A company has determined that the number of items it sells varies inversely as the price of the item. If 20,000 items can be sold if the price is $9.50, how many items can be sold of the price is $8.75? Round your answer to the nearest whole number.

A Company Has Determined That The Number Of Items It Sells Varies Inversely As The Price Of The Item.

Answers

Answer 1
Let N be the number of items sold and p the price. 
Since the variation is inverse, then the relation between N and p is:
[tex]N=k\dfrac{1}{p}[/tex]
For N=20000 and p = $9.5, we get the formula:
 [tex]20000=k\dfrac{1}{9.5}\\p=20000\times9.5=190000[/tex]
If p = 8.75, then the number of items sold can be computed using the formula:
[tex]N= 190000\dfrac{1}{8.75}=21714 \text{ total items}[/tex]

Related Questions

A Family spends 240.00 per week on food. If this is 16% of their income, what is the families weekly income?


*show work*

Answers

Answer: The family's weekly income is $1500

-------------------------------------------

Work Shown:

x = weekly income (in dollars)

16% of x = amount spent on food per week
16% of x = 240
(16/100)*x = 240
0.16*x = 240
0.16*x/0.16 = 240/0.16
x = 1500

The family's weekly income is $1500.

What is percentage?

A percentage is a number or ratio that can be expressed as a fraction of 100. A percentage is a number or ratio expressed as a fraction of 100. It is often denoted using the percent sign, "%", although the abbreviations "pct.", "pct" and sometimes "pc" are also used. A percentage is a dimensionless number; it has no unit of measurement.

here, we have,

given that,

A Family spends 240.00 per week on food. If this is 16% of their income.

let,

x = weekly income (in dollars)

16% of x = amount spent on food per week

16% of x = 240

(16/100)*x = 240

0.16*x = 240

0.16*x/0.16 = 240/0.16

x = 1500

Hence, The family's weekly income is $1500.

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a proportional relationship must graph as a line, is that false?

Answers

a direct proportional relation, could be linear, like y = 3x, in which case you get a line, however it could also be exponential or even logarithmic or radical, in which cases, you do not get a line, but just a sinusoid graph.

y = 3x²  <--- parabolic graph

y = 3√x  <--- parabolic as well

A creek runs along a distance of 16,300 feet. About how many miles long is the creek?

Answers

The number of miles are close to 3.0 or 3.1 the actually measurement is 3.0871212 miles

a yearbook page will show 20 photos displyed in rws each row must contain the same number of photos how many different ways can the photos be arranged

Answers

Answer:

6

If we need all the rows to be equal, all we are doing is dividing.

20/1= 20

20/2= 10

20/4=5

20/5=4

20/10=2

20/20=1

We have 6 different ways to divide 20!

A cylinder shaped water tank has a diameter of 10 m and a height of 10 m. What volume of water does the tank hold when it's 75% full?

Answers

the volume of a cylinder = πr²h

v = (3.14)(5)²(10)
v = (3.14)(25)(10
v= 785

785 x 0.75 = 588.75

the water tank has 588.75 m of water in it when it is 75% full.

evaluate log (Base3) 9

Answers

Rewrite as an equation.log3(9)=xlog3(9)=xRewrite log3(9)=xlog3(9)=x in exponential form using the definition of a logarithm. If xx and bb are positive real numbers and bb does not equal 11, then logb(x)=ylogb(x)=y is equivalent to by=xby=x.3x=93x=9Create equivalent expressions in the equation that all have equal bases.3x=323x=32Since the bases are the same, the two expressions are only equal if the exponents are also equal.x=2x=2The variable xx is equal to 22.2

A car traveling at 46 mi/h slows to a speed of 23 mi/h in 5 seconds. It maintains that speed for 5 seconds and then slows to a stop after 5 more seconds. Which graph shows the car’s speed over time?

Answers

For this case, the first thing you have to keep in mind is that we are in the presence of a piece function.
 We have then:
 For [0, 5]:
 
A car traveling at 46 mi / h slows to a speed of 23 mi / h in 5 seconds.
 For [5, 10]:
 
It maintains that speed for 5 seconds.
 For [10, 15]:
 
then slows to a stop after 5 more seconds.
 In this case:
 x axis: represents time
 y axis: represents the speed.
 Answer:
 
See attached image for the graphic v (t) vs t.

perpendicular to x-6y=7; y-intercept (0,-5). the equation of the line is:

Answers

6x +y = -5

_____
A perpendicular line will have x and y coefficients swapped and one of them negated. A line through (h, k) can be written as
.. a(x -h) +b(y -k) = 0
so your line would be
.. 6(x -0) +1(y -(-5)) = 0
.. 6x +y +5 = 0
.. 6x +y = -5 . . . . . as above

I need help for number 13-16 and I also need an explanation please help

Answers

For the first three you need to find volume, so the formula for volume is b*w*h. base*width*hight. so multiply all three numbers together and you will find your answer.
In question 13 you must find the volume of the prism in 1/6 in. There are 13 1/6in in 2 1/6in, 7 1/6in in 1 1/6in, and 6 in 1in, so you multiply 13 * 7 * 6 = 546

 Find the volume in Q14, 4 2/5 * 3 1/2 * 2 1/4

Convert

[tex] \frac{12}{5} [/tex] * [tex] \frac{7}{2} [/tex] * [tex] \frac{9}{4} [/tex] = 18.9


The answers on the third one are A, C, and F


The answers on the fourth one are B, D, and E


 Hopefully it helps!!

A rectangular prism has a width of 5 cm a height of 8cm and a depth of 5cm. What is the volume of the prism

Answers

The formula for the volume of a rectangular prism is...

v=l*w*h   (note that depth can be substituted in this case for length)
plug in the data we know
v=5*5*8
v=200cm³

Answer=200cm³

If a skateboard is 2 1/2 feet long, what is the length of 4 skateboards in yards?

Answers

First, we need to find the length of the skateboard in feet. 

Since each skateboard is 2 1/2 feet long, we can multiply that by 4 to get 10. 

2 1/2 * 4 = 10

We then convert this into yards. 
One yard is equal to 3 feet, so we should divide 10 by 3 to get our answer. 

10/3=3 1/10

Our final answer is 3 1/10 yards. 

The length of 4 skateboards is 3 2/3 yards.

What is the length of 4 skateboards in yards?The first step is to convert feet to yards.

1 feet = 1/3 yards

5/2 x 1/3 = 5/6 yards

The second step is to multiply 5/6 yards by 4

5/6 x 4 = 20 / 6 = 3 2/3 yards

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A $25,000 purchase decreases 12% in value per year. Determine the values of the purchase after 3 years and after 7 years.

Answers

Use Socratic or slider
After the 3 years, the depreciation amount is $2,323.20 and the value is $17,036.80
After the 7 years, the depreciation amount is $1,393.22 and the value is $10,217.05

What is the​ solution? Select the correct choice below​ and, if​ necessary, fill in the answer box to complete your choice 35- x/4 =x/3

Answers

You can multiply both sides of the equation by 12 to remove the fractions.

12(35 - x/4) = 12(x/3)

420 - 12x/4 = 12x/3

420 - 3x = 4x

Add 3x to both sides:

420 = 7x

Divide 7 to both sides:

x = 60
No choices given. Here's how you solve this.

35 - x/4 = x/3

subtract x/3 from both sides
35 - x/4 - x/3= 0

need a common denominator
4 & 3 go into 12

35 - (4/12x) - (3/12x)= 0
35 - 7/12x= 0

subtract 35 from both sides
-7/12x= -35

multiply by -12/7 to eliminate fraction
(-12/7)(-7/12x) = (-35)(-12/7)
x= (-35 * -12)/7
x= 420/7
x= 60

Check:
35 - x/4 = x/3
35 - 60/4= 60/3
35 - 15= 20
20= 20

Hope this helps! :)

License plates are made using 2 letters followed by 3 digits. How many plates can be made if repetition of letters and digits is allowed?

Answers

Answer:
number of possible combinations = 676000

Explanation:
We have:
26 possible letters (a to z)
10 possible digits(0 to 9)
2 letters followed by 3 digits

For letters, since repetition is allowed, therefore, each of the two letters can be any of the possible 26 alphabetical letters (a to z)
For digits, since repetition is allowed, therefore, each digit of the three can be any of the possible 10 digits (0 to 9)

Therefore:
number of combinations = letter * letter * digit * digit * digit
number of combinations = 26 * 26 * 10 * 10 * 10
number of possible combinations = 676000

Hope this helps :)

PPPPLLLLZZZZZ I BEG UUUU

Factor the polynomial: x^2–xy+x–xy^2+y^3–y^2

Answers

Write expression as
x^2–xy+x  –(xy^2-y^3+y^2)
Then take out common factors in each group
=x(x-y+1)    -y^2(x-y+1)
Take out the common factor (x-y+1)
=(x-y+1)(x-y^2)     voilà!

solve 1.2 = g - (-4.3)

Answers

Get rid of the two minus signs. They make a plus.
1.2 = g + 4.3 Subtract 4.3 from both sides
1.2 - 4.3 = g Now subtract. You get a minus number.
-3.1 = g

This one really is a bit sneaky.

HELP PLEASE! −3.64⋅|−5.3|−1.53 what is the anwser?

Answers

The expression simplifies to approximately -20.822. It involves multiplying -3.64 by the absolute value of -5.3 and then subtracting 1.53 from the result.

To calculate this expression, follow the order of operations (PEMDAS),

which stands for Parentheses, Exponents, Multiplication and Division (left-to-right), and Addition and Subtraction (left-to-right).

In expression, there are no parentheses or exponents, so we proceed with multiplication and then subtraction:

-3.64 × |-5.3| - 1.53

Calculate the absolute value of -5.3, which is 5.3.

Multiply -3.64 by 5.3.

Finally, subtract 1.53 from the result.

-3.64 × 5.3 - 1.53

Now, do the multiplication:

-19.292 - 1.53

Now, subtract:

-19.292 - 1.53 = -20.822

Therefore, the answer for the given expression -3.64 × |-5.3| - 1.53 is approximately -20.822.

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A high school gym class was jumping rope. They wanted to know how many jumps each student could make before they missed. The results are listed below. 2 5 6 7 9 11 12 14 14 15 17 19 21 22 23 24 27 32 35 39 39 44 47 53 60 61 82 85 88 90 93 96 101 103 114 125 What is the median number of jumps that the students made before missing? a. 32.5 c. 33.5 b. 33 d. 34

Answers

There are 36 people. The number is even, so your answer will not be one of the results. 36/2=18. The 18 and 19 values are 32 and 35.(32+35)/2=33.5. The answer is c).

The median number of jumps that the student made before missing is calculated as: C. 33.5.

What is the Median of a Data Set?

Median is the middle value or the average of the two center values of a data set.

Given the data set:

2, 5, 6, 7, 9, 11, 12, 14, 14, 15, 17, 19, 21, 22, 23, 24, 27, 32, 35, 39, 39, 44, 47, 53, 60, 61, 82, 85, 88, 90, 93, 96, 101, 103, 114, 125

The average of the two center values is: (32+35)/2 = 33.5

Therefore, the median number of jumps is: C. 33.5.

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Is 2 yards greater less than equivalent to 5 ft

Answers

Hi there.

3 feet = 1 yard;
2 yards = 6 ft; therefore, 2 yards is greater than 5 ft.

I hope this helps!

ethan took a quiz with 15 questions. if he answered 3/5 of the questions correctly, how many did he get wrong?

Answers

[tex] \frac{15}{1} * \frac{3}{5} = \frac{45}{5} = 9 [/tex]

15-9= 6
Ethan got six questions wrong. 
I love this question!  It requires careful reading!  There are multiple ways to get the right answer, so here are a couple!  The sentence tells us the fraction of the questions he got RIGHT!  To find this out you must multiply 3/5 by the total number of questions (3/5 x 15 = 9  correct questions).  You then can subtract the 9 questions from the 15 total to find out the number that were INCORRECT/WRONG.  15 - 9 = 6 incorrect questions.  Another strategy would be to find the fraction of questions Ethan missed, which is one minus the fraction he got RIGHT.  1 - 3/5 or 3/5 + ___ = 1 (5/5).  He missed 2/5 of the questions, so you can multiply 2/5 by the total to get (2/5 x 15 = 6) 6 incorrect answers.  Hope this helps!

The price of a ticket was increase from 50p to 60p. What is the increase a as a fraction in its simple form? As a percentage of the original price?

Answers

10p or 20% was added on

Given is the price increase of a ticket from 50p to 60p.

Using the concept of fractions, we can find the ratio of new price to old price as follows :-

[tex] \frac{new \;\; price}{old \;\; price} = \frac{60p}{50p} =\frac{6}{5} [/tex]

So the increase in price is [tex] \frac{6}{5} [/tex] times old price of the ticket.

Using the formula of percentage, we can find the percentage change in price as follows :-

[tex] Percentage = \frac{(new\;\;price \;-\; old\;\;price) }{old \;\; price}*100 \\\\
Percentage = \frac{60p-50p}{50p}*100 \\\\
Percentage = \frac{10p}{50p}*100 \\\\
Percentage = 20\;\% [/tex]

Hence, Percentage increase is 20% of the original price.

Use the intercepts to graph the equation 8x - 5y = 40

Answers

In intercept form, the equation is
.. x/(40/8) +y/(-40/5) = 1
.. x/5 +y/-8 = 1

The intercepts are (5, 0) and (0, -8).
Final answer:

To graph the equation 8x - 5y = 40, find the x-intercept and y-intercept. The x-intercept is (5,0) and the y-intercept is (0,-8). Plot these points and draw a straight line passing through them.

Explanation:

To graph the equation 8x - 5y = 40 using intercepts, we need to find the x-intercept and y-intercept. The x-intercept is the point where the line intersects the x-axis, so let y = 0 and solve for x. The y-intercept is the point where the line intersects the y-axis, so let x = 0 and solve for y.

Setting y = 0, we get 8x - 5(0) = 40, which simplifies to 8x = 40. Solving for x, we find x = 5. So the x-intercept is (5, 0).

Setting x = 0, we get 8(0) - 5y = 40, which simplifies to -5y = 40. Solving for y, we find y = -8. So the y-intercept is (0, -8).

Plotting the x-intercept (5, 0) and the y-intercept (0, -8) on a graph, we can draw a straight line passing through these two points, which is the graph of the equation 8x - 5y = 40.

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Tina was involved in an accident in which she rear-ended another driver stopped at a stoplight. Tina is fully insured through her insurance company. Which of the following components of her insurance policy will cover the damages caused to Tina’s car in the accident?
a.
bodily injury
b.
property damage
c.
collision
d.
comprehensive damage 

(Correct Answer Is C. Collision)

Answers

You're right. It is collision. If there is something like spinal damage to the person you hit, then it becomes an entirely different ball game. Then A is the right answer. You need both of them. The most obvious answer is C. That kicks in no matter what else may be true. But back and neck injuries are often part of the claim.

Answer:the answer is C. collision

Step-by-step explanation:

Write the equation of the plane with normal vector n = 1, 3, 4 passing through the point (4, −1, 3) in the scalar form ax + by + cz =
d.

Answers

Try, pls, this solution (see the attachment).

The equation of plane with normal vector n = (1, 3, 4) passing through the point (4, −1, 3) in the scalar form is;

⇒ x + 3y + 4z = 13

What is Equation of plane?

A equation of plane containing the point (x₁ , y₁ , z₁) and having a normal vector (a, b, c) is defined as;

⇒ a (x - x₁) + b (y - y₁) + c (z - z₁) = 0

Given that;

The normal vector n = (1, 3, 4)

And, The point = (4, −1, 3)

Now,

Since, we know that;

A equation of plane containing the point (x₁ , y₁ , z₁) and having a normal vector (a, b, c) is defined as;

⇒ a (x - x₁) + b (y - y₁) + c (z - z₁) = 0

So, We get;

A equation of plane containing the point (4, −1, 3) and having a normal vector (1, 3, 4) is defined as;

⇒ a (x - x₁) + b (y - y₁) + c (z - z₁) = 0

⇒ 1 (x - 4) + 3 (y - (-1)) + 4 (z - 3) = 0

⇒ x - 4 + 3y + 3 + 4z - 12 = 0

⇒ x + 3y + 4z = 13

Thus, The equation of plane with normal vector n = (1, 3, 4) passing through the point (4, −1, 3) in the scalar form is;

⇒ x + 3y + 4z = 13

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Mary’s number is eleven more than Jerry’s. The sum of their numbers is 89. What are their numbers?

Answers

Let x be represent the number of Jerry and x + 11 for Mary.
x = Jerry
x + 11 = Mary
Getting Jerry's number:
x + (x + 11) = 89
2x + 11 = 89
2x = 89 - 11
2x = 78
2x/2 = 78/2
x = 39
Getting Mary's number(simplify):
x + 11
= 39 + 11
= 50
.
Therefore, Mary and Jerry's age are 50 and 39, respectively.
:)

Mary and Jerry's number will be 39 and 50.The sum of their numbers is 89.Which shows that the obtained answer is correct.

What is a linear equation?

It is defined as the relation between two variables if we plot the graph of the linear equation we will get a straight line.

If in the linear equation one variable is present then the equation is known as the linear equation in one variable.

Let, Mary’s number be x

Mary’s number is eleven more than Jerry’s

Jerry's number is x+11

From the given condition sum of their numbers is 89.

[tex]x + (x + 11) = 89\\\\ 2x + 11 = 89\\\\ 2x = 89 - 11\\\\ 2x = 78\\\\ \frac{2x}{2} = \frac{78}{2} \\\\ x = 39[/tex]

Jerry's number will be;

[tex]x+11 \\\\ 39+11 \\\\ 50[/tex]

Hence the Mary and Jerry's number will be 39 and 50.

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what is the following product? ^3√24 x ^3√45

Answers

∛24 * ∛45 
= ∛1080
= 6∛5

answer
C.  6(∛5)

The simplified value of the product of [tex]\sqrt[3]{24}\times\sqrt[3]{45}[/tex] is [tex]6\sqrt[3]{5}[/tex].

What are some rules of exponents?

Some common rules of exponents are

xᵃ×xᵇ = xᵃ⁺ᵇ.

xᵃ/xᵇ = xᵃ⁻ᵇ.

Addition and subtraction of exponents is only possible for the same base value and when the base is different and both have the same exponent we just multiply the bases and write the exponent.

We know when we have the same radical we can simply multiply the values.

Given, [tex]\sqrt[3]{24}\times\sqrt[3]{45}[/tex].

= [tex]\sqrt[3]{24\times45}[/tex].

= [tex]\sqrt[3]{2\times2\times2\times3\times3\times3\times5}[/tex].

= [tex]2\times3\sqrt[3]{5}[/tex].

= [tex]6\sqrt[3]{5}[/tex].

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Can you please help me out ?

Answers

the answer is the second choice

for this case it is to use the following trigonometric definition.
 Tan (x) = a / b
 Where,
 a: opposite side of the triangle.
 b: adjacent side of the triangle.
 Substituting:
 Tan (x) = a / b
 Tan (x) = 24/10
 Tan (x) = 12/5
 Answer:
 Tan (x) = 12/5 (option 3)

Find the surface area of the composite solid and round to the nearest tenth. Explain your answer.

Answers

well, notice the composite is really just 4 triangles atop sitting on top of 4 rectangles, and all of them area stacked up at the edges.

so, for the rectangle's sides,

front and back are two 6x3 rectangles

left and right are two 6x3 rectangles

the bottom part is a 6x6 rectangle

now, we don't include the 6x6 rectangle that's touching the triangles, because that's inside area, and is not SURFACE area, so we nevermind that one.

now, the triangles are just four triangles with a base of 6, and a height of 4, in red noted there.

so, just get the area of all those rectangles and the triangles, sum them up and that's the surface area of the composite,

[tex]\bf \stackrel{lateral~rectangles}{4(6\cdot 3)}~~+~~\stackrel{bottom~rectangle}{(6\cdot 6)}~~+~~\stackrel{triangles}{4\left( \cfrac{1}{2}(6)(4) \right)}[/tex]

Which expression is equivalent to 3i(4 + 7i)?

Answers

3i(4+7i)=3i*4+21i^2=12i-21  (i^2=-1)
the answer is 3i(4)+21i

I hope this helps

Can you answer these questions for me plz I need them before Monday ty

Answers

A. The answer is 4y+3 you distribute and get 4y^2 +4y+1-4y^2+2 then combine like terms which is (4y^2-4y^2)+(4y)+ (1+2) and equals 4y+3

B. The answer is 14w^3 +2w^2 bc you distribute again which gives you 20w-10w^2-6w^3+12w^2 and then combine like terms (20w^3-6w^3)+(-10w^2+12w^2) and equals to 14w^3+2w^2

C. The answer is 3y^2-5y+2 bc you distribute again which is 7y^2-3y-4y^2-2y+2 and then combine like terms (7y^2-4y^2)+(-3y-2y) +2 and gives you 3y^2-5y+2
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