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mihalych1998 [28]
3 years ago
6

You want to find out what the country's favorite holiday is so you send all of your family members an email that they return ind

icating their favorite holiday. Is this an example of random sampling or biased sampling?
Mathematics
1 answer:
aniked [119]3 years ago
3 0

Answer:

This is somewhere in between because you chose the participants in the sample, but I think that it is still random sampling.

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seropon [69]

The <u><em>correct answer</em></u> is:

The equation is 7(c-0.75) = 2.80, and the regular price of a cookie is c = $1.15.

Explanation:

c is the regular price of a cookie. We know that today they are $0.75 less than the normal price; this is given by the expression c-0.75.

We also know if we buy 7 of them, the total is $2.80. This means we multiply our expression, c-0.75, by 7 and set it equal to $2.80:

7(c-0.75) = 2.80

To solve, first use the distributive property:

7*c-7*0.75 = 2.80

7c-5.25 = 2.80

Add 5.25 to each side:

7c-5.25+5.25 = 2.80+5.25

7c = 8.05

Divide each side by 7:

7c/7 = 8.05/7

c = $1.15.

7 0
3 years ago
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Maru [420]
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3 years ago
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ella [17]

Answer:

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7 0
3 years ago
Family paid $24,000 as a down payment for a home if this represents 12% of the price of the home, find the price of the home.
gizmo_the_mogwai [7]

Answer:

$200,000

Step-by-step explanation:

Down payment = $24,000

Given that $24,000 is 12% of the price.

12% = $24000

1% = 24000 ÷ 12 = $2000

Price of the house

= 2000 x 100%

= $200,000

8 0
3 years ago
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The height of the water in a tank decreases 3 inches each week due to evaporation and every two weeks a man adds 5 inches of wat
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Reduction of 12
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Change = 2 inches (75 - 73)
7 0
2 years ago
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