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Kisachek [45]
3 years ago
13

A researcher says to the respondents in a poll, “Eating too many sugary foods leads to cavities. Would you rather have soda or w

ater served with your meal?” Is this a valid question to ask of sample respondents? A. Yes, the researcher is simply stating a fact: eating sugary foods does lead to cavities. It is okay for a researcher to state facts in asking questions of respondents. B. No, the wording of the question makes respondents more likely to say water, even if they may actually prefer soda at a meal. C. No, a researcher cannot ask people for preferences because they may not answer honestly. The researcher should observe people and record their beverage selections to insure accurate responses. D. Yes, the more information provided by a researcher the better. Respondents can now give an informed opinion and the results will be more accurate.
Mathematics
1 answer:
seropon [69]3 years ago
3 0

Answer:

huh

Step-by-step explanation:

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Keely makes meringues by mixing egg whites with sugar.
Lubov Fominskaja [6]

Answer:

Yes, she will have enough eggs.

Step-by-step explanation:

It's an easy question if we carefully think about it.

Firstly we find the total number  of eggs:

- 9 boxes x 15 eggs = 135 eggs

Secondly, the weight of the useful egg whites:

- 135 eggs x 40 grams = 5400 grams of egg whites

Thirdly we divide the egg whites weight by the sugar weight

- 5400/8000 = 0.675 which is larger than the minimum ratio, 3/5 = 0.6.

This means that Keely will have enough eggs to use the whole of the sugar for meringues.

8 0
2 years ago
If g(x) = 3x² – 2x–5, what is the<br> value of g(-1) ?
garri49 [273]

Answer:

0

Step-by-step explanation:

g(-1)=3×(-1)²-2×(-1)-5 g(-1)=3×1+2-5 g(-1)=3+2-5 g(-1)=5-5 g(-1)=0 ......

6 0
3 years ago
A radioactive compound with mass 470 grams decays at a rate of 3% per hour. Which
xxTIMURxx [149]

After 6 hours the radioactive compound with mass 470 grams becomes 391.49 grams and the equation will be C is equal to 470(1-0.03)^6.

<h3>What is exponential decay?</h3>

During exponential decay, a quantity falls slowly at first before rapidly decreasing. The exponential decay formula is used to calculate population decline and can also be used to calculate half-life.

We know the decay can be as:

\rm C = a(1-r)^t

We have:

a = 470 grams

r = 3% = 0.03

t = 6 hours

\rm C = 470(1-0.03)^6

C = 391.49 grams

Thus, after 6 hours the radioactive compound with mass 470 grams becomes 391.49 grams and the equation will be C is equal to 470(1-0.03)^6.

Learn more about the exponential decay here:

brainly.com/question/14355665

#SPJ1

3 0
2 years ago
Expand &amp; simplify<br> 5<br> (<br> p<br> +<br> 5<br> )<br> +<br> 6<br> (<br> p<br> +<br> 6<br> )
Aloiza [94]

5(p+5) + 6(p+6)

First step: Distribute  (PEMDAS --> Parenthesis)

5p + 25 + 6p + 36       Now, combine like terms

11p + 61

Thus, the answer is 11p + 61

4 0
2 years ago
Read 2 more answers
Mrs. Johnson is renting a car for vacation and plans to drive a total of 800 Miles. A rental car company charges $153 for the we
ch4aika [34]
No, she cannot afford the car. 
The total would be $176, and she only has $160.

Hope this helps!!
~Kiwi
6 0
3 years ago
Read 2 more answers
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