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OLga [1]
3 years ago
13

It took Marty 42 minutes to write a book report then he spend 18 minutes correcting his report explain how you use mental math t

o find how long Marty spend on his book report
Mathematics
2 answers:
kondaur [170]3 years ago
6 0
<h2>Answer:</h2>

The time Marty spend on his book report is:

                    60 minutes or 1 hour

<h2>Step-by-step explanation:</h2>

It took Marty 42 minutes to write a book report then he spend 18 minutes correcting his report.

This means that the total time i.e. the overall time he spends on his book is:

Time he spend on writing the book+ The time he spend on correcting his book report

Hence,

Total time= 42 minutes+18 minutes

i.e.

Total Time= 60 minutes

Also, we know that:

        1 hour= 60 minutes.

Hence, his total time is: 60 minutes or 1 hour.

OleMash [197]3 years ago
5 0
It took Marty 60 minute to finish the report mentally you add 42 plus 8 is 50 plus 10 (because 18 minus 8 is 18) then that equals 60
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When describing average home sales prices, explain why the median might be more appropriate measure of center than the mean. Are
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Q. When describing average home sale prices, explain why the median might be more appropriate measure of center than the mean. A. When looking for the average, we usually don't get the approximate price that we are looking for. What we are instead receiving is the rounded figure from the various other prices, rather than finding the "center" price. Whereas, in finding the median, we get the center price (since using median we find the number that is in the approximate middle). That will get us the "core" price for the selection of the homes instead of getting the rounded figure in average. Q. Are all home prices about the same in a city? A. There are no approximate answer for this. This topic is similar to when you are deciding where to start your next business. You need to look at the environment, education, communication etc., before deciding to buy a house. From my point, I would say that not all the houses in the city have the same price. You need to look most at the built-in architectural designs to have a higher price. However, if you look for a some-what luxury house, then you will have more of a lower price.

3 0
4 years ago
Cona has 42mats. dillin has 27mats. what does cona have then dillin
DaniilM [7]
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8 0
3 years ago
If 5r + 6 &lt; 36, then <br> a) r&lt;6<br> b) r&lt;8<br> c) r&lt;12<br> d) r&lt;30<br> e) not given
Irina18 [472]
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yycjj. hgxs tfdg
4 0
4 years ago
The point P(5, −4) lies on the curve y = 4/(4 − x).
dalvyx [7]

Answer:

4

Step-by-step explanation:

Slope refers to the steepness of the line.

Slope is equal to change in value of y divided by change in value of x.

The slope of the secant line is given by \frac{f(x)-f(a)}{x-a}.

Given points are P\left ( 5,-4 \right )\,,\,Q\left ( x,\frac{4}{4-x} \right )

So, slope of the secant line is \frac{\frac{4}{4-x}+4}{x-5}=\frac{4+4(4-x)}{(x-5)(4-x)}=\frac{20-4x}{(x-5)(4-x)}=\frac{-4(x-5)}{(x-5)(4-x)}=\frac{-4}{4-x}=\frac{4}{x-4}

(i) At x = 4.9,

\frac{4}{4.9-4}=\frac{4}{0.9}=4.444444

(ii) At x = 4.99,

\frac{4}{4.99-4}=\frac{4}{0.99}=4.040404

(iii) At x = 4.999,

\frac{4}{4.999-4}=\frac{4}{0.999}=4.004004

(iv) At x = 4.9999,

\frac{4}{4.9999-4}=\frac{4}{0.9999}=4.0004

(v) At x =5.1,

\frac{4}{5.1-4}=\frac{4}{1.1}=3.636364

(vi)

At x = 5.01,

\frac{4}{5.01-4}=\frac{4}{1.01}=3.960396

(vii) At x = 5.001,

\frac{4}{5.001-4}=\frac{4}{1.001}=3.996004

(viii) At x = 5.0001,

\frac{4}{5.0001-4}=\frac{4}{1.0001}=3.9996

(b)

Slope of the tangent line is 4.

5 0
3 years ago
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