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vagabundo [1.1K]
3 years ago
13

(2+7-1)divided by 2 over 2

Mathematics
2 answers:
Zepler [3.9K]3 years ago
8 0

Answer:

The answer is 2

Step-by-step explanation:

(2 + 6)  \div 2 {}^{2}    \\  \\8 \div 4 = 2

JulsSmile [24]3 years ago
3 0
8 I don’t know how to explain but the answer is
8
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Makir is saving up his money to buy a iPad that costs $475.99. Right now he has $196.00, and can save $45.00 each week. How many
ehidna [41]
Answer:
5 weeks
Step-by-step explanation:
319.50-21.95=297.55
297.55/63.00=4.72
Since he can't wait for those many weeks, you would round it to 5 so he has enough money
5 0
3 years ago
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What is the approximate volume of a cylinder with a height of 2 ft and a radius of 6 ft? Use 3.14 to approximate pi. Express you
marissa [1.9K]
The volume of a cylinder is Pi times the radius^2 times the height

Volume = Pi x 6^2 x 2
Volume = 226.2
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28 divided by 5 gvbhcjdxksalskdfjghnvjckfkckkvkvjv
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5.6

Step-by-step explanation:

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2 years ago
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A data set includes weights of garbage discarded in one week from 62 different households. The paired weights of paper and glass
lara [203]

Answer:

Because the absolute value of the test statistic is <u>less than</u> the positive critical value, there <u>is not</u> enough evidence to support the claim that there is a linear correlation between the weights of discarded paper and glass for a significance level of α = 0.05.

Step-by-step explanation:

The correlation​ matrix provided is:

Variables    Paper     Glass

  Paper           1         0.1853

 Glass        0.1853         1

Te hypothesis for the test is:

<em>H</em>₀: <em>ρ</em> = 0 vs. <em>H</em>₀: <em>ρ</em> ≠ 0

The test statistic is:

<em>r</em> = 0.1853 ≈ 0.185

As the alternate hypothesis does not specifies the direction of the test, the test is two tailed.

The critical value for the two-tailed test is:

r_{\alpha/2, (n-2)}=r_{0.05/2, (62-2)}=r_{0.05/2, 60}=0.250

The conclusion is:

Because the absolute value of the test statistic is <u>less than</u> the positive critical value, there <u>is not</u> enough evidence to support the claim that there is a linear correlation between the weights of discarded paper and glass for a significance level of α = 0.05.

6 0
3 years ago
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