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dedylja [7]
1 year ago
10

Jessica is putting money into a checking account. Let y represent the total amount of money in the account (in dollars). Let x r

epresent the number of weeks Jessica has been adding money. Suppose that x and y are related by the equation =+55030xy.
Mathematics
1 answer:
uranmaximum [27]1 year ago
6 0

After differentiating, the amount when x=0 yields starting amount,

300 dollars.

What is diffrentiation?

  • A technique for determining a function's derivative is differentiation.
  • A technique for determining a function's derivative is differentiation. Mathematicians use a procedure called differentiation to determine a function's instantaneous rate of variation based on a particular variables. The most typical illustration is velocity, which is the rate at which a distance changes in relation to time.
  • In mathematics, differentiation is used to determine change rates. 

Differentiating the given equation with respect to x,

Given equation,

y= 55x+ 300

\frac{dy}{dx} =\frac{d(55x+300)}{dx} = 55+0 =$55 dollars.

The amount when x=0 yields starting amount,

y=55(0)+300=300

Learn more about differentiation here:

brainly.com/question/25081524

#SPJ9

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66 randomly selected students were asked the number of pairs of shoes they have. Let X representthe number of pairs of shoes. Th
laiz [17]

Given data

1. The mean

\frac{\sum fx}{\sum f}=\frac{505}{66}=7.6515

2. The median

\begin{gathered} \text{ Median = (}\frac{\text{N+1}}{2})th \\ =(\frac{66+1}{2})th=(\frac{67}{2})th=33.5th \\ \text{The median is the 33.5th }term\text{ which is between 7 and 8} \\ \text{The median is }\frac{\text{7+8}}{2}=\frac{15}{2}=7.5 \end{gathered}

3. The sample standard deviation

\begin{gathered} SD\text{ =}\sqrt[]{\frac{\sum f|x-\bar{x}|}{\sum f}} \\ \bar{x}=7.6515 \\ SD=\sqrt[]{4.8028} \\ SD=2.1915 \end{gathered}

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1 year ago
Haley who is 5ft tall, is flying a kite on 100ft of string how high is the kite
iris [78.8K]
The kite is 105 feet in the air
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3 years ago
Read 2 more answers
The monthly rent for a pizza parlor is $1,200. The average production cost per pizza is $6. 75. The monthly expenses for the piz
lukranit [14]

By using the concept of profit, it can be calculated that

Profit function = 5.75 x - 1200

What is profit?

If the selling price of an article is more than the cost price of the article, the difference between the selling price and cost price gives the profit

Monthly expense for a pizza parlor C(x) = 1,200 + 6. 75x

Revenue function = 12.5x

Profit function = R(x) - C(x)

                       =  12.5x - (1200 + 6.75x)

                       = 12.5 x - 1200 - 6.75x

                       = 5.75 x - 1200

To learn more about profit, refer to the link-

brainly.com/question/19104371

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4 0
1 year ago
Solve -17.6 - (-21.3)
AleksAgata [21]
-17.6 -(-21.3) = -17.6 + 21.3=3.7
3 0
3 years ago
Solve the equation: 6-3(-2-4x)= 2(3(x-4)+7)
Ulleksa [173]

Answer:

the answer is d: x=-11/3

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3 years ago
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