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Novay_Z [31]
3 years ago
14

Amelia started a puzzle at 12:56 p.m. and solved it at 2:33 p.m.

Mathematics
1 answer:
QveST [7]3 years ago
5 0

Step-by-step explanation:

12:56pm to 1:00pm = 4 min

1:00pm to 2:00pm = 1 hour

2:00pm to 2:33pm = 33 min

Total time = 4 min + 1 hour + 33 min = 1 hour 37 minutes.

You might be interested in
What is the surface area of the square pyramid
user100 [1]

Answer:

128 feet squared

Step-by-step explanation:

you multiply 4 by 4 to get 16 ,

then you multiply 7 by 4 and get 28,

also multiply 28 by 4 and get 112 ,

finally add 112 and 16 to get 128


6 0
3 years ago
Daniel cut a square cake vertically to make two rectangle slices. Each rectangle had a perimeter of 45 inches. How long is each
9966 [12]

Answer:

15 inches

Step-by-step explanation:

As the square cake was cut in two equal pieces, we have that one side of the rectangle is the double of the other side, so we have that:

2*Length + 2*Width = 45

Length = 2*Width

So using the value of length in the first equation, we have:

4*Width + 2*Width = 45

6*Width = 45

Width = 7.5

Length = 2*Width = 15

So each side of the original cake is equal to the length of the rectangle pieces, that is, 15 inches.

8 0
3 years ago
Need help please Asap!
vova2212 [387]

The GDP and the years illustrated will be:

  • 2016 = $149208.6
  • 2017 = $157150.1
  • 2018 = $161284.3
  • 2019 = $161335.3
  • 2020 = $144422.1

<h3>What is Gross domestic product?</h3>

It should be noted that the gross domestic product simply means the monetary value of the overall economic activity in a country.

The gross domestic product and their corresponding years have been given.

The business cycle that was illustrated showed that there was a gradual expansion before getting to the peak where recession sets in

Also, the short run Philips curve is illustrated as there's a trade off between inflation and unemployment.

Learn more about GDP on:

brainly.com/question/1383956

#SPJ1

4 0
2 years ago
What transformation is shown below?
Artist 52 [7]

Answer:

it's a translation

Step-by-step explanation:

it just moved (3,0). If it were a rotation the y-axis wouldn't be the same. If it were a reflection you would be able to flip the blue triangle onto the red triangle.

6 0
3 years ago
It is advertised that the average braking distance for a small car traveling at 75 miles per hour equals 124 feet. A transportat
Morgarella [4.7K]

Answer:

z=\frac{112-124}{\frac{22}{\sqrt{37}}}=-3.318  

The p value would be given by this probability:

p_v =2*P(z  

Since the p value is a very small value at any significance level used we can reject the null hypothesis and we can conclude that the true mean for this case is different from 124 ft

Step-by-step explanation:

Data given and notation  

\bar X=112 represent the sample mean

\sigma =22 represent the population standard deviation  

n=37 sample size  

\mu_o =124 represent the value that we want to test  

z would represent the statistic (variable of interest)  

p_v represent the p value

Hypothesis to test

We want to check the following system of hypothesis:

Null hypothesis: \mu = 124  

Alternative hypothesis :\mu \neq 124  

The statistic is given by:

z=\frac{\bar X-\mu_o}{\frac{\sigma}{\sqrt{n}}} (1)  

Replacing the info given we got:

z=\frac{112-124}{\frac{22}{\sqrt{37}}}=-3.318  

The p value would be given by this probability:

p_v =2*P(z  

Since the p value is a very small value at any significance level used we can reject the null hypothesis and we can conclude that the true mean for this case is different from 124 ft

6 0
4 years ago
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