3 years ago

Write 5 equivalent ratios to the given ratio 5/7

Mathematics

1 answer:

slavikrds [6]3 years ago

4 0

Answer:

Step-by-step explanation: both times 2 equals 10/14 times 3 = 15/21 times 4 is 20/28

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Answer:

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Step-by-step explanation:

(B * h)/2

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The average American generates 4.4 lbs of trash every day. We circulated fliers that listed tips on how to reduce wastefulness i

Hatshy [7]

Answer:

$z= \frac{\bar X -\mu}{\frac{\sigma}{\sqrt{n}}}$

And replacing we got:

$z=\frac{4.3 -4.4}{\frac{1}{\sqrt{625}}}= -2.5$

And the best option would be:

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Step-by-step explanation:

For this problem we know that the true mean of trash every day is:

$\mu =4.4$

And from the info given we also know that:

$\bar X=4.3$ represent the sample mean

$n=625$ sample size selected

$\sigma = 1$ the population standard deviation assumed

If we want to find the z score for the person we can use the following formula:

$z= \frac{\bar X -\mu}{\frac{\sigma}{\sqrt{n}}}$

And replacing we got:

$z=\frac{4.3 -4.4}{\frac{1}{\sqrt{625}}}= -2.5$

And the best option would be:

d) -2.5

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4 years ago

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3 years ago

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For a circle of radius 5 feet, find the arc length s subtended by a central angle of 42 degress

MrMuchimi

$\bf \textit{arc's length}\\\\
s=\cfrac{\theta r\pi }{180}\quad 
\begin{cases}
r=radius\\
\theta = angle~in\\
\qquad degrees\\
------\\
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<AOB and <BOC

Step-by-step explanation:

Central angles are formed by any two radius

<AOB and <BOC

You are correct

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