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antiseptic1488 [7]
3 years ago
8

Can someone help :(!

Mathematics
1 answer:
Andru [333]3 years ago
5 0

Answer:

  1/(t+4)²

Step-by-step explanation:

  \dfrac{t+3}{t+4}\div(t^2+7t+12)=\dfrac{t+3}{t+4}\cdot\dfrac{1}{(t+3)(t+4)}=\dfrac{(t+3)}{(t+3)(t+4)^2}\\\\=\boxed{\dfrac{1}{(t+4)^2}}

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Help me assapppp!!! Pls
mafiozo [28]

Answer:

have you tries adding them together?

5 0
3 years ago
Fish story: According to a report by the U.S. Fish and Wildlife Service, the mean length of six-year-old rainbow trout in the Ar
Yanka [14]

Answer:

11.29.

Step-by-step explanation:

We are given that The mean length of six-year-old rainbow trout in the Arolik River in Alaska is 478 millimeters with a standard deviation of 38 millimeters.

We are also given that these lengths are normally distributed.

So, The highest value is at mean .(Refer the attached figure).

Formula : Percentile = \frac{Length}{Maximum} \times 100

54 = \frac{Length}{478} \times 100

\frac{5400}{478} =Length

11.297 =Length

The 54th percentile of the lengths is 11.29.

4 0
3 years ago
In a class of 32 students, 4 have birthdays in October.What percent have October birthdays
dimaraw [331]

Answer:

12.5%

Step-by-step explanation:

percent = # of October birthdays/total class # = 4/ 32 = 1/8 = 0.125 = 12.5%

8 0
2 years ago
Read 2 more answers
The box plots show the high temperatures in June and August for Denver in degrees Fahrenheit.
Kryger [21]

Hi There!

---------------------------------------------------------

Full Question:

The box plots show the high temperatures in June and August for Denver in degrees Fahrenheit.

Which can you tell about the mean temperatures for these two months?

There is not enough information to determine the mean temperatures.

The mean temperature for August is higher than June's mean temperature.

The mean temperature for June is equal to the mean temperature for August.

The high interquartile range for August pulls the mean temperature above June's mean temperature.

---------------------------------------------------------

Interquartile Range Formula: Q3 - Q1

Interquartile Range for August: 10

Interquartile Range for June: 8

---------------------------------------------------------

Median = Mean

June: 82

August: 82

---------------------------------------------------------

Answer: The mean temperature for June is equal to the mean temperature for August.

---------------------------------------------------------

Hope This Helps :)

5 0
3 years ago
Leah is 4 years younger than her sister Layla. If the sum of their ages is 18, how old are Leah and Layla?
dybincka [34]
Leah is 7 and Layla is 11
7 0
3 years ago
Read 2 more answers
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