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leonid [27]
3 years ago
6

What is the sum?

Mathematics
1 answer:
gavmur [86]3 years ago
5 0

Answer:

The answer is option D.

Step-by-step explanation:

First we must first find the LCM

the LCM of x² - 9 and x + 3 is x² - 9

So we have

\frac{3}{ {x}^{2} - 9 }  +  \frac{5}{x + 3}  =   \frac{3 + 5(x - 3)}{ {x}^{2}  - 9}  \\  \\  =  \frac{3 + 5x - 15}{(x + 3)(x - 3)}    \\  \\  = \frac{5x - 12}{(x +  3)(x - 3)}

Hope this helps you

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Wingspans of adult horses have approximate normal distribution with mean 125 cm and standard deviation 12 cm. What are the rst a
blagie [28]

Answer:

The first and third quartile of the wingspans are 116.9 cm and 133.1 cm respectively.

Step-by-step explanation:

The first and third quartile of a normal distribution are:

Q_{1}=\mu-0.675\sigma\\\\Q_{3}=\mu+0.675\sigma

The information provided is as follows:

\mu=125\\\sigma=12

Compute the first and third quartile of the wingspans as follows:

Q_{1}=\mu-0.675\sigma=125-(0.675\times 12)=116.9\\\\Q_{3}=\mu+0.675\sigma=125+(0.675\times 12)=133.1

Thus, the first and third quartile of the wingspans are 116.9 cm and 133.1 cm respectively.

7 0
3 years ago
An artist painted a scale model of one of her paintings using a scale in which 5 inches represents 50 feet the actual height of
matrenka [14]

Answer:

5400

Step-by-step explanation:

5 0
3 years ago
For those who love math i need help!! Will give Brainliest
Vlad [161]

Answer:

B, C and D have a different price.

E has the same price.

Step-by-step explanation:

8 0
2 years ago
Plz answer this for x
nirvana33 [79]
HEY THERE !!

AS WE KNOW A HEXAGON'S ALL ANGLES ARE 720°

SO HERE X = 720° - all rest angle's add

or 160+75+132+113+108= 588
x = 720 - 588
x = 132 °

HOPE IT HELPED YOU
4 0
4 years ago
Edenuity Quiz
lesya [120]

Answer:

C?

Step-by-step explanation:

A) Jared makes x of a goodie bag per hour. How many

can he make in y of an hour?

B) Jared makes x of a goodie bag per hour. How many

can he make in y of an hour?

C) Jared has x of an hour left to finish making goodie  bags. It takes him y of an hour to make each goodie  bag. How many goodie bags can he make?

D) id k

Quotient is the answer to a division problem, so we need to find a problem that needs to divide x and y to find the answer. It isn't A or B, since they are asking for y, not the quotient. I have no idea what D is. C makes sense, so C might be the answer.

It tells us how much time he has(x), and how long it takes him to make 1 bag(y), and we need to find the answer, which is the quotient.

So C is the answer.

---

hope it helps

4 0
3 years ago
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