Jeremy baked 9 cakes for the bake sale. He sifted 2 cups of powdered sugar evenly on the tops of the cakes.    How much powdered sugar is on each cake?  

Answers

Answer 1
If you divide 2 cups by 9 you get .22 cups per cake.
Answer 2
2/9 cups. 2 cups divided by 9 cakes

Related Questions

what is d/dx(1/sinx) ...?

Answers

[tex] \frac{d}{dx} \frac{1}{\sin{x}}= \frac{d}{dx}\sin^{-1}{x}=-1 \frac{d}{dx}\sin{x}=-(-\cos{x})=\cos{x}[/tex]

the ratio of length to width in a rectangle is 3:1. If the perimeter of the rectangle is 112 feet, what is the length of the rectangle?

Answers

I hope this helps you

Length of the rectangle= 42 feet

Width of the rectangle =14 feet

What is rectangle?

A rectangle is a closed two-dimensional figure with four sides. The opposite sides of a rectangle are equal and parallel to each other and all the angles of a rectangle are equal to 90°.

Given,

Ratio of length to width of rectangle = 3:1

Let width be x then length will be 3x

Perimeter of the rectangle = 112 feet

2(Length + Width) = 112

2(3x + x) = 112

2(4x) = 112

8x = 112

x = 112/8

Width x = 14 feet

length = 3x = 3×14 = 42feet

Hence, 42 feet is length and 14 feet is width of the rectangle.

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In a survey conducted by a union, members were asked to rate the importance of the following issues: (1) job security, (2) increased fringe benefits, and (3) improved working conditions. Five different responses were allowed for each issue. Among completed surveys, how many different responses to this survey were possible? ...?

Answers

First option has 5 possible rates as well as second option and third option.

A person can pick any rate for each option (job security, increased fringe benefits and improved working conditions). That means that person can rate all options with same "grade"

because 5 possible rating can be done on each option and they can be repeated (same grade for all or 2 of issues) total number of possible different answer is:

5*5*5 = 125 

Final answer:

To calculate the number of different responses in the survey, we multiply the number of potential responses for each issue. With 5 options for each of the 3 issues, there are 5 x 5 x 5 = 125 different possible combinations.

Explanation:

To determine the number of different responses to the survey conducted by a union, we need to calculate the total possible combinations that can occur when members are asked to rate the importance of three issues: (1) job security, (2) increased fringe benefits, and (3) improved working conditions. Since there are five different responses allowed for each issue, we would use a combination formula.

Each member can choose from 5 different responses for each of the 3 issues. This is a situation where we use the 'fundamental counting principle' where you multiply the number of options for each independent choice to get the total number of possibilities:

For job security: 5 possible responsesFor increased fringe benefits: 5 possible responsesFor improved working conditions: 5 possible responses

The total number of different responses to the survey is 5 x 5 x 5, which equals 125.

So, members have 125 different ways to respond to the survey based on how they rate the importance of each issue.

Convert to scientific notation: 0.000678

Answers

6.78x10^-4 this will be the answer 

.000678 = 6.78 * 10^-4

Good luck~ Sans

For a circle of radius 4 feet, find the arc length s subtended by a central angle of 26 degrees.

Answers

i hope this helps you

Answer:

The arc's length is 1.8 ft

Step-by-step explanation:

For calcaulate the arc length S we used the formula below:

[tex] S=\frac{\pi.\alpha(\º)}{180}*R[/tex]

Here alpha is the arc angle in degrees and R is the circle radius. Thus, if alpha is equal to 26 and R equals to 4 ft:

[tex] S=\frac{\pi.26}{180}\ *\ 4ft[/tex]

[tex] S=0.45\ *\ 4ft[/tex]

[tex] S=1.8\ ft[/tex]

A)14 is 30 percent of what number?

B) 72 is what percent of 180?

Answers

30x÷100=14
30x=1400
x=46.6
----------------
72÷180=x÷100
180x=7200
x=40
A) Let the number be x
30% * x = 14
x = 14/30%
x = 46.67

B) (72/180) x 100
= 40%

What is the area of 74.8 and 22.6?

Answers

1690.48 is the answer as all you do is times them together.

The mean for average temperature in Buffalo ,New york , is 47.5°. The temperture fluctuates 23.5° above and below the mean temperture . If t=1 present January ,the phase shift of the sine function is 4
a) Write the funtion for the average monthly tempperature in Buffalo
b) According to your modle ,what is the average tenperature in March ?
c) According to your modle ,what is the average tenperature in August ?

Answers

1) According to the statement, the Temperature will be modeled with a sine function.

2) a genaral sin function is of the type: Asin(mt + p) + M

where:

t is the variable

A is the amplitud: the fluction fluctuate +/- A units over the mean value. A = 23.5°

M is the mean value. M = 47.5°

m is the frequency, which we need to be 2π/12 (the complete cycle is 12 months) = m = π/6

p is the phase shift, which is 4. p = 4

Then:

a) the model or function is T(t) = 47.5° + 23.5* sin [ (π/6) t + 4]

b) T in march => t = 3

T(3) = 47.5° + 23.5° sin [ (π/6)*3 + 4] = 32.1 °


c) T in august => t = 8

T(8) = 47.5° + 23.5° sin [ (π/6)*8 + 4] = 69.7 °





The U.S. senate is composed of 2 senators from each of the 50 states. In order for a treaty to be ratified, at least two thirds of the senators present must approve the treaty. Suppose all senators are present and 48 of them have voted in favor of a treaty. What are the possible numbers of additional senators who must vote in favor of the treaty in order to radify it?

Answers

Answer: So, the possible number of additional senators who must vote in favor of the treaty in order to radify it is given by

[tex]19\leq x\leq 52[/tex]

Step-by-step explanation:

Since we have given that

Number of states = 50

Number of senators from each of the 50 states = 2

Total number of senators would be

[tex]50\times 2\\\\=100[/tex]

Since [tex]\dfrac{2}{3}[/tex] of the senators present must approve the treaty.

[tex]\dfrac{2}{3}\times 100\\\\=66.67[/tex]

Number of senators have voted in favor of a treaty = 48

So, remaining senators would be

[tex]67-48\\\\=19[/tex]

Let x be the number of senators needed.

So, Inequality would be

[tex]x\geq 19[/tex]

Now, [tex]100-48=52[/tex]

[tex]x\leq 52[/tex]

So, the possible number of additional senators who must vote in favor of the treaty in order to radify it is given by

[tex]19\leq x\leq 52[/tex]

What number between 30 and 40 has only itself as factors?

Answers

prime numbers: 31 & 37
The numbers between 30 and 40 only factors are one and themselves, and the prime numbers are 31 and 37.

Rite cut riding lawnmower obeys the demand equation p=-1/20x+1060. The cost of producing x lawnmowers is given by the function c(x)=120x+5000

a)Express the revenue R as a function of x
b)Express the profit P as a function of X
c)Fine the value of x that maximizes profit. What is the maximum profit?
d)What price should be charged to maximize profit? ...?

Answers

Final answer:

The revenue function is R = -1/20x^2 + 1060x and the profit function is P = -1/20x^2 + 940x - 5000. The value of x that maximizes profit is 9400, and the maximum profit is calculated by substituting this value into the profit function. The price to charge to maximize profit is $590.

Explanation:

a) To express revenue (R) as a function of x, we multiply the price (p) by the quantity (x):

R = p * x

Substituting the demand equation (p = -1/20x + 1060):

R = (-1/20x + 1060) * x

Simplifying:

R = -1/20x^2 + 1060x

b) Profit (P) is given by subtracting the cost (c(x)) from the revenue (R):

P = R - c(x)

Substituting the expressions for R and c(x):

P = (-1/20x^2 + 1060x) - (120x + 5000)

Simplifying:

P = -1/20x^2 + 940x - 5000

c) To find the value of x that maximizes profit, we take the derivative of the profit function with respect to x and set it equal to zero:

dP/dx = -1/10x + 940

Solving for x:

-1/10x + 940 = 0

x = 9400

d) To find the price that maximizes profit, we substitute the value of x (9400) into the demand equation:

p = -1/20(9400) + 1060

simplifying:

p = 1060 - 470

p = $590

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a) First, we must express the revenue, denoted as 'R'. Revenue is simply the price per item multiplied by the quantity of items sold. Given the demand equation 'p', we can express the revenue as follows:

R = p * x = ( -1/20 * x + 1060 ) * x

This simplifies to:

R = x * (1060 - 0.05*x)

b) Profit is revenue minus cost. We use the revenue equation from part a) and the given cost equation 'c = 120x + 5000'. Plug these into the profit equation:

P = R - c = ( x * (1060 - 0.05*x) ) - ( 120x + 5000 )

This simplifies to

P = x * (1060 - 0.05*x) - 120*x - 5000

c) To maximize profit, we need to find the derivative of the profit function and then solve for x when this derivative is equal to zero (this will find the quantity that maximizes profit). After doing this, we find that the quantity that maximizes profit is x = 9400.

If we substitute x = 9400 into the profit function, we get the maximum profit which turns out to be 4413000.

d) The price that should be charged to maximize profit is found by substituting the value of x that gave us the maximum profit into the price function. In this case, substituting x = 9400 gives us the price = 590.

Therefore, in order to maximize profit, 9400 lawnmowers should be produced and sold at a price of 590 per lawnmower, which will yield a profit of 4413000.

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What Rate Of Simple Interest Is Needed For $700 To Double,In 3 Years?

Answers

2p=p(1+3r)»2=1+3r»1=3r»r=1/3

Which equation is equivalent to –k + 0.03 + 1.01k = –2.45 – 1.81k?

Answers

k(-1+1.01)+0.03=-2.45-1.81k
0.01k+1.81k=-0.03-2.45
1.82k=-2.42
k=-2.45\1.82=1.3

The equivalent equation is: -100k + 3 + 101k = -245 - 181k

Finding the Equivalent Equation

We need to find the equation equivalent to:

-k + 0.03 + 1.01k = -2.45 - 1.81k

To eliminate decimals, we can multiply the entire equation by 100:

100*(-k + 0.03 + 1.01k) = 100*(-2.45 - 1.81k)

This simplifies to: -100k + 3 + 101k = -245 - 181k

Therefore, the equivalent equation is: -100k + 3 + 101k = -245 - 181k

Complete question:

Which equation is equivalent to –k + 0.03 + 1.01k = –2.45 – 1.81k?

–100k + 3 + 101k = –245 – 181k

–100k + 300 + 101k = –245 – 181k

–k + 3 + 101k = –245 – 181k

–k + 300 + 101k = –245 – 181k

If you were to use the substitution method to solve the following system, choose the new equation after the expression equivalent to y from the first equation is substituted into the second equation.
12x – y = –4
4x – 3y = –6
Answer
4x – 3(–12x – 4) = –6

4(12x + 4) – 3y = –6

4(–12x – 4) – 3y = –6

4x – 3(12x + 4) = –6



...?

Answers

The answer is 4x - 3(12x + 4) = -6

The system of equations is:
12x – y = –4
4x – 3y = –6

Step 1: rearrange the first equation for y.
Step 2: substitute y from the first equation into the second one.

Step 1:
The first equation is:                         12x – y = –4
After rearrangement it looks like:    y = 12x + 4

Step 2:
Substitute y from the first equation (y = 12x + 4) into the second equation:
4x – 3y = –6
4x - 3(12x + 4) = -6

Therefore, the fourth choice is correct.

Answer:

the answer to this question is 4x - 3(12x + 4) = -6 hope this helps


Convert 3/20 to a percent

Answers

Answer: 15% , you divide the Numerator by the Denominator and you will get a decimal of . 15 then you multiply that by 100 and you will get your percentage which in this case is 15%

To write a fraction as a percent, first remember that a percent is a ratio of a number to 100. If we want to convert [tex]\frac{3}{20}[/tex] to a percent, we need to find a fraction equivalent to [tex]\frac{3}{20}[/tex] that has a 100 in the denominator. We can do this by setting up a proportion.

[tex]\frac{3}{20}[/tex] = [tex]\frac{n}{100}[/tex]

Now, we can use cross products to find the missing value.

3 × 100 = 300

20 × n = 20n

300 = 20n ← Divide both sides by 20.

15 = n

Therefore, [tex]\frac{3}{20}[/tex] as a percent would be 15%.

What is the inverse of the function f(x) = 2x + 1?

h(x) = 1/2 x – 1/2
h(x) = 1/2 x + 1/2
h(x) = 1/2 x – 2
h(x) = 1/2 x + 2
What is the exact answer?

Answers

Answer:

[tex]h(x)=\frac{x}{2}-\frac{1}{2}[/tex]

Step-by-step explanation:

Hello

Step1

Let f(x)=y

f(x) = 2x + 1

(1)y= 2x + 1  

to find the inverse of f(x)

Replace every x with a y and replace every y with an x

y= 2x + 1

replacing  

x=2y+1

Step 2

Now solve the equation for y

x=2y+1

subtract 1 on both sides

x-1=2y+1-1

x-1=2y

divide boths dies by 2

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

[tex]\frac{x-1}{2} =\frac{2y}{2} \\y=\frac{x-1}{2}[/tex]

let this last equation h(x)= inverse of f(x)

[tex]h(x)=\frac{x-1}{2}\\h(x)=\frac{x}{2}-\frac{1}{2}[/tex]

Have a great day

If ON is a midsegment of KLM, find LM.

A.2
B.3
C.4
D.5

Answers

NO is 2 times LM

2(x+1) = 4x

2x + 2 = 4x

2 = 2x

1 = x

Plug that in for 4x

4(1)

4

Answer:

LM= 4

Step-by-step explanation:

In the triangle KLM, ON is the mid segment of KLM

WE use triangle Mid segment theorem

MN= twice of ON

MN= 2 times of ON

4x= 2(x+1)

distribute 2 inside the parenthesis

4x= 2x+2

Subtract 2x on both sides

4x-2x= 2x+2-2x

2x= 2

divide by 2 on both sides

x= 1

To find length of MN, we plug in 1 for x

MN= 4x= 4(1)= 4

What is 1,295.014 rounded to the nearest hundredth?

Answers

1,295.01 is 1,295.014 rounded to the nearest hundredth. The tenths place is where the 0 is after the decimal point, the hundredths place is the 1 after the decimal point, and the thousandths place is the 4 after the decimal place.

(2s+5)/(s^2+6s+34) inverse Laplace transform

Answers

(2s+5)/(s^2+6s+9+25) = (2s+6-1)/((s+3)^2+25) = (2(s+3)-1)/((s+3)^2+5^2) = 2[(s+3)/((s+3)^2+5^2) - 1/5 (5 / ((s+3)^2+5^2))
Hence inverse Laplace transform is 2e^(-3t)cos 5t - (1/5) e^(-3t)sin 5t
Final answer:

The inverse Laplace transform of (2s+5)/(s^2+6s+34) is found by completing the square in the denominator and then matching the result to a known form in the Laplace transform table.

Explanation:

The question asks for the inverse Laplace transform of the function (2s+5)/(s^2+6s+34). To find the inverse Laplace transform, we usually decompose the given function into a form that matches entries in the Laplace transform table. A common technique involves completing the square for the quadratic denominator, which enables us to match the form with the inverse transform for exponential or trigonometric functions as per standard Laplace tables.

In this case, the denominator can be rewritten as (s+3)^2 + (5^2 - 3^2) to make it resemble the denominator of the Laplace transform of a damped sine or cosine function. Next, we would separate the original function into partial fractions if necessary or directly find a corresponding entry in the Laplace transform table. Unfortunately, without further simplification, we cannot provide the exact inverse Laplace transform but you should use the approaches mentioned along with your extended Laplace table or use the convolution theorem if the function can be expressed as a product of functions.

If AZ is a midsegment of WXY, find XZ
A.7
B.9
C.12
D.14

Answers

Since it's mid segment, WZ and ZX are equal

2x + 10 = 5x + 4

Solve for x

6 = 3x

2 = x

Plug that in for 5x + 4

5(2) + 4

10 + 4

14

A regular 24 sided polygon is rotated with this center of rotation at its center what is the smallest degree of rotation needed to map the polygon back onto itself

Answers

The answer to this is 15°.

what is the range of the relation. (–2,7) (7,2) (2,7)

A. {-2,2,7}
B. {-2,7}
C. {2,7}
D. {2}

Answers

Domain:{−2,7,2}

Range:{7,2}

A hole is poked in a balloon so that every minute the balloon loses 3/10ft 3 of air. What is the total change in the number of cubic feet of air in the balloon after 5/9 min?

Answers

5/9 minutes

amount lost=times times amout lost per unit of time
amount lost=5/9 times 3/10
amount lost=15/90
amount lost=5/30
amount lost=1/6

answer is 1/6 ft³ of air

Use elimination to solve the system of equations.
2x+6y=-8 and 5x-3y=88

Answers

Okay so you just set the second equation equal to the first so that -3 = -6. Then x cancels out so you can figure out x.
x=14
Once you find that out plug it in to one of the equations and you get that 
y=6

if p(x,y) is the point on the unit circle defined by real number theta, then csc theta= _____. a. x/y. b. y/x. c. 1/x. d. 1/y.

Answers

Answer:

Option d is correct

[tex]Csc \ \theta =\frac{1}{y}[/tex]

Step-by-step explanation:

Here P(x,y) is the point on unit circle  ( unit circle has radius 1 and center (0,0))

Now in a diagram we can see that

OA= x

AP= y

radius OP =1

∠POA =θ

Now in ΔAOP

[tex]Csc\ \theta =\frac{hypotenuse }{opposite \ side} \\Csc\ \theta =\frac{OP}{AP}[/tex]

[tex]Csc \ \theta =\frac{1}{y}[/tex] ( since OP =1 and AP =y)

Answer:

1/y

Step-by-step explanation:

apex

State the X- and Y- intercepts of each function.


2/3x - 1/3y = 2

Answers

X and Y both represent the position on a graph. So, to find the X- or Y- intercepts, simply set the other value to zero. (After all, the x-intercept is when y is zero, and vice versa.)
So for X...
2/3x-1/3(0)=2
2/3x=2
/(2/3)
x=3
So the X-intercept is at (3,0).
Now, the y-intercept.
2/3(0)-1/3y=2
-1/3y=2
/(-1/3)
y=-6
So the Y-intercept is at (0,-6).

Cory earns $20 for every lawn he mows and $9 for every hedge he trims. He uses the expression 20x + 9y to keep track of his earnings.

Part A: Identify the coefficients and variables in the expression.

Part B: How many terms are in the expression, what are they, and how do you know?
Part C: Which term in the expression shows the total earned from trimming hedges?

please help.

Answers

Part A: The coefficients are 20 and 9 and variables in the expression are x and y.
Part B: The number of terms are two in the expression, they are 20x and 9y,as they are separated by an addition sign.
Part C: 9y term in the expression shows the total earned from trimming hedges.

Please help me solve this word problem:
In a round-robin chess tournament, each player is paired with every other player once. The function shown below, models the number of chess games, "N", that must be played in a round-robin tournament with "t" chess players. In a round-robin chess tournament, 55 games were played. How many players entered the tournament?

N=t^2-t divided by 2.

Answers

solve 55=(t^2−t)/2 for t
t2−t=110
t2−t−110=0
(t−11)(t+10)=0


t=11

Answer:

t = 11

Step-by-step explanation:

From the equation that gives, the number of games you can get the number t of players who participated in the ronund-robin tormeo, is:

[tex]N = \frac{t ^ 2-t}{2}[/tex]

[tex]55 = \frac{t ^ 2-t}{2}[/tex]

[tex]110 = t ^ 2-t[/tex]

[tex]t ^ 2-t -110 = 0[/tex]

[tex](t-11) (t + 10) = 0[/tex].  Then

[tex]t - 11 = 0\\t = 11\\t + 10 = 0\\t = -10[/tex]

Since t cannot take negative values, then t = 11.

The formula for the circumference C of a circle with radius r is C = 2πr. Which of the following is a formula for π (pi) of the circle in terms of the circumference and radius?

A. PI=C+2r
B: C-2r
C: PI=2R/C
D: PI/C/2R

...?

Answers

The best and most correct answer among the choices provided by your question is none of the above.

The formula for π (pi) of the circle in terms of the circumference and radius is: Pi = C/2r.


I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!

Answer:  D. [tex]\pi=\dfrac{C}{2r}[/tex]

Step-by-step explanation:

Given : The formula to find the circumference is given by :-

[tex]C=2\pi r[/tex], where r is the radius of the circle.

To find the formula for [tex]\pi[/tex] , we need to divide 2r on both of the sides in the above equation, we get

[tex]\pi=\dfrac{C}{2r}[/tex] , where  r is the radius of the circle.

Hence, the correct formula for [tex]\pi[/tex] : Option D [tex]\pi=\dfrac{C}{2r}[/tex]

Which ordered pair could not be the coordinates for a clockwise rotation of the point W(-3, 4)?

Answers

clockwise will be (-4,3)
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