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sveta [45]
3 years ago
11

A lawn and garden store surveyed 250 random customers who bought perennial flowers. Participants were asked the question, "Would

you like the store to provide more annual flowers or more perennial flowers?"
A report of the survey results stated that customers would prefer the store to provide more perennial flowers than annual flowers.

Select all statements that correctly evaluate the report.

- The question is biased toward a response of wanting more annual flowers.

-The sample is not biased.

-The question is not biased.

-The sample is biased because it does not represent the population of customers at the lawn and garden store.

-The question is biased toward a response of wanting more perennial flowers.
Mathematics
1 answer:
tensa zangetsu [6.8K]3 years ago
7 0

Answer:

-The question is not biased.

-The sample is biased because it does not represent the population of customers at the lawn and garden store.

Step-by-step explanation:

-The question is not biased.

The question posed by the survey to the participants was;

"Would you like the store to provide more annual flowers or more perennial flowers?"

The question takes into account both products, that is the annual flowers and the perennial flowers. Therefore, the question is not biased toward a response of wanting more annual flowers or toward a response of wanting more perennial flowers.

-The sample is biased because it does not represent the population of customers at the lawn and garden store.

On the other hand, the sample of participants captured by the survey is biased since the survey only targeted customers who bought perennial flowers. We would expect these participants to respond in favor of what they purchase; the perennial flowers. The survey should have targeted the population of customers at the lawn and garden store, that is both the annual and perennial flowers customers.

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Ashley has $150 in her bank account. She buys a bike for $200. Now her account balance is -$50. If she deposits the $75 she rece
polet [3.4K]

Answer:

She will have $25.00 in her bank account!

Step-by-step explanation:

If she has -$50 and adds 75 that is filling in the negative hole and adding $25 to the 0 she would have. ;) hope this helps!

4 0
3 years ago
Apply the laws of exponents, calculate the result and express the result in scientific notation, and as a decimal: (8.1*10^-4)^2
AfilCa [17]
<h3>Answer:</h3>
  • the result in scientific notation is 6.561×10⁻⁷
  • the result as a decimal is 0.000 000 656 1
<h3>Explanation:</h3>

The rules of exponents say the exponent outside parentheses applies to each factor inside parentheses.

... (8.1*10^-4)^2 = 8.1^2 × (10^-4)^2

... = 65.61 × 10^-8

... = 6.561 × 10^-7 . . . . adjust to scientific notation with one digit left of the decimal point

The exponent of -7 means the decimal point in the decimal number is 7 places to the left of where it is in scientific notation. That is ...

... 6.561 × 10^-7 = 0.0000006561

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3 years ago
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kirza4 [7]

Answer:

2x+5

Step-by-step explanation:

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3 years ago
If $x$, $y$, and $z$ are positive integers such that $6xyz+30xy+21xz+2yz+105x+10y+7z=812$, find $x+y+z$.
harina [27]

Answer:

10

Step-by-step explanation:

When we simplify we get $$z(6xy+21x+2y+7)+30xy+105x+10y=812.$$

Then we continue to factor to get: (z+5)(6xy+21x+2y+7)&=847.

We then see that we can factor (6xy+21x+2y+7) into (z+5)(3x+1)(2y+7)&=847.

we then do the prime factorization of 847, which i think is,  7*11*11. we have to find the numbers that multiply to 847 and then plug them into z+5, 3x=1,2y+7.

It has to be a positive, non-negative integer, right?

We also see that 3x+1=11 so we see that x=10/3 (which wont work).

So 3x+1=7, so x=2.

So 11 has to be in another term. It has to be in 2y+7=11 so y=2

for the last term we get z+5=11 so z=6

2+2+6=10

Hope this helps and if you want please consider giving me brainliest. :)

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The answer would be (0,2) because as shown in the graph ab crosses the y-axis at (0,2)

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