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ANTONII [103]
3 years ago
9

The scale of a map says that 8 cm represents 5 km. What is the actual number of kilometers that is represented by 5 centimeters

on the map? Must show your math thinking on the sketchpad. You may use a calculator, but must show the calculations you used.
Mathematics
1 answer:
mel-nik [20]3 years ago
4 0
I don’t even know man but I’ll look into it for you
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What is the sum?
Nezavi [6.7K]

Answer:

Its B on e2020

Step-by-step explanation:

correct on quiz

4 0
3 years ago
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The prism shown has a volume of 300 m3. A prism has a length of 7.5 meters, width of w, and height of 5 meters. What is the widt
Shalnov [3]

Answer:

6

Step-by-step explanation:

7.5*5=37.5

200/37.5=6

3 0
3 years ago
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A quadrilateral has angle measures of 120°, 37°, and 48°. What is the measure of the fourth angle?
White raven [17]
155 degrees because the sum of the angles in a quadrilateral is 360 degrees.
x + 120 + 37 + 48 = 360
x= 155
5 0
3 years ago
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I don’t understand this, please help!
Luden [163]

Maybe write it down, like how you see other math problems.

And then solve it!

:D

8 0
3 years ago
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The Scottsdale fire department aims to respond to fire calls in 4 minutes or less, on average. Response times are normally distr
IgorC [24]
<h2><u>Answer with explanation</u>:</h2>

Let \mu be the population mean.

As per given , we have

H_0:\mu \leq4\\\\ H_a: \mu >4

Since the alternative hypothesis is right-tailed , so the test is a right-tailed test.

Also, population standard deviation is given \sigma=1 , so we perform one-tailed z-test.

Test statistic : z=\dfrac{\overline{x}-\mu}{\dfrac{\sigma}{\sqrt{n}}}

, where \mu = Population mean

\sigma = Population standard deviation

n= sample size

\overline{x} = Sample mean

For n= 18 , \overline{x}=4.50 , \sigma=1 , \mu =4, we have

z=\dfrac{4.5-4}{\dfrac{1}{\sqrt{18}}}\approx2.12

P-value (for right tailed test): P(z>2.12) = 1-P(z≤ 2.12)  [∵ P(Z>z)=1-P(Z≤z)]\

=1- 0.0340=0.9660

Decision : Since P-value(0.9660) > Significance level (0.01), it means we are failed to reject the null hypothesis.

[We reject null hypothesis if p-value is larger than the significance level . ]

Conclusion : We do not have sufficient evidence to show that the goal is not being met at α = .01 .

3 0
3 years ago
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