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3 years ago

___________is an expected error based only on the observations limited to a sample taken from a population

Mathematics

1 answer:

IgorLugansk [536]3 years ago

3 0

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▹ Answer

1. Sampling error

▹ Step-by-Step Explanation

A sampling error is an error in statistics. This means that not the whole population is given a chance to be sampled, which results in this error.

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Brainliest is greatly appreciated!

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Line d passes through points (3, 4) and (8, 10). Line e is perpendicular to d. What is the slope of line e?

Mashutka [201]

Answer:

The slope of line e is -5/6

Step-by-step explanation:

The slope of line d that passes through (3,4) and (8,10) is 6/5. To find the slope of a perpendicular line you simply change the sign and flip the numerator and denominator.

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4 years ago

Find the value of x. Round to the nearest tenth.

denpristay [2]

Answer:

$\displaystyle x \approx 38.2 ^{\circ}$

General Formulas and Concepts:

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Parenthesis
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Pre-Calculus

Law of Sines: $\displaystyle \frac{sin(A)}{a} =\frac{sin(B)}{b} =\frac{sin(C)}{c}$

A, B, C are angle measures
a, b, c are leg lengths

Step-by-step explanation:

Step 1: Identify

A = 27°, a = 11

B = x°, b = 15

Step 2: Solve for x

Substitute [LOS]: $\displaystyle \frac{sin(27^{\circ})}{11} =\frac{sin(x^{\circ})}{15}$
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3 years ago

4=36/5 +c what is c?

const2013 [10]

Answer:-16/5

Step-by-step explanation:

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3 years ago

Read 2 more answers

Triangle XYZ was dilated by a scale factor of 2 to create triangle ACB and tan ∠X = 5 over 2 and 5 tenths

Bond [772]

Answer:

C. AB/XY = AC/XZ

Step-by-step explanation:

Dilation:

A dilation is a transformation that produces an image that is the same shape as the original, but is a different size. The original figure either stretches or shrinks by a certain factor.

In the problem, the dilation is by a factor of 5 and we can see that ABC shrinks to form XYZ.

So, ABC and XYZ are similar triangles which means that the ratio of their corresponding sides will be equal:

AB/XY = AC/XZ = BC/YZ = 5

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Step-by-step explanation:

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3 years ago

Please helppppp me Idk how to answer this

BARSIC [14]

C. Plug in 0 into the equation
y = (0)^2 + 10
y = 10
It would be (0,10)

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3 years ago