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sergejj [24]
3 years ago
5

Ben has $19 to spend. He spent $7.25, including tax, to buy a notebook. He needs to save $2.75 but he wants to buy a snack. If p

retzels cost $0.50 per package including tax, what inequality would show the maximum number of packages that Ben can buy? Solve your inequality by showing your work and steps.
Mathematics
1 answer:
kipiarov [429]3 years ago
4 0
Ben can buy 18 packs of snacks.
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Scores on a college entrance examination are normally distributed with a mean of 500 and a standard deviation of 100. What perce
Alla [95]

Answer:

The percentage is P(350 <  X  650 ) = 86.6\%

Step-by-step explanation:

From the question we are told that

   The population mean is  \mu  =  500

     The standard deviation is  \sigma  =  100

The  percent of people who write this exam obtain scores between 350 and 650    

    P(350 <  X  650 ) =  P(\frac{ 350 -  500}{ 100}

Generally  

               \frac{X -  \mu }{\sigma }  =  Z (The \  standardized \  value \ of  \  X )

   P(350 <  X  650 ) =  P(\frac{ 350 -  500}{ 100}

   P(350 <  X  650 ) =  P(-1.5

   P(350 <  X  650 ) =  P(Z < 1.5) -  P(Z <  -1.5)

From the z-table  P(Z <  -1.5 )  =  0.066807

   and P(Z < 1.5  ) =  0.93319

=>    P(350 <  X  650 ) =  0.93319 -  0.066807

=>  P(350 <  X  650 ) = 0.866

Therefore the percentage is  P(350 <  X  650 ) = 86.6\%

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PLEASE HELP IS POSSIBLE :)
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Answer: 9 inches

Step-by-step explanation:

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3 years ago
What makes the statement true? 7^-2=
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  <span>What makes the statement true?</span>7^-2= 0.0204081633
8 0
3 years ago
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There are 15 girls and 25 boys in a science club what percent of the members were girls
otez555 [7]
   15      /      40             =    .375
total #      total #
of girls      of students

.375 = 37.5%

15/40 as a fraction ---> simplify ---> 3/8
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3 years ago
I need help with that
alukav5142 [94]
If i remember correctly.. it’s C, you cant have the X values repeating.
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3 years ago
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