Mathematics College

at a wedding dance couples have new partners nine times during a five minute song how long does one couple dance together

one couple dances toghether for _ of a minute

Answers

Answer 1
33.33333333333333333 seconds for every dance with couple

Answer 2

Final answer:

To determine how long one couple dances together, divide the total song duration by the number of times partners change plus one. With nine partner changes during a five-minute long song, each couple dances together for 0.5 minutes.

Explanation:

The question involves calculating the amount of time one couple dances together during a wedding dance if couples change partners nine times during a five-minute song. To find the answer, we need to divide the total time of the song by the number of times the partners change.

First, we find out how many times the couples will dance together. If they switch partners nine times, there will be ten different dancing intervals. Next, we divide the total length of the song by the number of intervals:

5 minutes ÷ 10 intervals = 0.5 minutes per interval.

Therefore, one couple dances together for 0.5 of a minute.

Related Questions

In October Greg and Thomas had the same amount of money in their savings account in November Greg deposited $120 into his account Thomas increased the money in his account by 20% when they compare their bounces they found out they were still equal

Answers

assume the amount of money they both deposited in october is m.
in november, greg deposited 120$, so the total amount in his account became m+120
thomas increased his account by 20%, this meams that the amount of money in his account became: m+0.2m
since both values are still equal, we will equate the two equations and solve for m:
m+120 = m+0.2m
0.2m = 120
m = 600$

is 11:17 equivalent to 17:11

Answers

Answer:

  No

Step-by-step explanation:

If these are time values, ...

  11:17 is about 5 hours 54 minutes earlier than 17:11.

___

If these are ratios, ...

  11/17 is less than 1, whereas 17/11 is greater than 1

Each is the inverse of the other.

5 minus the product of V and 7

Answers

" the product " means multiply

5 - 7V <== ur expression

2) Mr. Somers had twenty pieces of metal that were all the same length. If each piece of metal was 3 1/5 inches long and he put them side by side, what would be the total length of all the pieces together?

Answers

You would do 20 • 3=60 and the you would add 20 • 1/5=4 so, your total is 64in.

Use this equation to find dy/dx. 3y cos x = x2 + y2

Answers

Given: 3y cos x = x² + y²

Define [tex]y' = \frac{dy}{dx} [/tex]

Then by implicit differentiation, obtain
3y' cos(x) - 3y sin(x) = 2x + 2y y'
y' [3 cos(x) - 2y] = 2x + 3y sinx)

Answer:
[tex] \frac{dy}{dx} = \frac{2x+3y \, sin(x)}{3cos(x)-2y} [/tex]

what is 77.0 divided by 200

Answers

77/200 = 0.385

hope this helps
When you get your handy dandy calculator out...
77/200 comes out to equal 0.385

Find f(5) for f(x). ... .. ... ....

Answers

Plugging 5 in for x, we get (1/9)*3^5=(1/9)*243 due to that in PEMDAS, exponents come before multiplication, Next, we multiply the two to get 243 as our answer
I believe the answer is B

Find parametric equations for the line through the point ( 0,3,2 ) that is perpendicular to the line ! ! x =1+t , ! ! ! y = 3−t , ! ! z = 4t , and intersects this line. (use the parameter t ).

Answers

wgats the choices????????????????????

Country A produces about eight times the amount of diamonds in carats produced in country B. If the total produced in both countries is 9,000,000 carats, find the amount produced in each country

Answers

that would be 9,000,000,000 times 8, wich is 72,000,000,000. Because 9*8 is 72 excepts theres a 9 million.
Let X = # carats produced in country B.
Then A + B = 8B + B = 9000000  9B = 9000000
B = 1000000
A = 8xB = 8000000

what is The cost per unit?

Answers

The cost per unit is the total expenditure incurred by a company to produce, store and sell one unit of a particular product or service. Unit costs include all fixed costs, and all variable costs, involved in production.

To figure your total manufacturing cost per unit, divide your total costs by the total number of units produced. For example, say for the year your company made 1 million units and incurred production costs of $3 million. Divide your $3 million costs by the 1 million units to find your cost per unit: $3.

Ceremonies help individuals cope with loss as they facilitate the grieving process. Please select the best answer from the choices provided. T F

Answers

this answer is true ceremonies help deals with loss

Answer:

True

Step-by-step explanation:

Ceremonies do help individuals cope with loss as they facilitate the grieving process.

F(x)=x-2/x^3+x find the domain

Answers

hello : 
f  exist : x^3+x ≠ 0 
but :  x^3+x = 0
x (x²+1) =0
x= 0        x²+1 = 0    ( x² = -1  no reals solutions )
the domain is : D = ]-∞,0[ U  ]0,+∞[

A tank can be filled by one pipe in four hours and by a second pipe in six hours; and when it is full, the tank can be drained by a third pipe in three hours. If the tank is empty and all three pipes are open, in how many hours will the tank be filled?
A. 8 hours
B. 12 hours
C. 24 hours

Answers

I think its B.  In 12 hrs, the tank will be filled with
all 3 pipes open
The correct answer would be 
B) 12 hours.

Let a and b be the solutions of the quadratic equation $2x^2 - 8x + 7 = 0. Find 1/(2a)+(1/2b).

Please help me!

Answers

Hello,

[tex]2x^2-8x+7=0\\ x^2-4x+ \frac{7}{2} =0\\ So\ a+b=4\ and\ \frac{a+b}{2} =2\ (x^2-(a+b)x+a*b=(x-a)(x-b)\ )[/tex]

Train A and train B leave a central station at the same time. They travel the same speed, but in opposite directions, with train A heading towards station A, and train B heading towards station B. Train A reaches station A after 4 h. Train B reaches station B after 312 h. Station A and Station B are 562.5 mi apart. What is the rate of the trains? Enter your answer in the box.

Answers

the answer is 75 mph i took the test and it said 75 not 1.78

Answer:

its 75 i did the math a calaculator

Step-by-step explanation:

Find the mean of the data set. If necessary round to nearest tenth. 18.1,17.9,16.8,18.7,15.1

Answers

Finding the mean means find the average so we add are data set up and then divide it by the the amount we have in our data set. So

[tex]\frac{18.1+17.9+16.8+18.7+15.1}{5} = 17.32[/tex]

And if we round to the nearest tenth it would be 17.3

Compound interest £2000 for 3 years 5.5% annum

Answers

[tex]\bf \qquad \textit{Compound Interest Earned Amount} \\\\ A=P\left(1+\frac{r}{n}\right)^{nt} \quad \begin{cases} A=\textit{accumulated amount}\\ P=\textit{original amount deposited}\to &\£2000\\ r=rate\to 5.5\%\to \frac{5.5}{100}\to &0.055\\ n= \begin{array}{llll} \textit{times it compounds per year}\\ \textit{per annum, thus once} \end{array}\to &1\\ t=years\to &3 \end{cases} \\\\\\ A=2000\left(1+\frac{0.055}{1}\right)^{1\cdot 3}[/tex]

One positive number is 1/5 of another number. The difference between the two numbers is 60. Find the numbers.

Answers

Answer:

15 and 75

Step-by-step explanation:

[tex]n-second\ number\\\\\dfrac{1}{5}n-first\ number\\\\n-\dfrac{1}{5}n=\dfrac{4}{5}n-difference\ between\ the\ two\ numbers\\\\\text{Equation:}\\\\\dfrac{4}{5}n=60\qquad\text{multiply both sides ny 5}\\\\\not5\cdot\dfrac{4}{\not5}n=(5)(60)\\\\4n=300\qquad\text{divide both sides by 4}\\\\\dfrac{4\!\!\!\!\diagup n}{4\!\!\!\!\diagup}=\dfrac{300}{4}\\\\n=75\\\\\dfrac{1}{5}n=\left(\dfrac{1}{5}\right)(75)=\dfrac{75}{5}=15[/tex]

The two positive numbers are 15 and 75 respectively.

What is an expression?

Expression in mathematics is defined as the collection of the numbers variables and functions by using signs like addition, subtraction, multiplication, and division.

Let the two numbers be x and y respectively. Now let corelate the statement given in question :

One positive number is 1/5 of another number which  means x=(1/5) y

and, it is also given that the difference between the two numbers is 60 which means y -x = 60. Now solving these question by substitution method.

y-x = 60

5x-x= 60

4x = 60

x = 15

y = 75

Therefore, the two positive numbers are 15 and 75 respectively.

Read more about property of multiplication here :

https://brainly.com/question/14391436

#SPJ2

Maree is 8 years older than Aaron.
Aaron is twice as old as Rick.
All their ages add up to 28.
What are their ages?
Maree is
Aaron is
Rick is




Answers

maree is 16
Aaron is 8
Rick is 4

what is the answer? this is hard

The decimal equivalent to the binary number 0 0 0 1 0 1 1 0 is ______________.

Answers

this would be

1 + 2^1 + 2^3  =  11 in decimal 

Solve the equation 6x + 3y = 15 for y. What does y equal if x = 2? If x = 5?

Answers

Part a. 6x +3y = 15
3y = 15 -6x
y = 5 - 2x

Part b. y = 1

Part c. y = -5

Suppose that it costs ​$25 to place a classified advertisement in the​ newspaper, plus ​$3 for each line. Then the cost to place an ad x lines long is given by y​ dollars, where y=3x+25. Express an ordered pair the fact that a 2 line ad cost $31

Answers

substitute 2 for x:
y = 3(2) + 25

y = 6 + 25

y = 31

in (x,y) form:
(2, 31)

3/5 of 40 dollar restaurant

Answers

40 * 3/5
120/5
24

Hope this helps!
To find the answer times: 3/5 x 40 = 24

use multiplication and the Distributive property to find the quotient
70 divided by 5 =

Answers

once you divide 70 by 5 your answer will be 14

So is the answer - least is the negative first, them zero, them the positive?

Answers

Yes. That’s the order.

Evaluate. 7^2 - 3 + 9 × 8 ÷ 2

w =

Answers

7^2 - 3 + 9 x 8 / 2
49 - 3 + 9 x 8 / 2
49 - 3 + 72/2
49 - 3 + 36
46 + 36
82

w = 82

Any proposed solution of a rational equation that causes a denominator to equal​ _______ is rejected.

Answers

Answer:

Any proposed solution of a rational equation that causes a denominator to equal​ __ZERO__ is rejected.

Step-by-step explanation:

We will show this statement is true by an example:

Consider the expression :  [tex]\frac{x}{x-4}=\frac{x}{x-4}+4[/tex]

Now, solved the rational expression and check its proposed solution

[tex]\frac{x}{x-4}=\frac{x}{x-4}+4[/tex]

x cannot equal to 4, as it makes  both denominators equal to zero.

Multiply both the sides by (x-4),

[tex]\left ( x-4 \right )\cdot \frac{x}{x-4}=\left (x-4 \right )\cdot\left ( \frac{x}{x-4}+4  \right )\\[/tex]

Now, use the distributive property on Right hand side,

[tex]\left ( x-4 \right )\cdot \frac{x}{x-4}=\left (x-4 \right )\cdot \left ( \frac{x}{x-4} \right )+\left (x-4 \right )\cdot 4\\[/tex]

Simplify the above expression,

[tex]x=x+4x-16[/tex]

Combine like terms,

[tex]x-x-4x=-16[/tex]

[tex]-4x=-16[/tex]

Divide both sides by -4, we get

[tex]\frac{-4x}{-4}=\frac{-16}{-4}[/tex]

[tex]x=4[/tex].

As we know that x cannot equal to 4, replacing x=4 in the original expression causes the denominator equal to 0.

Check the solution: [tex]\frac{x}{x-4}=\frac{x}{x-4}+4[/tex]

Substitute the value of x=4 in the original expression,

[tex]\frac{4}{4-4}=\frac{4}{4-4}+4[/tex]

[tex]\frac{4}{0}=\frac{4}{0}+4[/tex]

Thus, 4 must be rejected as the solution, and the solution set is only 0.












Final answer:

A proposed solution of a rational equation that causes a denominator to equal zero is rejected because division by zero is not possible.

Explanation:

Any proposed solution of a rational equation that causes a denominator to equal zero is rejected. When the denominator of a rational equation is zero, the fraction becomes undefined because division by zero is not possible. In mathematics, division by zero is an undefined operation.

A couple has 4 children. what is the probability they would have four boys

Answers

.,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,1/4

Over last week,the daily low temperature in degrees Fahrenheit have been -4,6.2,18 1/2,-5.9,-1/4,and1.75.list these numbers in order from least to greatest

Answers

-5.9
-4
-1/4
.2
1/2
1.75
18
-5.9, -4, -1/4, 1/2, 1.75, 6.2, 18

Need help with number 6. Also could you tell me if I did number 5 right? Thanks

Answers

check the picture below.

thus

[tex]\bf \stackrel{0}{h}=-16t^2+64\implies 0=-16t^2+64\implies 16t^2=64\implies t^2=\cfrac{64}{16} \\\\\\ t^2=4\implies t=\sqrt{4}\implies t=\stackrel{seconds}{2}[/tex]

as far as 5, is correct, however

[tex]\bf \textit{using the pythagorean theorem}\\\\ c^2=a^2+b^2\implies c=\sqrt{a^2+b^2}\qquad \begin{cases} c=hypotenuse\\ a=adjacent\\ b=opposite\\ \end{cases} \\\\\\ c=\sqrt{15^2+8^2}\implies c=\sqrt{289}\implies c=17[/tex]
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