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rewona [7]
3 years ago
9

In scientific opinion polling, a random sample is used to avoid:

Mathematics
2 answers:
Neporo4naja [7]3 years ago
5 0

Answer:

bias

Step-by-step explanation:

Samples are randomized to ensure that the people polled are representative of the entire population.  If a sample is not representative of the population, it is said to be biased.  Randomization helps to prevent bias.

sergiy2304 [10]3 years ago
4 0
The answer is bias I believe.
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Evaluate (2.4x10^4) (4.5x10^3)
goldfiish [28.3K]

Answer:

108000000x^2

Step-by-step explanation:

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2 years ago
HELP!!!! Order the lengths of the sides of ABC from greatest to least
azamat

The comparison of the lengths of the sides based on the angles are given

by sine rule.

The lengths of the sides from greatest to least are;

  • <u>BC > AC > AB</u>

Reasons:

The given parameters are;

∠A = 78°, ∠B = 56°, ∠C = 46°

By sine rule, we have;

\displaystyle \frac{AC}{sin(56^{\circ})} = \frac{AB}{sin(46^{\circ})} = \frac{BC}{sin(78^{\circ})}

Given that, sin(46°) ≈ 0.719, sin(56°) ≈ 0.829, sin(78°) ≈ 0.978, we have;

sin(78°) > sin(56°) > sin(46°)

Therefore, applying equal proportions of similar ratios, we have;

<u>BC > AC > AB</u>

Learn more about sine rule here:

brainly.com/question/7591047

6 0
2 years ago
- Find the slope with the given coordinates. (-3,1) (6,7)
erastovalidia [21]

Answer:

Slope=2/3

Step-by-step explanation:

slope is rise over run so you do y^2-y^1/x^2-x^1 which in this case would get you 7-1/6-(-3) that gives you 6/9 which simplifies to 2/3

8 0
2 years ago
[Help Asap, Will Mark Brainliest] Angle JKL is a right angle. The measure of angle JKM is 25 degrees. The measure of angle MKL i
Semmy [17]
I hope I’m not wrong, but I think it’s 65
5 0
2 years ago
Read 2 more answers
Paul has a collection of nickels and
VARVARA [1.3K]

Answer:

#nickels = 50

#dimes = 100

Step-by-step explanation:

system of equations:

n + d = 150

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let n = '150 - d' and substitute this into the second equation

.05(150-d) + .10d = 12.5

7.5 - .05d + .10d = 12.5

.05d = 5

d = 5/.05

d = 100

n = 50

4 0
3 years ago
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