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mart [117]
3 years ago
9

If lin runs 21 laps at the same rate, how long does it take her 25.6 minutes How many laps per minute is that? __ laps

Mathematics
1 answer:
Alex Ar [27]3 years ago
6 0

Answer: 0.82 laps per minute

Step-by-step explanation:

Lin is running 21 laps in 25.6 minutes.

To find out her speed in laps per minute, divide the distance she has ran by the time it took her to run it.

= Distance / time

= 21 / 25.6

= 0.82 laps per minute

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As the atoms in period 3 of the periodic table are considered from left to right, the atoms generally show
Gala2k [10]
In row 3 of the periodic table, the third electron shell (the "M" Shell) is being filled in.
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4 years ago
On Monday, Sandra set a goal to run 2 1/2 miles by Thursday . She ran 1/3 of a mile on Monday, 5/8 of a mile on Tuesday, and 7/1
slega [8]

Answer:

23/24

Step-by-step explanation:

I found a common denominator of 24, and then multiplied the numbers so that they would equal the common denominator. I then added all of the numbers up, to get an answer of 37/24. Finally, I subtracted 2 12/24 (which is equal to 2 1/2) to get an answer of 23/24. Because that cannot be simplified, that would be your final answer. Hope this helps :)

8 0
3 years ago
Read 2 more answers
Which symbol can be used to correctly compare the two fractions?
aev [14]

Answer:

>

Step-by-step explanation:

Divide them, Do 2 divided by 5 and you'll get 0.4 and then do 35 divided by 100 and you'll get 0.35. 0.4 is bigger then 0.35 so the answer will be >.

4 0
2 years ago
Integration using part formula<br> <img src="https://tex.z-dn.net/?f=%5Cint%5Climits%20%7Bx%5Enlogx%7D%20%5C%2C%20dx" id="TexFor
liq [111]

Answer:

Integration of I= \int {x^{n}logx \, dx=[\frac{logx}{n+1} x^{(n+1)}]-[\frac{1}{(n+1)^{2}}x^{(n+1)}]

Step-by-step explanation:

Given integral is I= \int {x^{n}logx \, dx

Take logx=t

x=e^{t}

x^{n}=e^{nt}

\frac{1}{x} dx=dt

dx=xdt

dx=e^{t}dt

I= \int (e^{nt})(t)(e^{t})\, dt

I= \int (e^{(n+1)t})(t)\, dt

Using integration by part,

I= (t)\int [e^{(n+1)t}]\, dt-\int[\frac{d}{dt}{t}\times\int (e^{(n+1)t})]\\\\I= (t) [\frac{1}{n+1}e^{(n+1)t}]-\int[1\times\frac{1}{n+1}e^{(n+1)t}]\,dt\\\\I=[\frac{t}{n+1}e^{(n+1)t}]-[\frac{1}{(n+1)^{2}}e^{(n+1)t}]

Writing in terms of x

I=[\frac{t}{n+1}e^{(n+1)t}]-[\frac{1}{(n+1)^{2}}e^{(n+1)t}]

I=[\frac{logx}{n+1}e^{(n+1)logx}]-[\frac{1}{(n+1)^{2}}e^{(n+1)logx}]

I=[\frac{logx}{n+1}e^{logx^{(n+1)}}]-[\frac{1}{(n+1)^{2}}e^{logx^{(n+1)}}]

I=[\frac{logx}{n+1} x^{(n+1)}]-[\frac{1}{(n+1)^{2}}x^{(n+1)}]

Thus,

Integration of I= \int {x^{n}logx \, dx=[\frac{logx}{n+1} x^{(n+1)}]-[\frac{1}{(n+1)^{2}}x^{(n+1)}]

3 0
3 years ago
2. Which is the absolute value of 9 and -9?<br><br> А -9<br><br> с 9<br><br> В 0
Furkat [3]

Answer:

0

Step-by-step explanation:

9-9=0

-9 is basically symbolizing subtraction

7 0
3 years ago
Read 2 more answers
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