47

So, $p_2=\dfrac{47}{100}=0.47$

At 0.01 level of significance, z = 2.33

So, test statistic value would be

$z=\dfrac{p_1-p_2}{\sqrt{\dfrac{p_1(1-p_1)}{n_1}+\dfrac{p_2(1-p_2)}{n_2}}}\\\\z=\dfrac{0.37-0.47}{\sqrt{\dfrac{0.37\times 0.63}{100}+\dfrac{0.47\times 0.53}{100}}}\\\\z=-1.44$

Since, 2.33>-1.44

Hence, we will reject the null hypothesis.

Therefore, Yes, this indicate the proportion of adult americans that attended college and believe in extraterrestrials is higher than the proportion that did not attend college

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3 years ago

What is the perimeter of this shape? 94 m 96 m 132 m 156 m

devlian [24]

P = 10 + 14 + 8 + 14 + 10 + 24 + 28 + 24
P = 132 m

Answer
Perimeter = 132 m

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4 years ago

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3 years ago

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