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Julli [10]
3 years ago
11

An employee at a gym wants to select a random sample of gym members for a survey about their exercise habits.

Mathematics
2 answers:
Scrat [10]3 years ago
6 0

Answer:

no no yes yes

Step-by-step explanation:

34kurt3 years ago
5 0

Answer:

No, no, yes, no

Step-by-step explanation:

The first one is not random.  He is sampling only the earliest gym goers.

The second one is not random.  He is sampling only from one zip code.

The third one is random.  He is using a random number generator.

The fourth one is not random.  He is sampling only volunteers.

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Jenny borrowed money from her mother to help pay for some bills. Her mother told her that she could borrow $1,200 at an interest
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Answer:

1,287

Step-by-step explanation:

makatulong ba o hindi

3 0
2 years ago
Which line on the graph represents the equation y=3x-2
Vika [28.1K]

Answer:

Line A.

Step-by-step explanation:

When you put x as zero into 3x-2, you get 3(0)-2. That equals -2. Therefore, y = -2. When x=0, that is the y-intercept, so the y-intercept is -2. Line A crosses the y-axis at -2, so line A has that y-intercept.

Slope is always y/x. On a graph, that is the number of squares UP over the number of squares ACROSS. Counting, we get, 3 squares up over 1 square across for line A. 3/1= 3. The slope is the number we multiply by x. In the equation, that is 3, because we see 3x, and no sign or space between 2 numbers automatically means we multiply. So line A also has the correct slope.

In linear equations (straight lines), the same slope and y-intercept are enough to tell you that the equation matches the line.

Therefore, the answer is A!

5 0
3 years ago
a farm raises cows and chicken the farm has a total of 42 animals one day he counts the legs of all of animals and realizes he h
Varvara68 [4.7K]
The answer is seventy two
7 0
3 years ago
Find two positive nontrivial solutions of x^2-Ny^2=1 when N is 15, 7, or 99
Pavel [41]

Hello,


if n=15: (4,1),(31,8),(244,63)


if n=7: (8,3),(127,48),(2024,765)


if n=99: (10,1),(199,20),(3970,399)


(Pell 's equation)


Download xls
8 0
3 years ago
Read 2 more answers
Convert the following standard form equation into slope-intercept form:<br> 6x + 5y = -15
olasank [31]

Answer:

y=\frac{-6){5}x-3

Step-by-step explanation:

given 6x+5y=-15

   5y=-6x-15

y=\frac{-6}{5}x-\frac{15}{5}

y=\frac{-6}{5}x-3

slope=[tex]\frac{-6}{5}[tex], intercept=-3

6 0
3 years ago
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