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Ket [755]
2 years ago
15

Random error is: A. an outside influence that affects the true score in a consistent way. B. the extent to which a measure will

produce the same results each time it is used. C. the extent to which a research method measures what it is intended to measure. D. unsystematic influence on the true score.
Mathematics
1 answer:
k0ka [10]2 years ago
5 0
D is the answer, i just done this one
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20% of the students in Mrs. Smith's class are in art club, how many students are in the entire class?
Fynjy0 [20]
There needs to be more information to solve this question.
6 0
2 years ago
What is the Co ordinates to fill in the grid in the top left?
wolverine [178]

Answer:

a ) x = - 3, y = 5

x = 0, y = 2

x = 5, y = - 3

b ) you should draw the line by marking the coordinates in the graph, then draw a straight line passing through all those three points.

Step-by-step explanation:

y = 2 - x

When x = - 3,

y = 2 - x

= 2 - ( - 3 )

= 2 + 5

y = 7

When x = 0,

y = 2 - x

= 2 - 0

y = 2

When x = 5,

y = 2 - x

= 2 - 5

y = - 3

b ) you should draw the line by marking the coordinates in the graph, then draw a straight line passing through all those three points.

3 0
2 years ago
1. (-12,-5) Hypotenuse: 13, use these to solve for sin, cos, tan​
DedPeter [7]

Answer:

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5 0
3 years ago
If a/b = 3 and a + b = 2, what is a - b​
dusya [7]
The answer is a-b with a corpondes triceptulas which =a+2+b+2 which septulases answer to 4a-b+a-b
7 0
3 years ago
Read 2 more answers
A perfect square is the square of an integer. Of the integers from 2 through 99, how many have at least one perfect square facto
N76 [4]

Answer:

Six numbers have perfect square factors

Step-by-step explanation:

The numbers with perfect square factors are those numbers that have perfect squares as one of the numbers that can divide them.

They include:

4 = 2 * 2

16 = 4 * 4

36 = 6 * 6

49 = 7 * 7

64 = 8 * 8

81     = 9* 9

These numbers above have perfect square factors because they are formed from integers that multiply themselves.

8 0
3 years ago
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