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Dovator [93]
3 years ago
12

Daniel stocks the shelves of his fathers toy store at night.On the top shrlf,he puts only boxed dolls and stuffed animals. The r

atio of boxed dolls to the total number of items on the top shelf is 7 to 16. Which number could be the number of stuffed animals put on the shelf
Mathematics
1 answer:
kakasveta [241]3 years ago
3 0

Answer:

9

Step-by-step explanation:

x-number of stuffed animals

7:16

Dolls:All the toys

7:7+x

16=7+x

x=9

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2 years ago
I’m confused on this question. Can anybody help?
DENIUS [597]

Answer:

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Step-by-step explanation:

4 0
2 years ago
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Lexie, a bowler, claims that her bowling score is more than 140 points, on average. Several of her teammates do not believe her,
Crazy boy [7]

Answer:

The  test statistic is  t  = 3.744

Step-by-step explanation:

From the question we are told that

  The population mean is  \mu  =  140

  The  The  level of significance is  \alpha  =  0.05

  The  sample size is  n =  18

   The  null hypothesis is  H_o :  \mu =  140

    The  alternative hypothesis is  H_a  :  \mu > 140

    The sample mean is  \= x  =  155

     The  standard deviation is  \sigma  =  17

Generally the test statistics is mathematically represented as

       t  =  \frac{\= x  - \mu }{ \frac{ \sigma}{ \sqrt{n} } }

substituting values

      t  =  \frac{ 155  - 140 }{ \frac{ 17 }{ \sqrt{18} } }

      t  = 3.744

7 0
3 years ago
Which of the following shows the polynomial 3x^3 - 5x + x^7 + 9 + 4x^11 written in descending order?
alina1380 [7]

Answer:

4x^11+x^7+3x^3-5x+9

Its highest to lower based on the exponential number

our exponential numbers are: 3, 1, 7,0,11 putting those from highest to lowers would put them: 4x^11+x^7+3x^3-5x+9

7 0
2 years ago
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lbvjy [14]

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Step-by-step explanation:


3 0
3 years ago
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