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bagirrra123 [75]
3 years ago
9

Identify the population. Determine whether each sample is a random sample or a biased sample.

Mathematics
2 answers:
mario62 [17]3 years ago
8 0
This is a Biased sample
djverab [1.8K]3 years ago
5 0

Answer:

Biased Sample

Step-by-step explanation:

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If C = 2m2 + m and D = 2 – 6m + 2m², find an expression that equals<br> 2C - 2D in standard form.
lidiya [134]
C = 2m^2 + m
D = 2 - 6m + 2m^2

2C = 2(2m^2 + m) = 4m^2+2m
2D = 2(2-6m+2m^2) = 4-12m+4m^2

2C - 2D =
4m^2+2m-(4-12m+4m^2) =
4m^2+2m-4+12m-4m^2 =
0m^2 + 14m -4 =
14m - 4
3 0
3 years ago
0.403 divided by 100 what is the quotient
Alja [10]

Answer: 0.403 / 100 = 0.00403


Hope this helps ♥️

4 0
2 years ago
Open or closed circle?<br><br>What is the answer for the number line?<br><br>What is the solution?
Amanda [17]

To isolate m, we'll multiply both sides by 8.

We go from m/8 < 4 to m < 32

This describes any number smaller than 32. We aren't including 32 itself, so we have an <u>open circle</u> at 32 on the number line. The <u>shading is to the left</u> since everything to the left of 32 is smaller than 32.

3 0
3 years ago
Worth 10pts!!! Can someone help?
gulaghasi [49]

Answer:

-4

Step-by-step explanation:

The average rate of change of the interval [a,b] is (f(b)−f(a)) / (b−a)

Replacing a=−5, b=4, f(x)=−x^2−5x+12.

 (f(b)−f(a))/(b−a) =12−5x4− 4^2 − (12−5 x(−5)−(−5)^2)/ (4−(−5))= −4.

3 0
3 years ago
80 kilometers divided by 0.5 hours
Fiesta28 [93]

Answer:

160 kilometers / hour

Step-by-step explanation:

Just do 80 kilometers / 0.5 hours

7 0
3 years ago
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