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alexandr1967 [171]
2 years ago
15

A construction company uses the function f(x), where x is the number of people working on a project, to model the amount of mone

y it spends to complete a project. What would a reasonable domain be?
All integers
Real numbers
Positive real integers
Positive integers
Mathematics
2 answers:
Liono4ka [1.6K]2 years ago
8 0

Answer:

  • Positive integers

Step-by-step explanation:

The domain is the people and the range is the money spent

People would be counted as positive integers, only the last answer choice considers this.

<u>So the answer is:</u>

  • Positive integers
Neko [114]2 years ago
6 0

<em><u>Answer:</u></em>

<em><u>Please use "^" to denote exponentiation:  f(x) = x^2 + 3x + 5. </u></em>

<em><u> </u></em>

<em><u>Because this is a polynomial, the domain consists of the set of all real numbers. </u></em>

<em><u></u></em>

<em><u>Step-by-step explanation:</u></em>

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Which of the following is not true?
Natasha2012 [34]

Answer:

d) 1/2 ÷ 4 = 1/2 • 4/1

Step-by-step explanation:

when dividing fractions use keep change flip (keep the first fraction, change the sign to multiplication, flip the second fraction)

when multiplying just multiply straight across

6 0
3 years ago
7. (05.02 MC)
Diano4ka-milaya [45]

Considering the Central Limit Theorem, we have that:

a) The probability cannot be calculated, as the underlying distribution is not normal and the sample size is less than 30.

b) The probability can be calculated, as the sample size is greater than 30.

<h3>What does the Central Limit Theorem state?</h3>

It states that the sampling distribution of sample means of size n is approximately normal has standard deviation s = \frac{\sigma}{\sqrt{n}}, as long as the underlying distribution is normal or the sample size is greater than 30.

In this problem, the underlying distribution is skewed right, that is, not normal, hence:

  • For item a, the probability cannot be calculated, as the underlying distribution is not normal and the sample size is less than 30.
  • For item b, the probability can be calculated, as the sample size is greater than 30.

More can be learned about the Central Limit Theorem at brainly.com/question/16695444

#SPJ1

8 0
2 years ago
NO LINKS Write an inequality to represent the phrase: The sum of a number and seven less than a number
german

Answer:

The sum of a number, which I have named 'n', and 7 can be written as the expression:

n+7

remember the word 'is' in a written problem indicates where you'll most likely use an =,≥,≤ sign. Since they say that it is 'no more than' we know that n+7 is less than or equal to the given number, so we use '≤'.

n+7≤ 1

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Find the length of the third side. If necessary, round to the nearest tenth
Rina8888 [55]

Answer:

x=14.28

Step-by-step explanation:

24^2+x^2=28^2, Pythagorean theorem

x^2=28^2-24^2

x^2=(28+24)(28-24)

x^2=52*4

x^2=204

x is around 14.28

3 0
2 years ago
What is 5x+3 subtracted from 3x-6
Vikki [24]
The answer is 2x-3 :))((
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3 years ago
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