kim and brittany are selling chocolate chip cookies and red velvet cupcakes. kim made $81 selling 18 chocolate chip cookies and 12 red velvet cupcakes .brittany made $77 by selling 2 chocolate chip cupcakes and 24 red velvet cupcakes . what was the price of each type of cupcake ?

Answers

Answer 1

I use a website called papa math the chocolate chip cookies are $2.50 while the cupcakes are $3.00 what i did was this 81=18c+12r; 77=2c+24r hope it will help you the long way when you use the papa math calculator

Related Questions

Can someone show me how to do this pleases?!.

solve the equation.

- 2 = 3x/5 + 1

Answers

1. -2=1/2x

2.1/2x=-2

3. 2*(1/2x)=(2)*(-2)

4. x=-4

Hope this helps :)

-2=1/2x

1/2x=-2

2*(1/2x)=(2)*(-2)

x=-4

I hope this helped! :)

The length of a rectangle is five times its width. If the area of the rectangle is 125 m2 , find its perimeter.

Answers

It is 125 divided by 5

L = length
W = width

L = 5W ---- Length is 5 times the width
A = LW= 125

first lets find L and W

A = LW = 125-----LW is the formula for area of a rectangle
we know L = 5W
we'll plug in 5W for L
A = (5W)W = 125
A = 5W^2 = 125
W^2 = 125/5
W^2 = 25
Take the squareroot
W = 5

L = 5W
L = 5 * 5
L = 25

P = Perimeter = 2(L + w) ----- formula for perimeter of a rectangle
P = 2(25 + 5)
P = 60

What best describes the greatest height a ball will bounce off the ground after being dropped from a height of 50 centimeters? Less than 50 centimeters, as the ball transforms some of its thermal energy into sound energy Less than 50 centimeters, as the ball transforms some of its potential energy into sound energy Greater than 50 centimeters, as the ball transforms some of its thermal energy into potential energy Greater than 50 centimeters, as the ball transforms some of its potential energy into thermal energy

Answers

Answer:
Less than 50 centimeters , as the ball transforms some of its potential energy into ound energy

Explanation:
When a ball is dropped from a height of 50 cm, several factors reduce the initial potential energy (PE) of the ball.
a. Between the time the ball is dropped and when it strikes the ground, aerodynamic frictional forces consume some of the PE.
b. When the ball hits the ground, the remaining PE is converted into kinetic energy (KE) as it strikes the surface.
c. The KE is dissipated by energy required to deform the ball, some of the KE is transformed into sound energy, and some of the KE is lost by frictional forces that generate heat (thermal energy).
d. The remaining energy is stored in the ball, and it causes the ball to rebound as if it was a wound spring with stored energy. The coefficient of restitution defines how much of the PE is stored for the rebound.

Answer:

B) Less than 50 centimeters , as the ball transforms some of its potential energy into sound energy

How long should the metal stripping be to protect the edge of circular table top if the radius of the top is 2 feet

A) 1.26 feet
B) 4 feet
C) 122 feet
D) 6.28
E) none

Answers

The answer is B) 4 feet, common sense.

Write 12.5% as a fraction or mixed number in simplest form

Answers

12.5% in decimal form is 0.125

1/8 = 0.125

Your answer = 1/8

Answer: 1/8

Step-by-step explanation: A percent is a ratio that compares a number to 100. So we can write 12.5% as 12.5/100.

Next, we need to get rid of the decimal. We can multiply the numerator and denominator of a fraction by the same number without changing the value of the fraction.

So to get rid of the decimal, we can multiply the numerator and the denominator of 12.5/100 by 10 and we have 125/1000.

Now, notice that 125/1000 is not in lowest terms because we can divide the numerator and the denominator by 125 to get 1/8.

So 12.5% can be written as the fraction 1/8.

Six hikers shared 4 1/2 lbs of trail mix. How much trail mix did each hiker receive?

Answers

6 hikers = 4.5 lbs of trail mix

4.5 divided by 6= .75 lbs each hiker.

Divide 4 1/2 lb by 6 to determine the share given to each of the 6 hikers:

4 1/2 divided by 6 is the same as 9/2 divided by 6, or

9 1 9
--- * ---- = ------- = 3/4 lb. (answer)
2 6 12

Check by mult. 3/4 lb by 6: 18/4 = 9/2 = 4 1/2 lb. This is correct.

What is the value of this expression? (−8)3

Answers

-24 hope this hellllpsssssss ^_^

=-24

Use the Rules for Signs for Multiplication

then multiply the numbers

What are the maximum data rates of 802.11 legacy, 802.11a, 802.11b, and 802.11g?

Answers

802.11 legacy = 2 Mbps
802.11a = 54 Mbps
802.11b = 11 Mbps
802.11g = 54 Mbps

Final answer:

The 802.11 standards designate maximum data rates: 802.11 legacy offers 2 Mbps, 802.11a and 802.11g both offer 54 Mbps, and 802.11b offers 11 Mbps. These maximum rates depend on ideal conditions and can be lower in real-world usage.

Explanation:

The 802.11 wireless standards determine the maximum achievable data rates between a wireless device and a wireless access point. Here are the maximum data rates for the 802.11 legacy, 802.11a, 802.11b, and 802.11g:

802.11 legacy: The theoretical maximum speed is 2 Mbps.802.11a: It has a maximum data rate of 54 Mbps.802.11b: This standard allows for a maximum data rate of 11 Mbps.802.11g: This offers a maximum data rate of 54 Mbps, the same as 802.11a, but it is more widely compatible with other devices as it operates on the 2.4 GHz band.

It's important to note that these are the maximum possible data rates, under ideal conditions. In real-world usage, the actual data rate can be lower due to factors such as distance from the access point, interference, and the number of devices connected to the network.

Learn more about 802.11 wireless standards here:

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An electric current, I, in amps, is given by I=cos(wt)+√8sin(wt), where w≠0 is a constant. What are the maximum and minimum values of I

Answers

Final answer:

The maximum value of the electric current I is 1 + √8, and the minimum value is -1 - √8, found by considering the amplitudes of the cosine and sine components in the given function.

Explanation:

The maximum and minimum values of an electric current, I, can be found by analyzing the function I=cos(wt)+√8sin(wt), where w is a constant and ≠0.

To find the maximum and minimum values, we need to consider the amplitude of the sine and cosine components separately. The maximum amplitude of the cosine function is 1, and for the square root of 8 times the sine function, it is √8. Therefore, the maximum possible value of the current is when both the sine and cosine functions are at their peaks. In this case, the maximum value of I would be 1 + √8.

To find the minimum value, we consider the case when the cosine function is at its minimum value, -1, and the sine function is also at its minimum, which can also be - √8. Therefore, the minimum possible value of I would be -1 - √8.

I mean obviously u.s prices are cheaper but is it really better? I need help

Answers

no because quality over quantity as you wouldn't want a hat for $14 that could easily break when if you paid a dollar more it would be more long lasting

An elevator descends 1500 feet in 60 seconds. Find the change in height per second.

Answers

1500ft/60s = 25seconds

The answers is height=25

Rewrite the expression 2(1+2)-9 using the distributive property.

Answers

2(1+2) - 9 =

2 + 4 - 9 =

6 - 9 =

-3

this is using the distributive property and not using the 'correct' way

hope this helps

A pyramid-shaped building is 340 ft tall and has a square base with sides of 567 ft. The sides of the building are made from reflective glass. What is the surface area of the reflective glass?

Answers

check the picture below.

now, notice, the reflective glass part of the building, is just the triangular faces, it has four of those.

now, notice that each triangular face has a base of 567 and a height or altitude of 442.69.

so the surface area with the reflective glass will be, the area of those four triangles, get the area of each and add them up.

A package of 10 cans of soup costs $14. An individual can costs $2. You need at least 25 cans. Find the price of each combination of items.You decide to buy 3 packages of 10 cans. How much do you pay for each can?

Answers

$14×3=$42 price per package of 10
25×$2=$50 individual can cost
30×$2=$60, cost of cans individually bought
so the third problem would be the correct answer because it asks how much for each can

Answer:

$1.4

Step-by-step explanation:

Given, Price of a package of 10 cans = $14

and, Price of an individual can = $2

Now, if I have to purchase at least 25 cans their are two possible ways:

Purchasing 2 packages of the can and then purchase rest individual cans. Thus, if I have to purchase 25 cans it costs: 14 × 2 + 5 × 2 = $38.Purchasing 3 packages of cans. It will cost me: 3 × 14 = $42. But it will give me an extra 5 cans.

Further, if I decided to buy 3 packages of 10 cans it will cost me $42 and I will pay $1.4 for each can.

John drives to work each morning and the trip takes an average of µ = 38 minutes. the distribution of driving times is approximately normal with a standard deviation of σ = 5 minutes. for a randomly selected morning, what is the probability that john's drive to work will take between 36 and 40 minutes?

Answers

The Answer to this is 0.2743

A car dealer recently sold five cars for the following profits 10, 126, 9,999, 12,398, 12,007, and 4,567. What was the mean for the profits of the sales

Answers

The answer is 9,819.4 Hope this helped :)

If you want to calculate the mean of several products, there is an easy way to do it - just add all of those numbers and divide the product by the number of items.
So, here is how to do it:
10,126 + 9,999 + 12,398 + 12,007 + 4,567 = 49,097
Now divide that number by 5 (the number of numbers):
49,097 / 5 = 9,819.4

The correct answer is 9,819.4

which is greater - 0.2 ml. or 0.15 ml.

Answers

0.15 ml is greater than -0.2 ml by 0.17 ml

hope this helps

.15 because it is positive

find decimal notation 75 percent

Answers

The answer is .75 or 1/7 + 5/100 = .75

Hope this helps!

Explain why the hypotenuses of the triangles below have the same slope.

Answers

They have the same slope because they are similar. The smaller one is 1/2 the size of the bigger one and they have a ratio of 1:2 which makes them similar.

The hypotenuses are the same because they fall on the same line.

The function y_p(t) = \ln(1 + 2 t), \ t > -\frac{1}{2}, is a particular solution to the differential equation y^{\,\prime\prime} + 3 y = g(t). find g(t)

Answers

The given particular solution is
[tex]y_{p}(t) = ln(1 + 2t) - \frac{1}{2} [/tex]

The ODE is
y'' + 3y = g(t)

Obtain the derivatives of the particular solution.
[tex]y_{p}^{'} = \frac{2}{1+2t} \\\\ y_{p}^{''} = \frac{-4}{(1+2t)^{2}} [/tex]

Because the particular solution should satisfy the ODE, therefore

[tex]g(t)=- \frac{4}{(1+2t)^{2}} +3 \, ln(1+2t)- \frac{3}{2} [/tex]

Answer: [tex]g(t) = - \frac{4}{(1+2t)^{2}} + 3 \, ln(1+2t) - \frac{3}{2} [/tex]

Given that [tex]y_{p(t)}=\ln{(1+2t)}, \ \ \ t\ \textgreater \ -\frac{1}{2} [/tex] is a particular solution to the differential equation [tex]y^{\prime\prime}+3y=g(t)[/tex]

Then

[tex][\ln{(1+2t)}]^{\prime\prime}+3[\ln{(1+2t)}]=g(t) \\ \\ \Rightarrow\bold{g(t)= \frac{2(1+6t)}{(1+2t)^2}+3\ln{(1+2t)}}[/tex]

What is the volume of a 575 gram bar of pure gold

Answers

19.32=density D=m÷v so, v=m÷d
v=575÷19.32 v=about 29.8

Line l passes through the origin and point (3,4).What is the slope of a line parallel to line l

Answers

[tex]\bf \begin{array}{lllll} &x_1&y_1&x_2&y_2\\ % (a,b) &({{ 0}}\quad ,&{{ 0}})\quad % (c,d) &({{ 3}}\quad ,&{{ 4}})\\ &origin \end{array} \\\\\\ % slope = m slope = {{ m}}= \cfrac{rise}{run} \implies \cfrac{{{ y_2}}-{{ y_1}}}{{{ x_2}}-{{ x_1}}}\implies \cfrac{4-0}{3-0}\implies \cfrac{4}{3}[/tex]

so, that's the slope of a line passing through the origin and 3,4, and any line parallel to it, will have the same exact slope.

rewrite 19/30 and 13/20 so that they have a common denominator then Then, use
<
,
=
, or
>

Answers

Must determine the LCD. Think: what is the smallest (least) number divisible by both 30 and 20? You could, of course, just multiply 30 and 20, obtaining 600, but that would not be the LCD.

Note that 30 and 20 share the common factor 10. Multiplying 3 and 2 together produces 6. The LCD is 10*6 = 60. Note that both 30 and 20 divide into 60 with no remainder.

Then 19/30 = 2(19) / 2[30] = 38/60, and

13/20 = 3(13) / 3[20] = 39/60.

Which is larger, 38/60 or 39/60?

Write the relationship between these 2 numbers using the appropriate inequality operator.

Answer: [tex]\dfrac{38}{60}<\dfrac{39}{60}[/tex]

Step-by-step explanation:

The given fractions : [tex]\dfrac{19}{30}\text{ and }\dfrac{13}{20}[/tex]

The denominators of the above fraction : [tex]30, 20[/tex]

Least common multiple (LCM) of (30,20)=[tex]3\times2\times5\times2=60[/tex]

Multiply 2 to the numerator and denominator of [tex]\dfrac{19}{30}[/tex] and 3 to the numerator and denominator of [tex]\dfrac{13}{20}[/tex], we get

[tex]\dfrac{19\times2}{30\times2}=\dfrac{38}{60}[/tex]

[tex]\dfrac{13\times3}{20\times}=\dfrac{39}{60}[/tex]

Clearly , [tex]\dfrac{38}{60}<\dfrac{39}{60}[/tex]

Please help me solve 9x+16=4x-19

Answers

First you do the order of operations, so it'd be 9x-4x=-19-16. As you can see I've changed some of the powers when you move numbers in an equation the sign (+,-) get flipped. Hope this helps

This is how to solve the equation :)

the costume designer decides to make the sashes a little smaller, so that each of the 8 dresses can have a sash. What fraction of fabric should the costume maker use to make each sash

Answers

The costume designer should use 1/8 of the fabric dedicated to sashes for each dress.

Final answer:

The fraction that the costume maker should use for each sash is 1/8 of the total fabric available, as the fabric is being evenly divided among the 8 dresses.

Explanation:

If the costume designer is making sashes for 8 dresses and aims to use each bit of fabric equally, then each sash should consist of 1/8 of the total fabric. This is because the total fabric is being divided evenly among the 8 dresses. For example, if the costume designer has 8 yards of fabric, then each sash would use 1 yard of fabric (8 divided by 8 equals 1).

In fraction terms, each sash uses 1/8 of the fabric available. So for each dress, the costume designer should use 1/8 of the total fabric to make a sash.

Learn more about Fractions here:

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6 people share 3/5 pounds of peanuts equally what fraction of a pound of peanuts does each person receive

Answers

Hello! To solve this problem, we have to do 3/5 / 6, because you are dividing 3/5 of a bag among six people. In other words, it would be 3/5 * 1/6. You keep the first fraction, change the division sign into a multiplication one, and flip 6 into 1/6. 3/5 * 1/6 = 3/30 or 1/10 in simplest form. Each person receives 1/10 of a pound of peanuts.

A submarine is 671 feet below sea level. If it ascends 218 feet and then descends 1363 feet, what is its new position?

Answers

Answer:

c = 1816 feet below sea level

Step-by-step explanation:

The area of a circle is 25 in. What is it’s radius?

Answers

[tex]\bf \textit{area of a circle}\\\\ A=\pi r^2~ \begin{cases} r=radius\\ -----\\ A=25 \end{cases}\implies 25=\pi r^2\implies \cfrac{25}{\pi }=r^2 \implies \sqrt{\cfrac{25}{\pi }}=r[/tex]

you have 5 quarts of paint. It takes 5/8 quarts to paint each chair you are asked to paint. How many chairs can you paint?

Answers

You can pain 8 chairs; (5/8*8=5)

Services provided by public-service companies, such as water, electricity, and gas, are all known as

Answers

Public Utility or Public Services

Answer:

Step-by-step explanation:

A. UTILITIES

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