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alukav5142 [94]
3 years ago
8

Find the slope of y=1/3x + 2/5

Mathematics
1 answer:
alekssr [168]3 years ago
5 0

Answer:

1/3

Step-by-step explanation:

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1st step is to find the radius, then substitute into the formula for area of a circle 

A = \pi r^2~~~~~~r = radius

to find the radius, just halve the diameter
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HELP ME PLEASE!!! What is the value of y for the parallelogram shown A. 66 B. 60 C. 22 D. 38
Nesterboy [21]

Answer:

<h2><em>2</em><em>2</em></h2>

<em>Option </em><em>C</em><em> </em><em>is</em><em> </em><em>the</em><em> </em><em>correct</em><em> </em><em>option</em><em>.</em>

<em>Solu</em><em>tion</em><em>,</em>

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<em>(</em><em>opposite</em><em> </em><em>angles</em><em> </em><em>of</em><em> </em><em>parallelog</em><em>ram</em><em> </em><em>are</em><em> </em><em>equal </em><em>)</em>

<em>or  \: 3 \times y = 66 \\ or \: y =  \frac{66}{3}  \\ y = 22</em>

<em>hope</em><em> </em><em>this</em><em> </em><em>helps</em><em>.</em><em>.</em><em>.</em>

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5 0
3 years ago
Construct the confidence interval for the population standard deviation for the given values. Round your answers to one decimal
Alex777 [14]

Answer:

The correct answer is "2.633< \sigma < 4.480".

Step-by-step explanation:

Given:

n = 21

s = 3.3

c = 0.9

now,

df = n-1

    =20

⇒ x^2_{\frac{\alpha}{2}, n-1 } = x^2_{\frac{0.9}{2}, 21-1 }

                  = 31.410

⇒ x^2_{1-\frac{\alpha}{2}, n-1 } = 10.851

hence,

The 90% Confidence interval will be:

= \sqrt{\frac{(n-1)s^2}{x^2_{\frac{\alpha}{2}, n-1 }} } < \sigma < \sqrt{\frac{(n-1)s^2}{x^2_{1-\frac{\alpha}{2}, n-1 }}

= \sqrt{\frac{(21-1)3.3^2}{31.410} } < \sigma < \sqrt{\frac{(21.1)3.3^2}{10.851} }

= \sqrt{\frac{20\times 3.3^2}{31.410} } < \sigma < \sqrt{\frac{20\times 3.3^2}{10.851} }

= 2.633< \sigma < 4.480

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2 years ago
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So 6b + 8b = 175

Can you finish it?


8 0
3 years ago
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