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3 years ago

24x^-2y^6z^-5/4x^7y^-8

Mathematics

1 answer:

Firlakuza [10]3 years ago

8 0

Answer:

Using the ordered pairs (-2, 4) and m= -3 provide the following information: Point - Slope form: or Slope Intercept form : Standard forma

X intercept: Y interce

Step-by-step explanation:

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At one vehicle inspection station, 13 of 52 trucks and 11 of 88 cars failed the emissions test. assuming these vehicles were rep

Leto [7]

The standard error (SE) of the sampling distribution difference between two proportions is given by:

$SE=\sqrt{p(1-p)\left(\frac{1}{n_1}+\frac{1}{n_2}\right)}$

where p is the pooled sample proportion, $n_1$ <span> is the size of sample 1, and $n_2$ <span> is the size of sample 2.

</span> $p= \frac{p_1n_1+p_2n_2}{n_1+n_2}$
<span>
Given that a</span><span>t one vehicle inspection station, 13 of 52 trucks and 11 of 88 cars failed the emissions test.

</span> $p_1= \frac{13}{52} =0.25 \\ \\ p_2= \frac{11}{88} =0.125 \\ \\ n_1=52 \\ \\ n_2=88 \\ \\ p= \frac{0.25(52)+0.125(88)}{52+88} \\ \\ = \frac{13+11}{140} = \frac{24}{140} =0.1714$
<span>
</span> $SE=\sqrt{0.1714(1-0.1714)\left(\frac{1}{52}+\frac{1}{88}\right)} \\ \\ = \sqrt{0.1714(0.8286)(0.0192+0.0114)} \\ \\ = \sqrt{0.1714(0.8386)(0.0306)} = \sqrt{0.0044} \\ \\ =0.0663$ <span>
</span> </span>

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4 years ago

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A house that is built for $200,000 and then marked up 175%<br> cost+(cost x % of increase)

Gekata [30.6K]

Answer:

ФΔHello wonderful personΔФ

Your answer should be:

$235,000

$200,000×0.175 = 35,000+ 200,000

Step-by-step explanation:

<h2>First answer!!!</h2><h3>Please mark brainliest≅</h3><h3>Have a great day!</h3>

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3 years ago

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In Triangle ABC, angle A is congruent to angle B and

natita [175]

Answer:

Angle C=72º

Step-by-step explanation:

If two angles are congruent they are equals then angle A is 54º and angle B is 54º and the sum of the internal angles of a triangle is 180º then.

C=180º-54º-54º=72º

To know the value of on AC and BC we have to know the value of the other side AB, to find the values of the sides we can use the law of sines;

$\dfrac{AB}{sin(72)}=\dfrac{BC}{sin(54)}=\dfrac{AC}{sin(54)}$

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3 years ago

The fastest a human has ever run is 27 miles per hour. How many miles per minute did the human run?

nekit [7.7K]

$\frac{27mi}{1hr} * \frac{1hr}{60min}= \frac{27mi}{60min}$

27mi/60min=9/20
9mi/20min=xmi/1min
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Divide by 20 on both sides
<span>x= 9/20

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kondor19780726 [428]

I'm not sure what this question means exactly, maybe the principals goal is unrealistic?

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