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Step2247 [10]
3 years ago
9

Mr. Kory owns a corn dog stand. In August, he lowered the price of his corn dogs by 10%. As a result, he sold 25% more corn dogs

in August than he sold in July. If he sold 1,500 corn dogs in July at a price of $1 each, which equation could be used to determine s, the total amount of money from corn dog sales in August?
PLEASE I NEED HELP BY TODAY!
Mathematics
1 answer:
daser333 [38]3 years ago
5 0

Answer:

S = 0.9[1500 + 0.25(1500)]

Step-by-step explanation:

Mr. Kory sold corn dogs in July = 1500

Price at which he sold the corn dogs = $1 each

If he lowers the price by 10% then the price of each corn dog = $1 - (10& of $1)

= 1 - (0.10)

= $0.90

Price of corn dogs in August = $0.90

By lowering the price, number of corn dogs sold increases by 25%.

Number of corn dogs sold in August,

= 1500 + (25% of 1500)

= 1500 + (1500 × 0.25)

= 1500(1 + 0.25)

Total amount of money by selling corn dogs in August,

S = 0.9[1500(1 + 0.25)]

S = 0.9[1500 + 0.25(1500)]

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the performance score of 10 adults is recorded, and the results are 83 87 90 92 93 100 104 111 115 121 find the standard deviati
luda_lava [24]

Answer:

The standard deviation of the data set is \sigma = 12.7906.

Step-by-step explanation:

The Standard Deviation is a measure of how spread out numbers are. Its symbol is σ (the greek letter sigma)

To find the standard deviation of the following data set

\begin{array}{cccccccc}83&87&90&92&93&100&104&111\\115&121&&&&&&\end{array}

we use the following formula

                                             \sigma = \sqrt{ \frac{ \sum{\left(x_i - \overline{X}\right)^2 }}{n-1} }

Step 1: Find the mean \left( \overline{X} \right).

The mean of a data set is the sum of the terms divided by the total number of terms. Using math notation we have:

                                     Mean = \frac{Sum ~ of ~ terms}{Number ~ of ~ terms}

Mean = \frac{Sum ~ of ~ terms}{Number ~ of ~ terms}=\frac{83+87+90+92+93+100+104+111+115+121}{10} \\\\Mean = \frac{996}{10} =\frac{498}{5}=99.6

Step 2: Create the below table.

Step 3: Find the sum of numbers in the last column to get.

\sum{\left(x_i - \overline{X}\right)^2} = 1472.4

Step 4: Calculate σ using the above formula.

\sigma = \sqrt{ \frac{ \sum{\left(x_i - \overline{X}\right)^2 }}{n-1} }       = \sqrt{ \frac{ 1472.4 }{ 10 - 1} } \approx 12.7906

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The granola summer buys used to cost $6.00 per pound but it has been marked up %15 A. How much did it cost summer to buy 2.6 pou
Maksim231197 [3]
The granola summer buys used to cost $6.00 per pound but it has been marked up %15 Question: How much did it cost summer to buy 2.6 pounds of granola at the old price.=> previous price of granola = 6.00 dollars per pound=> marked up 15% = 15% /100% = .15Solve:=> 6 * .15 = .9=> 6 + .9 = 6.9 dollars per poundNow, you want to buy 2.6 pounds=> 6.9 * 2.6 = 17.94 dollars <span>
</span>
3 0
2 years ago
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