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babunello [35]
3 years ago
3

which surveys illustrate an example of qualitative data? check all that apply. the time, in minutes, it took students to finish

their exams the eye color of students involved in after-school activities the characteristics of different types of birds the scores on the last exam the weights of different books
Mathematics
2 answers:
Irina-Kira [14]3 years ago
8 0
Examples of qualitative data are:
The eye color of students involved in after-school activities.
The characteristics of different types of birds.
kupik [55]3 years ago
6 0

Answer: The eye color of students involved in after-school activities and  the characteristics of different types of birds are qualitative data.

Step-by-step explanation:

<u>Qualitative data are those data which  cannot be expressed in numbers  and can't actually be measured.</u>

The time, in minutes , it took students to finsh their exams can be measure in terms of number so, it is quantitative data.

The eye color of students involved in after school activities can't be actually measured -So,it is qualitative data.

The characteristic of different types of birds can't be measured in term of numbers at all - So, it is qualitative data.

The score on the  last exam can be measured and expressed in numbers, -So, it is quantitative data.

The weights of different books can also be measured so, it is quantitative data.

Hence, The eye color of students involved in after-school activities and  the characteristics of different types of birds are qualitative data.

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What is the quotient of (x3 3x2 5x 3) Ă· (x 1)? x2 4x 9 x2 2x x2 2x 3 x2 3x 8.
Rina8888 [55]

The quotient of expression is \rm x^2+2x+3.

Given that,

Expression; \rm\dfrac{ (x^3 + 3x^2 + 5x + 3) }{ (x + 1)}

We have to determine,

The quotient of expression?

According to the question,

To determine the quotient of expression following all the steps given below.

Simplify the expression,

\rm =\dfrac{ (x^3 + 3x^2 + 5x + 3) }{ (x + 1)}\\\\= \dfrac{ (x^3 + 2x^2 + 3x + x^2+2x+ 3) }{ (x + 1)}\\\\ = \dfrac{ x(x^2+ 2x+ 3) + 1(x^2+2x+ 3) }{ (x + 1)}\\=  \dfrac{ (x^2+ 2x+ 3) (x+1) }{ (x + 1)}\\\\= x^2+2x+3

Hence, The required quotient of expression is \rm x^2+2x+3.

For more details refer to the link given below.

brainly.com/question/12895249

4 0
3 years ago
Hong hikes at least 1 hour but not more than 4 hours. She hikes at an average rate of 2.7 mph. The function f(t)=2.7t represents
Nimfa-mama [501]
C because its the most best answer.
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4 years ago
For the following amount at the given interest rate compounded​ continuously, find​ (a) the future value after 9 ​years, (b) the
Stella [2.4K]

Answer:

(a) The future value after 9 ​years is $7142.49.

(b) The effective rate is r_E=4.759 \:{\%}.

(c) The time to reach ​$13,000 is 21.88 years.

Step-by-step explanation:

The definition of Continuous Compounding is

If a deposit of P dollars is invested at a rate of interest r compounded continuously for t years, the compound amount is

A=Pe^{rt}

(a) From the information given

P=4700

r=4.65\%=\frac{4.65}{100} =0.0465

t=9 \:years

Applying the above formula we get that

A=4700e^{0.0465\cdot 9}\\A=7142.49

The future value after 9 ​years is $7142.49.

(b) The effective rate is given by

r_E=e^r-1

Therefore,

r_E=e^{0.0465}-1=0.04759\\r_E=4.759 \:{\%}

(c) To find the time to reach ​$13,000, we must solve the equation

13000=4700e^{0.0465\cdot t}

4700e^{0.0465t}=13000\\\\\frac{4700e^{0.0465t}}{4700}=\frac{13000}{4700}\\\\e^{0.0465t}=\frac{130}{47}\\\\\ln \left(e^{0.0465t}\right)=\ln \left(\frac{130}{47}\right)\\\\0.0465t\ln \left(e\right)=\ln \left(\frac{130}{47}\right)\\\\0.0465t=\ln \left(\frac{130}{47}\right)\\\\t=\frac{\ln \left(\frac{130}{47}\right)}{0.0465}\approx21.88

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Answer:

a- 30

Step-by-step explanation:

5 0
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