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3 years ago

(?,5) is on the line 4x-7y=1. Find the other half of the coordinate.

1 answer:

8 0

The coordinate is an ordered pair $(x,y)$ . We have a number, 5, for y, which we can substitute (plug-in) for y in the equation of the line and solve for x.

$4x-7y=1\\4x-7(5)=1\\4x=36\\x=9$

$(9,5)$

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Serhud [2]

Answer:

The value of the test statistic is $t = 1.97$

Step-by-step explanation:

The null hypothesis is:

$H_{0} = 250$

The alternate hypotesis is:

$H_{1} \neq 250$

Our test statistic is:

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In which X is the sample mean, $\mu$ is the null hypothesis value, $\sigma$ is the standard deviation and n is the size of the sample.

In this problem:

$X = 251.6, \mu = 250, \sigma = 5.4, n = 44$

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

$t = \frac{251.6 - 250}{\frac{5.4}{\sqrt{44}}}$

$t = 1.97$

The value of the test statistic is $t = 1.97$

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4 years ago

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jek_recluse [69]

Answer:

Step-by-step explanation:

The + on the zero means the limit as x approaches 0 from the right side

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2 years ago

Find the value of the variable plz help

Naddika [18.5K]

Answer:

Step-by-step explanation:

Vertically opposite angles are equal.

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8y = 14y - 24 - 36 Combine

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===========================

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7 0

3 years ago

Read 2 more answers

Find the missing length in the image below

lara31 [8.8K]

Let it be x

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$\\ \sf\longmapsto \dfrac{x}{10}=\dfrac{14}{7}$

$\\ \sf\longmapsto \dfrac{x}{10}=2$

$\\ \sf\longmapsto x=10(2)$

$\\ \sf\longmapsto x=20$

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3 years ago

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joja [24]

I'm not sure exactly what you're asking but 1×10^-5 is .00001. I could be interpreting your question wrong in which case I'm sorry.

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3 years ago