1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Andrews [41]
2 years ago
11

A sample is generated from a population of 20 items. Each of the 20 items are given a label, and a 20-sided die is rolled 3 time

s to determine which 3 items are in the sample. This is an example of a __________.
A. systematic sample
B. random sample
C. convenience sample
D. self-selecting sample
Mathematics
1 answer:
pochemuha2 years ago
3 0

Answer:

Option B, random sample

it should be the answer

You might be interested in
Question 3: Which of the following constructions would help to construct a line passing through point C that is perpendicular to
lakkis [162]

Answer:

Construction of a perpendicular bisector through C

Step-by-step explanation:

i just did the problem and put in that answer on bakpax and got it right

3 0
3 years ago
Simplify <br><img src="https://tex.z-dn.net/?f=%20%20%5Csqrt%7B%20-%20180%7D%20" id="TexFormula1" title=" \sqrt{ - 180} " alt="
QveST [7]

Answer: (6\sqrt{5})i

This is the same as saying 6i\sqrt{5}

====================================================

Work Shown:

\sqrt{-180} = \sqrt{-1*36*5}\\\\\sqrt{-180} = \sqrt{-1}*\sqrt{36}*\sqrt{5}\\\\\sqrt{-180} = i*6*\sqrt{5}\\\\\sqrt{-180} = 6i\sqrt{5}\\\\\sqrt{-180} = (6\sqrt{5})i\\\\

where i = \sqrt{-1}

As the steps show above, the idea is to factor the radicand into smaller pieces where one of those pieces is the largest perfect square possible. In this case, 36 is the largest factor of 180 that's a perfect square. Then I used the rule \sqrt{A*B} = \sqrt{A}*\sqrt{B} to break up the root.

The parenthesis used at the very end is to help separate the 6\sqrt{5} from the i term. The "i" is not under the square root.

4 0
3 years ago
(4/2)^2*3.4*4
Andrej [43]
The original expression evaluates to 54.4 as shown in the first working.

_____
For some reason, 3.4 got transcribed to be 1.7 in the 3rd line of the second working. There is no math operation in the expression that requires 3.4 to be divided by 2.
7 0
3 years ago
Read 2 more answers
What times what equals 120 and adds up to 14
sesenic [268]
No solution; 14/2 = 7; 7^2 = 49; 49 < 120
the 2 numbers that add up to 14 that would give the largest product is less than 120
maybe you mean 120 is negative?
idk i might be wrong
3 0
3 years ago
Which of the following is not a way to quality check a source?
DiKsa [7]

Answer:

Popularity

Step-by-step explanation:

That many people like or have seen a source does not mean it is correct.

6 0
3 years ago
Read 2 more answers
Other questions:
  • The volumes of two similar figures are 343 mm3 and 512 mm3. If the surface area of the larger figure is 192 mm2, what is the sur
    13·2 answers
  • 2357111317 what is the next number
    14·1 answer
  • Your bank account has a balance of −$12. You deposit $60. What is your new balance?
    9·1 answer
  • Slope Intercept form can someone please help me I am so confused
    13·1 answer
  • The coordinate grid above shows a pentagon. The pentagon is translated 1 unit to the left and 10 units down to create a new pent
    15·1 answer
  • 2. (a) A computer can be bought on hire pur-
    11·1 answer
  • Two numbers are in the ratio 3:7
    10·1 answer
  • The measures of the angles of a triangle are shown in the figure below. Solve for x.
    6·1 answer
  • Determine if the sequence is geometric. If it is, find the common ratio. ( -4, 12, -36, 108, ... )
    9·1 answer
  • help me out with this question (geometry)
    15·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!