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sesenic [268]
3 years ago
12

What is the quotient (3x2 + 8x − 3) ÷ (x + 3

Mathematics
2 answers:
Margarita [4]3 years ago
6 0
I found two answers
1. x=-1/3
2. x=3
pishuonlain [190]3 years ago
5 0

Answer:

3x-1

Step-by-step explanation:

             3x-1

(x+3)\sqrt{3x^2+8x-3}

          -3x^2-9x

                     -x-3

                     +x+3

                              0

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The math department faculty at a large university wanted to know what portion of the student body believes students should be ab
Leya [2.2K]

Answer:

The population of interest for this student is the students whom are enrolled in statistics classes.

Step-by-step explanation:

Sampling

This is a common statistics practice, when we want to study something from a population, we find a sample of this population.

For example:

I want to estimate the proportion of New York state residents who are Buffalo Bills fans. So i ask, lets say, 1000 randomly selected New York state residents wheter they are Buffalo Bills fans, and expand this to the entire population of New York State residents.

The population of interest are all residents of New York State.

A simple random sample of 500 students was selected from all the students enrolled in statistics classes.

This means that the population of interest for this student is the students whom are enrolled in statistics classes.

3 0
3 years ago
Can you give me equation where x=16
Mashcka [7]
x = 16 in the following equations:
8 × 2 = x
8 + 8 = x
4 × 4 = x

In the following equations, x = 16:
2x = 32
<em>32 ÷ 2 = x = 16
</em>x + 5 = 21
<em>21 - 5 = x = 16</em>
6 0
3 years ago
Approximate each irrational number to the nearest thousandth. <br> ✔5<br> ✔19<br> ✔99<br> ✔42
xenn [34]

Answer:

look down

Step-by-step explanation:

the square root of 5 is : 2.2360679775

rounded to the nearest thousandth is 2.236

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the square root of 19 is: 4.35889894354

rounded to the nearest thousandth is 4.359

__________________________________

the square root of 99 is: 9.94987437107

rounded to the nearest thousandth is 9.950

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the square root of 42 is: 6.48074069841

rounded to the nearest thousandth is 6.481

hope this helps :)

5 0
3 years ago
Jayla recently accepted a new job earning $15.50 per hour. Last month, Jayla earned $2294 after four weeks of work. How many hou
V125BC [204]

Assuming the pay last month was from Jayla's new job, it represents pay for weekly hours of ...

\dfrac{\$2294}{4\,week}\times\dfrac{1\,hours}{\$15.50}=37\,\dfrac{hours}{week}

Jayla worked an average of 37 hours each week.

4 0
3 years ago
The concentration of a drug in the bloodstream C(t) at any time t, in hours, is described by the equationC(t)=100t/t^2+25where t
alisha [4.7K]

Answer:

It will take 5 hours until it reaches its maximum concentration.

Step-by-step explanation:

The maximum concentration will happen in t hours. t is found when

C'(t) = 0

In this problem

C(t) = \frac{100t}{t^{2} + 25}

Applying the quotient derivative formula

C'(t) = \frac{(100t)'(t^{2} + 25) - (t^{2} + 25)'(100t)}{(t^{2} + 25)^{2}}

C'(t) = \frac{100t^{2} + 2500 - 200t^{2}}{(t^{2} + 25)^{2}}

C'(t) = \frac{-100t^{2} + 2500}{(t^{2} + 25)^{2}}

A fraction is equal to zero when the numerator is 0. So

-100t^{2} + 2500 = 0

100t^{2} = 2500

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t = \pm \sqrt{25}

t = \pm 5

We use only positive value.

It will take 5 hours until it reaches its maximum concentration.

4 0
3 years ago
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