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melamori03 [73]
3 years ago
9

A school cafeteria wants to survey a random sample of 50 students about the quality of food. During one lunch period, every 5th

student who walks through the cafeteria door is surveyed until 50 students are selected. Which of the following statements is true about this sample?
Mathematics
1 answer:
Kitty [74]3 years ago
6 0

Answer:

B

Step-by-step explanation:

You might be interested in
10 points! What is 2*2*4+(7+5*3^2)=
Sunny_sXe [5.5K]
2×2×4+(7+5×3²)=16+(7+45)=68.
The answer is 68
3 0
3 years ago
Which of the following represents a function
Oksana_A [137]

Answer:

(2,3),(4,3),(-2,-3),(-4,-3)

Step-by-step explanation:

A function is defined as a relation in which each domain element (x-value) is paired with exactly one range element (y-value).

This means that each value we input for x must have only one possible output. If the same x-value yields more than one y-value, it is not a function.

The correct answer, as shown above, meets the criteria of a function, as each x-value is shown to produce exactly one y-value. In this set of ordered pairs, if x = 2, then y = 3, and if x = -2, then x = -3.

A set of ordered pairs is not a function if there are ordered pairs with the same x-values but different y-values.

In the other sets of ordered pairs, one x-value has more than one possible y-value. Let's use the last set as an example:

(5,1),(5,2),(5,3),(5,4)

Inputting 5 as x produces four different y values; there is no one y value for the x-value. y could equal 1, 2, 3, or 4.

6 0
1 year ago
PLZ HELP!! Select the correct answer.
stiv31 [10]

Answer:

the answer is x=-9

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Use Synthetic Division to divide (3x3 + x2 – 4) by (x + 2).
Kitty [74]
X - 2 + 9 OVER x + 2.
in other words x - 2 + 9 /x + 2
4 0
2 years ago
Given that the point (-2,8) is on the graph of an equation that is symmetric with respect to the x-axis, what other point is on
arlik [135]
(-2, -8) Imagine the point (-2,8) being reflected in a mirror, where the x axis is the mirror. Since the point is 8 above the x axis, the reflected point will be 8 below.
5 0
2 years ago
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