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Hunter-Best [27]
3 years ago
11

A gym is considering changing its operating hours at multiple locations in a city. The gym management wants to know what percent

of its 4367 members would utilize the new hours of operation, so they plan to survey 500 members.
What is the best way to randomly choose these 500 members?

Let the gym management decide which members should be surveyed.

Enter all members' names into a computer software program that will randomly pick the 500 members.

Pick a letter from the alphabet and the first 500 members whose first or last name begins with that letter will be in the survey.

Choose the 500 members who have the highest attendance rates in the gym.4

Mathematics
2 answers:
Marrrta [24]3 years ago
5 0
You don't need the names since there is 4367, and that would only be about 1/9th of the whole amount of members, so b is out of the question. you need average people to make it, so d is out of the question, and picking a random letter out of the alphabet is as arbitrary as a, but you are adding the effect of Inconsistency so I would say Let the gym management decide which members should be surveyed is the right answer
Anni [7]3 years ago
3 0

The correct answer was:

Enter all members' names into a computer software program that will randomly pick the 500 members.

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A business buys a computer for $3,000. After 4 years the value of the computer is expected to be $250. The value, v, can be rela
yuradex [85]

You are given two points in the linear function. At time 0 years, the value is $3000. At time 4 years, the value is $250. This means you have points (0, 3000) and (4, 250). You need to find the equation of the line that passes through those two points.

y = mx + b

m = (y2 - y1)/(x2 - x1) = (3000 - 250)/(0 - 4) = 2750/(-4) = -687.5

Use point (0, 3000).

3000 = -687.5(0) + b

b = 3000

The equation is

y = -687.5x + 3000

Since we are using points (t, v) instead of (x, y), we have:

v = -687.5t + 3000

Answer: d. v = -687.50 t + 3,000

6 0
3 years ago
What's the answer to 1&2 plzz
Alexeev081 [22]
The first one is A.    And Sowy but meh don't know the second one... 
5 0
3 years ago
A family has an annual income of ​$30,600 Of​ this, 1/4 is spent for​ food, 1/5 for​ housing, 1/10 for​ clothing, 1/9 for​ savin
Ksenya-84 [330]

Answer:

$6,120

Step-by-step explanation:

1/5 (one-fifth) of the family's annual income ($30,600) is spent on housing- as the word problem states.

You have to find 1/5 (one-fifth) of* $30,600.

Write it out as an equation.

\frac{1}{5}  \times 30600

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4 0
2 years ago
Write the function for the graph
Kruka [31]

Answer:

Option A is correct.

The function for the given graph is;

f(x)=2\cdot 4^x

Step-by-step explanation:

An exponential function is in the form of y =ab^x ......[1] where a is the initial value and b≠ 0 , b >1 .

Given two points as shown in figure i.e,

let A = (0, 2) and B = (1,8)

Substitute these points in equation [1] we have;

For A = (0,2)

2 = ab^0 = a

⇒ a = 2

and

for B = (1, 8)

8 = ab^1

or

ab = 8

Substitute the value of a=2 in above equation to solve for b;

2b = 8

divide both sides by 2 we get;

b = 4

Then, the function for the graph is, y=f(x)=2\cdot 4^x


3 0
2 years ago
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