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vampirchik [111]
3 years ago
7

Estimate the size of a crowd at an airshow that occupies a rectangular space with dimensions of 500 feet by 750 feet (to the nea

rest whole number).
Assume that each person occupies 9 square feet.
A) 10,417 people
B) 20,833 people
C) 41,667 people
D) 83,333 people
Mathematics
1 answer:
Liono4ka [1.6K]3 years ago
7 0

Answer:

C. 41667 people

Step-by-step explanation:

750 * 500 =  375000 / 9 = 41666.666 = 41667

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Heights of young adult women in the United States are approximately Normal with a mean of 64 inches and standard deviation 2.7 i
sweet-ann [11.9K]

Answer:

The proportion of all young adult women in the United States are taller than 6 feet(72 inches ) is  

   P( X >  72) =0.0015233

Step-by-step explanation:

From the question we are told that

   The mean is  \mu =  64 \ inches

    The standard deviation is  \sigma =  2.7 \  inches

Generally  6 feet  is equivalent to 6 * 12 = 72 inches

Generally the proportion of all young adult women in the United States are taller than 6 feet(72 inches ) is mathematically represented as

       P( X >  72) =  P(\frac{X - \mu }{\sigma }  >  \frac{72  - 64 }{ 2.7 } )

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

       P( X >  72) =  P(Z >  2.963 )

From the z-table

  The area under the normal  curve to the right corresponding to 2.963  is  

     P(Z >  2.963 ) = 0.0015233

=>   P( X >  72) =0.0015233

3 0
3 years ago
Four rulers and three pencils cost £2.15
Lubov Fominskaja [6]

Answer:

4r + 3p = 2.15

3r + 4p = 2.05

I have no idea.......

4 0
3 years ago
Kamals bedroom has an area of 120 square feet the width of the room is 5/6 the length of the room what are the dimension of kama
avanturin [10]
120.\frac{5}{6}=>20.5=100 \\  \\ 120\: square\: meters
 \\  \\ \framebox[1.1\width]{Good Luck!} \par

4 0
3 years ago
Read 2 more answers
Evaluate 10bc-b+c, when b = 3 and c= 2.<br><br> I need help ASAP!!!!!!!
Yuki888 [10]
I believe the answer is 59 .

first , you plug your variables into the equation : 10(3)(2) - (3) + (2) . next , you multiply the 10 and the 3 and the 2 to get : 60-3+2 . now , you add and subtract from left to right to get : 57+2 . now you add those and get 59 .

hope this helps :)
3 0
4 years ago
Solve 3y + 12x = 18 for y.<br> y =
Radda [10]

Answer:

y = -4x + 6

Step-by-step explanation:

3y + 12x = 18

3y = 18 - 12x

y = 6 - 4x

Best of Luck!

5 0
3 years ago
Read 2 more answers
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