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N76 [4]
3 years ago
9

Great Gummies wants to see if their new candy is enjoyed more by high school or middle school students. They decide to visit one

middle school and one high school in Hollywood, CA. After interviewing the students at each school, they determine that middle school students like their candy more than the high school students do. What is the sample of the population?
A) All students who attend middle school or high school in the country
B)All students who attend middle school or high school in Hollywood, CA
C)All students who attend middle school or high school in California
D)All students who attend one middle school and one high school in Hollywood, CA
Mathematics
2 answers:
Leviafan [203]3 years ago
8 0
The correct option is D.
Population sampling is the act of taking a sample of subjects, which are representative of an entire population. Population sampling has to be done because it is always impossible to test all the members of a population. In the question given above, we are told that Great Gummies went to two schools located at Hollywood, California. These two schools represent the sample of the population of high school and middle school students.  
wariber [46]3 years ago
4 0
I would say D because you can not have a sample size of every student in a city, state, or country
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3 0
3 years ago
Consider the following series. 1 4 + 1 8 + 1 12 + 1 16 + 1 20 Determine whether the series is convergent or divergent. Justify y
patriot [66]

Answer:

The series diverges

Step-by-step explanation:

First, let's find the sequence:

4, 8, 12, 16, 20,...,

As we can see, they are multiples of 4, so one possible sequence is:

4,8,12,16,20,...,=4n\hspace{8};\hspace{3}n\in Z

Hence, we can represent the series as:

$$\sum_{n=1}^{\infty} 4n

Let's use the zero test which states:

$$\Sigma a_n$$\\Diverges\hspace{3}if\\\\ \lim_{n \to \infty} a_n \neq 0

So:

\lim_{n \to \infty} 4n= 4 \lim_{n \to \infty} n\\ \\ \lim_{n \to \infty} n=\infty\\ \\4\infty= \infty\\\\Hence\\\\ \lim_{n \to \infty} 4n=\infty

Therefore, by the zero test, the series diverges

3 0
3 years ago
Two chords intersect at a point inside a circle that is not the center of the circle. Which statement must be true?
Illusion [34]

Answer:

The sum of the measures of each pair of vertical angles is equal

to the sum of the measures of the intercepted arcs

Step-by-step explanation:

* Lets study this rule :Angles of Intersecting Chords Theorem.

- If two chords intersect inside a circle, then the measure of the

 angle formed is one half the sum of the measure of the arcs

 intercepted by the angle and its vertical angle.

Ex: Look to the attached figure:

- QS and PR are 2 chords intersect each other inside the circle

- ∠1 subtended by arc PQ , ∠3 subtended by the arc RS

- ∠2 subtended by arc RQ , ∠4 subtended by the arc PS

∴ m∠1 = [measure of arc PQ + measure of arc RS]/2

∴ m∠2 = [measure of arc QR + measure of arc PS]/2

∴ 2m∠1 = measure of arc PQ + measure of arc RS

∴ 2m∠2 = measure of arc QR + measure of arc PS

∵ m∠1 = m∠3 ⇒ vertically opposite angles

∵ m∠2 = m∠4 ⇒ vertically opposite angles

∴ m∠1 + m∠3 = 2m∠1

∴ m∠2 + m∠4 = 2m∠2

∴ m∠1 + m∠3 = measure of arc PQ + measure of arc RS

∴ m∠2 + m∠4 = measure of arc QR + measure of arc PS

* From all above

- The sum of the measures of each pair of vertical angles is equal

 to the sum of the measures of the intercepted arcs

5 0
3 years ago
Read 2 more answers
For the equation y = 7x – 2, what is the rate of change? What does it mean? EXPLAIN YOUR ANSWER IN SIMPLE TERMS PLEASE!
Andrei [34K]

Answer:

slope is 7

Step-by-step explanation:

the rate of change is the slope

in the general equation y = mx + b

x and y are point coordinates (x,y)

b is the y intercept

m is the slope

this is the rate at which the points are changing essentially

a larger slope will produce a steeper line

a negative slope will produce a line pointed downward

a smaller slope will produce a flatter line

3 0
3 years ago
EASY AND BRAINLIEST!!!!
nirvana33 [79]

Answer:

6x-4y=15

Step-by-step explanation:

step 1

Find the slope of line L

we know that

If two lines are perpendicular, then their slopes are opposite reciprocal

In this problem we have

2x + 3y = 5

Isolate the variable y

3y = -2x+5\\y=-(2/3)x+(5/3)

The slope of the given line is

m=-2/3

so

The slope of the Line L is

m=3/2

step 2

Find the x-intercept of the line

2x + 3y = 5

The x-intercept is the value of x when the value of y is equal to zero

so

For y=0

2x + 3(0) = 5\\x=5/2

The x-intercept is the point (5/2,0)

step 3

Find the equation of the line L

Find the equation of the line in point slope form

y-y1=m(x-x1)

we have

m=3/2\\point (5/2,0)

substitute

y-0=(3/2)(x-5/2)

y=(3/2)x-(15/4)

Convert to standard form

AX +By+C

where

A is a positive integer

B and C are integers

Multiply both sides by 4

4y=6x-15\\6x-4y=15

3 0
4 years ago
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