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3 years ago

Which of the following techniques involves the study and consolidation of historical data for a business and an industry?

Mathematics

1 answer:

Kobotan [32]3 years ago

7 0

Answer:

Descriptive Analytics

Explanation:

Descriptive analytics is the elucidation of authentic information based on historical data to all the more likely comprehend changes that have happened in business.

Descriptive analytical examination portrays the utilization of a scope of historical information to draw correlations.

Distinct investigation are valuable since they enable us to gain from past practices, and see how they may impact future results. Most by far of the statistics we use fall into this class. It is one of the oldest use methods.

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PLEASE HELP ASAP!!!!!!!!

steposvetlana [31]

Answer:

4.6.

Step-by-step explanation:

The rocket hits the ground when h(t) = 0. So

$-16t^{2} + 72t + 7 = 0$

Solving a quadratic equation:

Given a second order polynomial expressed by the following equation:

$ax^{2} + bx + c, a\neq0$ .

This polynomial has roots $x_{1}, x_{2}$ such that $ax^{2} + bx + c = a(x - x_{1})*(x - x_{2})$ , given by the following formulas:

$x_{1} = \frac{-b + \sqrt{\bigtriangleup}}{2*a}$

$x_{2} = \frac{-b - \sqrt{\bigtriangleup}}{2*a}$

$\bigtriangleup = b^{2} - 4ac$

In this question:

$-16t^{2} + 72t + 7 = 0$

$a = -16, b = 72, c = 7$

Then

$\bigtriangleup = 72^{2} - 4*(-16)*7 = 5632$

$t_{1} = \frac{-72 + \sqrt{5632}}{2*(-16)} = -0.1$

$t_{2} = \frac{-72 - \sqrt{5632}}{2*(-16)} = 4.6$

Time is a positive measure, so the answer is 4.6.

6 0

3 years ago

A patient has been ordered medication Cat a dosage of 3680 mg/day. The dosage available is 425 mg each scored tablets. • How man

Tema [17]

Answer:

about 8 2/3
11 pm

Step-by-step explanation:

The required dosage in terms of tablets is ...

3680 mg = (3680 mg)/(425 mg/tab) = 8.66 tabs

We don't know how the tablets are "scored", but in my experience they have a groove that facilitates them being cut in half.

We expect the nurse will administer 8 1/2 tablets per day, for a dose of 3613 mg, slightly short of the ordered 3680 mg.

9 doses will be administered over 8 time intervals of 2 hours, so will take until 16 hours after 7 am. The last (1/2) dose will be at 0700 +1600 = 2300 hours, or 11 pm.

3 0

3 years ago

Which of the statements using operations on rational or irrational numbers always results in a rational number?

-BARSIC- [3]

<h3>Hm a irrational number is a number like this:</h3>

$1.999999\inf$

So adding a rational number, like 2, it would be irrational still:

$2+1.999999\inf=3.999999\inf$

That being said, answer C is wrong

Now, what is 2/2? Or 4/1? Whole numbers are one of the 3 types of rational numbers.

$2\ /\ 2=1\\\\4\ / 1=\ 4$

Thus the answer appears to be D

Now lets use the process of elimination to double check the answer:

The wording of your question is what will help us out here:

Which of the statements using operations on rational or irrational numbers <u>always results </u>in a <u>rational number?</u>

Because of that, any of the choices that involve a irrational number can result with another irrational number like so:

$a)\ 1.999\inf+ 1.999\inf=3.888\inf\\\\b)\ 2.999\inf / 1.999\inf= 1.50025\inf$

And there you go, the only answer that hasn't been proven wrong is answer D.

<h3>Now, if you like this answer and would like to see more please make sure to Like, Comment, and Rate this answer! Also, be sure to send me a friend request, I'm always up for a Challenge!</h3><h2>Thanks!</h2>

8 0

3 years ago

A soft-drink vending machine is supposed to pour 500ml of the drink

guajiro [1.7K]

the answer is on chegg

4 0

3 years ago

Read 2 more answers

CHALLENGE FOR YOU COLLEGE PEOPLE<br> What is (5a -7b + 3) + (2a - 6b + 5c - 12)?

Angelina_Jolie [31]

Answer:

7a-13b+5c-9