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Citrus2011 [14]
2 years ago
15

Did you sleep with a comfort object as a child? Do you still? No need to stuff that teddy bear from your infant years in your cl

oset the next time you have a guest over—the odds are good that he or she has a comfort object, too. A study conducted by Sleepopolis and OnePoll reported that 34% of adults still sleep with a stuffed animal, blanket, or other sentimental object, according to a survey of a random sample of 100 adults. A similar study, based on a random sample of 80 children reports that 75% of children sleep with a comfort object.
Do these data provide convincing evidence that the proportion of adults who sleep with a comfort object is less than the proportion of children who sleep with a comfort object? Justify your answer.
Mathematics
1 answer:
dlinn [17]2 years ago
5 0

Answer:

55

Step-by-step explanation:

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aleksklad [387]

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To solve this exercise we have to resolve algebraic operations following the exponent rules.

(x²/x⁻¹¹)¹/₃

Using the quotient rule that indicates that: the exponent result will be the subtraction of these exponents, we have:

(x⁽²⁻⁽⁻¹¹⁾)¹/₃

(x⁽²⁺¹¹⁾)¹/₃

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Using the power of a power rule that indicates that: the exponent result will be the multiplication of these powers, we have:

x⁽¹³*¹/₃⁾

x⁽¹³/₃⁾

As we have a fractional exponent, you must convert the exponent to root:

\sqrt[3]{}(x¹³)

<h3>What is an exponent?</h3>

In mathematics an exponent is the number of time that a number, called (base) is multiplied by itself. It is also called, power or index.

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8 0
1 year ago
Can someone go to the next grade with 2.2 gpa
Vlada [557]

Answer: 2.2 I think is a 70 %  C.  It might depend on the school district though.

Step-by-step explanation:

7 0
3 years ago
Plants The world's largest flower, the Giant Raffesia is 91 centemeters in diameter. Use a calculator to find the circumference
Kamila [148]
We know that
circumference=pi*D
where 
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the answer is
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3 years ago
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krek1111 [17]

Answer:

I think it is A, or ,D

Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
Need some help please and thanks​
Elina [12.6K]

Answer:

answer is c

Step-by-step explanation:

x-15<4          x-15>-4

     +15                 +15

------------------------------------

x<19                    x>11

                or

            11<x<19

3 0
3 years ago
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