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Viktor [21]
3 years ago
7

Estimate the size of a crowd at an outdoor concert venue that occupies a rectangular space with dimensions of 500 feet by 1,000

feet (to the nearest whole number).
Assume that each person occupies 9 square feet.
A) 13,889 people
B) 27,778 people
C) 55,556 people
D) 111,112 people
Mathematics
2 answers:
labwork [276]3 years ago
8 0

C)55,556 take 500 x 1,000 and get 500,000 then devide by 9 to get 555.5555556 round to 55,556 plz mark brainliest! :)

jek_recluse [69]3 years ago
3 0

Answer:

C) 55,556 people  

Step-by-step explanation:

First we find the area of the venue.  Since it is rectangular, we multiply the length and width:

500(1000) = 500,000

Next we divide this area by the amount each person occupies, 9 feet:

500,000/9 = 55,556

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Solve the simultaneous equation,<br> 2p - 3q = 4<br> 3p + 2q = 9
Kobotan [32]

Answer:

p = \frac{35}{13} and q = \frac{6}{13}

Step-by-step explanation:

Given equations:

2p - 3q = 4        -----------(i)

3p + 2q = 9       ------------(ii)

Let's solve this equation simultaneously using the <em>elimination method</em>

(a) Multiply equation (i) by 3 and equation (ii) by 2 as follows;

[2p - 3q = 4]        x 3

[3p + 2q = 9]       x 2

6p - 9q = 12            -------------(iii)

6p + 4q = 18            -------------(iv)

(b) Next, subtract equation (iv) from equation (iii) as follows;

     [6p - 9q = 12]        

<u>  -   [6p + 4q = 18]   </u>  

<u>             -13q = -6     </u>  -----------------(v)

<u />

<u>(c)</u> Next, make q subject of the formula in equation (v)

      q = \frac{6}{13}

(d)  Now substitute the value of q = \frac{6}{13} into equation (i) as follows;

     2p - 3(\frac{6}{13}) = 4

(e)  Now, solve for p in d above

<em>Multiply through by 13;</em>

26p - 18 = 52

<em>Collect like terms</em>

26p = 52 + 18

26p = 70

<em>Divide both sides by 2</em>

13p = 35

p = \frac{35}{13}

Therefore, p = \frac{35}{13} and q = \frac{6}{13}

8 0
3 years ago
Extra points help me please
podryga [215]

Answer:

b

Step-by-step explanation:

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Answer:

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Answer:

So I'm not entirely sure about this one, but I believe he gained 0.21 pounds each day for 30 days

Step-by-step explanation:

Since Cam was born weighing 8.6 pounds and after 30 days weighed 14.9, subtract 14.9-8.6 to find how much he gained.

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