A local shoe store buys shoes at a wholesale price and then marks them up 80% to calculate the retail price. The wholesale price varies, depending on the quantity of shoes purchased. Write an equation that could be used to find the retail price for each range. How do you know the equation will work consistently for each range?

Answer:

(62)^3

Step-by-step explanation:

(62)^3 = 62×62×62 = 238,328

So, 1000 < 238,328

Thus, (62)^3 is greater.

Answer:

b is 40

Step-by-step explanation:

Answer:

I think b = 40

Step-by-step explanation:

Answer:

10

Step-by-step explanation:

dived them

Answer:

y = 4/5 x + 17

Step-by-step explanation:

(y-13)/(9-13) = (x-(-5)/(-10-(-5)

(y-13)/-4 = (x+5)(-10+5)

(-y+13)/4 = (x+5)/-5

(-y+13)/4 = (-x-5)/5

20 · (-y+13)/4 = 20 · (-x-5)/5

-5y + 65 = -4x - 20

-5y = -4x - 65 - 20

-5y = -4x - 85

5y = 4x + 85

y = 4/5 x + 85/5

y = 4/5 x + 17

Answer:

No is incorrect 4/27 is right

Step-by-step explanation:

Answer:

= { 1, 2, 4, 4, 8, 10, 12, 14}

There are total 8 numbers in data. so,

two middle numbers are : 4, 8

= 4+8

= 12

now divide 12 with 2

= 6

So... the median of given set is 6.

Answer:

7

Step-by-step explanation:

since there are two middle numbers you add and divide them by 2

Answer:

D. 29

Step-by-step explanation:

just did the test and got it correct. Edmentum, Plato.

Answer:

" Expected Payoff " ⇒ $ 1.56 ; Type in 1.56

Step-by-step explanation:

Consider the steps below;

\(Tickets That Can Be Entered - 1 Ticket,\\Total Tickets Entered - 1000 Tickets,\\\\Proportion - 1 / 1000,\\Money One ( First Ticket ) = 820 Dollars,\\Money One ( Second Ticket ) = 740 Dollars,\\\\Proportionality ( First ) - 1 / 1000 = x / 820,\\Proportionality ( Second ) - 1 / 1000 = x / 740\\\\1 / 1000 = x / 820,\\1000 * x = 820,\\x = 820 / 1000,\\x = 0.82,\\\\1 / 1000 = x / 740,\\1000 * x = 740,\\x = 740 / 1000,\\x = 0.74\\\\Conclusion ; " Expected Payoff " = 0.82 + 0.74 = 1.56\)

Solution; " Expected Payoff " ⇒ $ 1.56

Answer:

x=-3

Step-by-step explanation:

first multiply them out: 5x+20=2x+11

then subtract both sides by 2x: 3x+20=11

subtract both sides by 20: 3x=-9

divide both sides by 3: x=-3

Answer:

x = -3

General Formulas and Concepts:

Pre-Algebra

Step-by-step explanation:

Step 1: Define equation

5(x + 4) = -2(-4 - x) + 3

Step 2: Solve for x

Step 3: Check

Plug in x to verify it's a solution.

Here we see that 5 does indeed equal 5. ∴ x = -3 is a solution of the equation.

And we have our final answer!

a) q= sin d

Angle is represented by d, and value is represented by q.

b) p = tan1 c

Angle is represented by c, and value is represented by p.

c) arccos n = ν

Angle is represented by n, and value is represented by v.

Given that,

We have to find the variables that indicate the angle and the value of the trigonometric function in each of the following equations.

In the following three equations:

(a) q = sin d;

(b) p = tan1 c; and

(c) arccos n = ν,

We know that,

a) q= sin d

Angle is represented by d, and value is represented by q.

b) p = tan1 c

Angle is represented by c, and value is represented by p.

c) arccos n = ν

Angle is represented by n, and value is represented by v.

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Answer:

120

Step-by-step explanation:

Use the combination formula since order doesn't matter.

\(C=\frac{n!}{r!(n-r)!}\)

There are 10 people (n = 10), and the committee will have 3 people (r = 3).

\(C=\frac{10!}{3!(10-3)!}\\C=\frac{10!}{3!7!}\\C=\frac{3628800}{(6)(5040)} \\C=\frac{3628800}{30240}\\ C = 120\)

There are 120 possible committees that could be formed.

The Algorithm for a time complexity of O(n) is given at the end.

The algorithm with a time complexity of O(n) to solve the problem:

1. Initialize two variables: "min_price" to store the minimum price encountered so far and "max_profit" to store the maximum profit found so far. Set both variables to infinity or a very large number.

2. Iterate through the given prices from left to right, for each day i:

  - Update min_price as the minimum between min_price and prices[i].

  - Calculate the potential profit as prices[i] - min_price.

  - Update max_profit as the maximum between max_profit and the potential profit.

3. After the iteration, max_profit will contain the maximum profit that can be obtained by buying on one day and selling on a later day.

4. In this case, return a suitable message indicating that there is no profitable opportunity.

5. If max_profit is positive, it represents the maximum profit that can be obtained. To find the specific days i and j, iterate through the prices again and find the day i where the profit is equal to max_profit. Then, continue iterating from day i+1 to find the day j where the price achieves the maximum profit (prices[j] - prices[i]). Return the pair of days (i, j).

The Python code implementing the algorithm:

def find_optimal_days(prices):

   n = len(prices)

   min_price = float('inf')

   max_profit = 0

   buy_day = 0

   sell_day = 0

   for i in range(n):

       min_price = min(min_price, prices[i])

       potential_profit = prices[i] - min_price

       max_profit = max(max_profit, potential_profit)

       if potential_profit == max_profit:

           sell_day = i

   if max_profit <= 0:

       return "No profitable opportunity."

   for i in range(sell_day):

       if prices[sell_day] - prices[i] == max_profit:

           buy_day = i

           break

   return buy_day, sell_day

# Example usage:

prices = [7, 1, 5, 3, 6, 4]

result = find_optimal_days(prices)

print(result)

This algorithm has a time complexity of O(n), where n is the number of days (length of the prices list). It iterates through the prices list twice, but the overall complexity is linear.

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Answer:

676.7

Step-by-step explanation:

Common standard form:

6.7(101) = 676.7

Standard form referring to scientific notation (if you're from Europe):

676.7 = 6.767 * 10^2

Answer:

103.84375

Step-by-step explanation:

First, indicate base 10 with a notation.

1100111.01011 = 1x2^6 + 1x2^5 + 0 + 0 + 1x2^2 + 1x2 + 1x2^0 +0 + 1x2^-2 + 0 + 1×2^-4 + 1×2^-5

Then, after partially solving, that will get you:

1100111.01011 = 64 + 32 + 4 + 2 + 1 + 1/2 + 1/4 + 1/16 + 1/32

Keep solving like so...

103 + 0.5 + 0.25.0.0625 + 0.03125

= 103 + 0.84375 = 103.84375

Hope this helped, I'm not the best at explaining converting bases.

The probability that two out of three sets will go to tiebreakers ≈ 0.061

To calculate the probability that two out of three sets will go to tiebreakers, we need to consider the possible combinations of sets that can have tiebreakers.

There are three possible scenarios where two sets out of three can have tiebreakers:

1. The first two sets go to tiebreakers, and the third set does not.

2. The first and third sets go to tiebreakers, and the second set does not.

3. The second and third sets go to tiebreakers, and the first set does not.

The probability of each scenario occurring can be calculated by multiplying the probability of a tiebreaker (0.14) by the probability of not having a tiebreaker (1 - 0.14 = 0.86) for the remaining set.

1. Probability of scenario 1: (0.14) * (0.14) * (0.86) = 0.020408

2. Probability of scenario 2: (0.14) * (0.86) * (0.14) = 0.020408

3. Probability of scenario 3: (0.86) * (0.14) * (0.14) = 0.020408

To find the probability that any of these scenarios occur, we sum up the probabilities of the three scenarios:

Total probability = 0.020408 + 0.020408 + 0.020408 = 0.061224

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Answer: 1. 54, 2. 48

Step-by-step explanation: To find the area of a trapezoid you add the top base and the bottom base then divide them by two, and multiply them by the height.For #1. 8+10/2= 9 then 9x6=54 For #2. 4+12/2=8 then 8 x 6=48.

Answer:

Figure it out using this: Area= 1/2(Base 1 + Base 2) x Height

Bases are the tops and bottoms of the trapezoids

Step-by-step explanation:

Answer:3

Step-by-step explanation:

Answer:

4 because 3 is out because 7.15 is not an hour in this equation and two is out because you dont add the total and 2 is out because we are trying to find how much in all

The required, Mmusi borrowed R3000 from Aggie as per the given conditions.

Simple interest is a quick and simple formula for figuring out how much interest will be charged on loan.

Amount = Principal [1 + rate×time]

Let's call the amount Mmusi borrowed from Aggie "P".

After two years, he has to pay back
= P + P * 18% * 2
= P + 0.18 * P * 2
= P + 0.36P
= 1.36P

So if he has to pay back R4080, we can set up an equation to solve for P:

1.36P = 4080

To find P, we can divide both sides by 1.36:

P = 4080 / 1.36 = 3000

So Mmusi borrowed R3000 from Aggie.

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Answer:

8

Step-by-step explanation:

50÷16%=8

16% of 50 is 8

Answer:

Its x-intercepts are at (0,0) and (11,0)

The x-coordinate of its vertex is 5.5

Step-by-step explanation:

(both of the answers)

Step-by-step explanation:

x intercept is where you graph cuts the x axis

put this equation equal to 0 and then solve for x

\(2x(x - 11) = 0 \\ 2x = 0 \: \: \: \: \: or \: \: \: \: \: x - 11 = 0 \\ x = 0 \: \: \: or \: \: \: \: x = 11\)

so x intercept is (0,0) and (11,0).

To find vertex

x coordinate is -b/2a

\(2x(x - 11) \\ 2x {}^{2} - 22x \\ so \: vetex \: is \: - \frac{ - 22}{2(2)} \\ \frac{22}{4} \\ 5.5\)

Answer:

-40

Step-by-step explanation:

2 times negative 2 is 4 plus 4 is 8 times negative 5 is -40

Answer:

\(x=3/2=1.5\)

Step-by-step explanation:

So we have the equation:

\(2x-2=4x-5\)

And we want to solve for x. To do this, we need to first isolate the x-variable. So, start by adding 2 to both sides:

\((2x-2)+2=(4x-5)+2\)

The 2s on the left cancel:

\(2x=4x-3\)

Now, subtract 4x from both sides:

\((2x)-4x=(4x-3)-4x\)

The 4xson the right cancel:

\(-2x=-3\)

Now, divide both sides by -2.

\(\frac{(-2x)}{-2}=\frac{-3}{-2}\)

The negatives cancel. The 2s on the left cancel. Therefore:

\(x=3/2=1.5\)

TRUNCATED to one decimal place, it's 50.2

ROUNDED to one decimal place, it's 50.3

The round-off of 50.272 to 1 decimal place using rules of rounding

numbers are 50.3.

Rounding off numbers means making a number simpler by adjusting it to its nearest place according to certain rules.

Rounding a number to one decimal place means keeping only the first digit after the decimal point and neglecting the rest. In this case, the digit in the second decimal place is 7, which is greater than or equal to 5. As per the rounding rules, if the digit is greater than 5, the preceding digit is increased by 1.

So, 50.272 becomes 50.3 when rounded to one decimal place.

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Answer:

Just casually ask him to hang out love

Step-by-step explanation:

Answer:

i have a boyfriend, and he asked me, but my last relationship i basically asked, he was going to ask me but he got scared and said if i wanted to be his friend, and i said yeah of course, so after that he asked if i wanted to be besties cause he choked again so then i said what about girlfriend? and he said he'd think, we ended up getting together for a good month and a half, so i suggest just telling him, or give him a call and ask him if he wants to come over and do homework together or something.

Step-by-step explanation:

Answer:

14

Step-by-step explanation:

i think 14 because you have to times two answers and add them form each number

Answer:

A

Step-by-step explanation:

The volume of a sphere is given as (4/3)πr³ thus the volume of a 17 cm diameter sphere will be 2571.14 cm³

A sphere is a 3D geometrical object which has a radius and becomes a point that revolves around a fixed point called the center.

A sphere has surface area and volume based upon the radius of the sphere.

Given that,

Dia of sphere = 17 cm

The volume of a sphere is given as ;

V =  (4/3)πr³

Since Dia = 2 radius ⇒ r = D/2

V = (4/3)π(D/2)³

V = (4πD³) / (8 × 3)

V = πD³/3

V = 3.14×17³/3

V = 2571.14 cm³

Hence "The volume of a sphere is given as (4/3)πr³ thus the volume of a 17 cm diameter sphere will be 2571.14 cm³ ".

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Answer:

greatest: 27/7

325.4%

3.25

least: 3 1/5

Answer:

\( 5A+3B =\begin{bmatrix} 33 & 32 & 47 \\ 39 & -12 & 56 \\ 26 & 19 & 30\end{bmatrix}\)

Step-by-step explanation:

\( A=\begin{bmatrix} 3 & 4 & 7 \\ 6 & - 3 & 7 \\ 1 & 5 & 6 \end{bmatrix} \: and \: B=\begin{bmatrix} 6 & 4 & 4 \\ 3 & 1 & 7 \\ 7 & - 2 & 0 \end{bmatrix} \)

\( 5A=5 \begin{bmatrix} 3 & 4 & 7 \\ 6 & - 3 & 7 \\ 1 & 5 & 6 \end{bmatrix}, \: \: 3B=3 \begin{bmatrix} 6 & 4 & 4 \\ 3 & 1 & 7 \\ 7 & - 2 & 0 \end{bmatrix} \)

\( 5A=\begin{bmatrix} 15 & 20 & 35 \\ 30 & -15 & 35 \\ 5 & 25 & 30 \end{bmatrix}, \: \: 3B=\begin{bmatrix} 18 & 12 & 12 \\ 9 & 3 & 21 \\ 21 & - 6 & 0 \end{bmatrix} \)

\( 5A+3B =\begin{bmatrix} 15 & 20 & 35 \\ 30 & -15 & 35 \\ 5 & 25 & 30 \end{bmatrix} +\begin{bmatrix} 18 & 12 & 12 \\ 9 & 3 & 21 \\ 21 & - 6 & 0 \end{bmatrix} \)

\( 5A+3B =\begin{bmatrix} 15+18 & 20+12 & 35+12 \\ 30+9 & -15 +3 & 35 +21 \\ 5+21 & 25-6 & 30+0 \end{bmatrix}\)

\( \purple {\bold {5A+3B =\begin{bmatrix} 33 & 32 & 47 \\ 39 & -12 & 56 \\26 & 19 & 30 \end{bmatrix}}} \)

The x-intercepts are the points (-2,0) and (4,0)

A parabola is a symmetrical, curved, U-shaped graph. Parabolas exist in everyday situations, such as the path of an object in the air, headlight shapes and the wire of suspension bridges. The equation of a parabolic graph is y = x² and all quadratic graphs have a line of symmetry which passes vertically through the minimum or maximum point

Find the x-intercepts of the parabola and write them as ordered pairs

The x-intercepts are the values of x when the value of y is equal to zero

so

For y=0

For x=4 and x=-2 the equation is equal to zero

therefore

The x-intercepts are the points (-2,0) and (4,0)

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The measure of variability that is used when the statistic with the greatest stability is sought is the Standard Deviation.

The Standard Deviation takes into account the dispersion of data points from the mean and provides a measure of the average distance between each data point and the mean. It is widely used in statistical analysis and is considered a robust measure of variability, providing a more precise and stable measure compared to other measures such as Mean Deviation, Quartile Deviation, or Range.

The Standard Deviation is a statistical measure that quantifies the dispersion or variability of a dataset. It takes into account the differences between individual data points and the mean of the dataset. By calculating the average distance between each data point and the mean, it provides a measure of how spread out the data is.

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