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4 years ago

If the exterior angle is 110 what is the interior angle

1 answer:

3 0

The answer is: " 70° " .
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<u>Note</u>:
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180 − 110 = 70 .
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The answer is: " 70° " .
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How do you do this? I need help

hjlf

Hi,

8 Pckts each has 500 g weight .Total weight would be 8*500=4000g
and she arranged them into 3 boxes.

assume those three boxes are X,Y,Z first,second,thrid respectively.
X+Y+Z=4000g--------------------1

then according to the statement first box is twice heavy as second one
means X=2Y----------------2

and thrid box is 60g heavier than second box.
Z=Y+60--------------------3
put those values in to eq 1

2Y+Y+Z=4000
3Y+Y+60=4000
4Y=4000-60
4Y=3940
Y=985
second box weight is 985 gram

8 0

4 years ago

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GIVING BRAINLIEST AND CREDIT ;)))))) DONT LEAVE ME HANGING

melamori03 [73]

Answer:

Type the equations given into desmos and it will give you the answer

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3 years ago

The US Census reported that it takes workers an average of 28 minutes to get home from work with standard deviation 5 minutes. A

xz_007 [3.2K]

Using the z-distribution, as we have the standard deviation for the population, to test the hypothesis, it is found that this is evidence that workers in the large city take longer than 28 minutes to get home from work.

<h3>What are the hypothesis tested?</h3>

At the null hypothesis, it is tested if the mean time is of 28 minutes, that is:

$H_0: \mu = 28$

At the alternative hypothesis, it is tested if the mean time is greater than 28 minutes, that is:

$H_1: \mu > 28$ .

<h3>What is the test statistic?</h3>

The test statistic is given by:

$z = \frac{\overline{x} - \mu}{\frac{\sigma}{\sqrt{n}}}$

The parameters are:

$\overline{x}$ is the sample mean.

$\mu$ is the value tested at the null hypothesis.

$\sigma$ is the standard deviation of the sample.

n is the sample size.

In this problem, the values of the parameters are given by:

$\overline{x} = 32, \mu = 28, \sigma = 5, n = 10$

Hence:

$z = \frac{\overline{x} - \mu}{\frac{\sigma}{\sqrt{n}}}$

$z = \frac{32 - 28}{\frac{5}{\sqrt{10}}}$

$z = 2.53$

<h3>What is the decision?</h3>

Considering that we have a <em>right-tailed test</em>, as we are testing if the mean is greater than a value, with a standard <em>significance level of 0.05</em>, the critical value is of $z^\ast = 1.645$ .

Since the test statistic is greater than the critical value, it is found that this is evidence that workers in the large city take longer than 28 minutes to get home from work.

To learn more about the z-distribution, you can check brainly.com/question/26454209

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2 years ago

Which expression is equivalent to -19-11?

Sholpan [36]

-30 is your answer, if I’m not mistaking

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3 years ago

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Help me please!!!!!!

alexandr1967 [171]

Answer: