12. A DJ for the school dance plans to play
dance music for two hours. She has 20
requests for songs, and each song plays 31/2 minutes. If she playa all of the requests, how much time will she have to play other songs?

Answers

Answer 1

Answer:

50

Step-by-step explanation:

So, put 2 hours into minutes. You get 120. Now, seeing how you have 20 song requests, and each one takes 3.5 minutes, multiply those two values. Now you have 70. After doing that, just subtract 70 from 120 and get 50.


Related Questions

Use the GCF and the Distributive Property to find the sum of 38 + 57

Answers

Answer:

  95

Step-by-step explanation:

You want the sum of 38 and 57 by making use of the GCF and the distributive property.

GCF

The GCF of two numbers can be found by looking at their difference (or their remainder when one divides the other). Here, that is ...

  57 -38 = 19

This value is a factor of both numbers, so is their GCF.

Distributive property

The distributive property tells us how to express the sum with the GCF factored out:

  38 +57 = 19(2 +3)

Then the sum is ...

  19(2 +3) = 19(5) = 95

The sum is 95.

Which point is an x-intercept of the quadratic function f(x) = (x + 6)(x – 3)?

(0,6)
(0,–6)
(6,0)
(–6,0)

Answers

Answer:

( -6 , 0 )

Step-by-step explanation:

the other one would be ( 3 , 0 ) but hope this helps !!

graph a function with a domain of all real numbers less than -4?
y

Answers

The range is the set of y values.

how to sketch a plot of the line x=−1 .

Answers

Answer:

See explanation

Step-by-step explanation:

Help please I don’t get it

Answers

Answer:

Step-by-step explanation:

-5 - 9x = 3-9x-8  (Used distributive property)

-5 - 9x = -9x-5  (-8+3 = -5)

- 9x = -9x  (Add 5 to both sides)

0 = 0 (Add 9x to both sides)

uijuguiobhj,mn,mgvplsssss

Answers

Step-by-step explanation:

adding 93 to itself 6 times

dividing 558 by 6

Answer:

3

Step-by-step explanation:

find the measure of the angle indicated x + 96 x+ 96

Answers

The measure of the angles shown is 90 degrees

Lines and angles

A line is defined as the shortest distance between two points while the point where two lines meet is known as an angle.

From the given diagram, the sum of both adjacent angles is supplementary to have:

x + 96 + 96 + x = 180

2x + 192 = 180

2x = 180 - 192

2x = -12

x = -6

Substitute the value of x into the expression

<d = x + 96

<d = -6 +96

<d = 90 degrees

Hence the measure of the angles shown is 90 degrees

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The graph of the function f(x) = (x + 2)(x + 6) is shown below.

On a coordinate plane, a parabola opens up. It goes through (negative 6, 0), has a vertex at (negative 4, negative 4), and goes through (negative 2, 0).

Which statement about the function is true?

The function is positive for all real values of x where
x > –4.
The function is negative for all real values of x where
–6 < x < –2.
The function is positive for all real values of x where
x < –6 or x > –3.
The function is negative for all real values of x where
x < –2.

Answers

The correct statement regarding the graph of the function f(x) = (x + 2)(x + 6) is given by:

The function is negative for all real values of x where -6 < x < -2.

What is the missing information?

The graph of the function f(x) = (x + 2)(x + 6) is missing, and is given at the end of the answer.

When a function is positive and when it is negative?

We have to look at the graph of the function relative to the x-axis, as follows:

A function is positive when it is above the x-axis.A function is negative when it is below the x-axis.

Hence, for function f(x) = (x + 2)(x + 6), we have that:

It is positive for x < -6 and x > -2.It is negative for -6 < x < -2.

Hence the correct statement for the signal of the function is given as follows:

The function is negative for all real values of x where -6 < x < -2.

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K
2
Create a proportion to solve for x.
16
22
11
A pease help please mb

Answers

Im not sure but thanks for the points (:

If y= -252 when x = 84, what is Y when X =74?

Answers

Answer:

Step-by-step explanation:

So lets turn this into a ratio

-252/84

so now we need to know

y/74

So, -252/84= -3

so y/74 needs to be equal to -3

74*-3 =  222

-222/74=-3

So our answer is y = -222

Hope this helps!!^^

10. You're conducting a vertical jump test on your athletes. This individual just broke the school record
(woohoo!) and achieved a height of 40 inches (1.016m). Calculate their 1) initial velocity and 2) flight time.
1.016m

Answers

The jump of the athlete to 40 inches, (1.016 m) is obtained using an initial velocity and time calculated as follows;

1) The initial velocity of the athlete is approximately 4.475 m/s

2) The time of flight which is the time to reach 40 inches and back is approximately 0.91 seconds

Which equation can be used to calculate the velocity and time of the motion?

The height achieved by the athlete, h = 40 inches

40 inches = 1.016 m

Required;

1) The initial velocity

Solution;

From the kinematic equation of motion, for a free fall, we have;

v² = u² - 2•g•h

Where;

v = The velocity at the final point = 0 (The athlete stops upward motion at the 1.016 m height and starts downward motion

u = The initial velocity

g = Acceleration due to gravity ≈ 9.81 m/s²

h = The height = 1.016 m

Which gives;

0² = u² - 2 × 9.81 × 1.016

u² = 2 × 9.81 × 1.016 ≈ 19.93392

u = √(19.93392) ≈ 4.465

The initial velocity of the athlete, u, is approximately 4.465 m/s

2) The flight time;

The flight time can be found using the equation;

v = u - g•t

Which gives;

t = (u - v)/g

Where;

t = The time taken to reach maximum height.

Therefore;

t ≈ (4.465 - 0)/9.81 ≈ 0.455

The time taken to reach the record height is the same as the time to land back on the ground, which gives;

Time of flight = t + t = 2•t

The time of flight ≈ 2 × 0.445 ≈ 0.910

The time of flight is approximately 0.91 seconds.

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(7 x 10^7) divide (2 x 10^5)

Answers

Answer:350

Step-by-step explanation:

(7 x 10^7)/(2 x 10^5)=350

70000000/200000=350

Please help me, I need it right now

Answers

Answer:

Step-by-step explanation:

instead x in f(x) we put g(x) in it.

f(g(x))= 3(7x-3)+1

=21x - 9 +1= 21x -8

Given m \| nm∥n, find the value of x.
m
n
t
(x+5)°
(x-13)°

Answers

Answer:

5

Step-by-step explanation:

564 is divided by 3 = 4

What is 333 divided by 666

Answers

Answer:

333 ÷ 666 = 0.5

Step-by-step explanation:

Hope it helps!!! :)

Answer: 0.5

Step-by-step explanation:


Use the formula for computing future value using compound interest to
determine the value of an account at the end of 4 years if a principal
amount of $2,500 is deposited in an account at an annual interest rate of
5% and the interest is compounded daily. (Assume there are 365 days in
a year.)
The amount after 4 years will be $
(Round to the nearest cent as needed.)

Answers

The Total amount after 4 years will be $3000 and interest will be $500.

The rate at which you borrow or lend money is called the simple interest. If a borrower takes money from a lender, an extra amount of money is paid back to the lender. The borrowed money which is given for a specific period is called the principal. The extra amount which is paid back to the lender for using the money is called the interest.

You calculate the simple interest by multiplying the principal amount by the number of periods and the interest rate. Simple interest does not compound, and you don’t have to pay interest on interest. In simple interest, the payment applies to the month’s interest, and the remainder of the payment will reduce the principal amount.

The simple interest calculation's mathematical formula:

A = P (1+rt)

P = Principal Amount

R = Rate of interest

t = Number of years

A = Total accrued amount (Both principal and the interest)

Interest = A – P.

Total amount after 4 years

⇒ $2,500 (1+5%×4)

⇒ $2,500 ×1.2\

⇒ $3000

interest= $3000 - $2,500=  $500.

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Plot the inequality on the number line.

x≤1 or x>8

Answers

The attached graph represents the graph of the inequality x ≤ 1 or x > 8

What are inequality expressions?

Inequality expressions are mathematical statements that are represented by variables, coefficients and operators where the opposite sides are not equal

How to plot the inequality on the number line?

The inequality expression is given as

x ≤ 1 or x > 8

When an inequality is represented with < or >, then we make use of the open circle to represent the inequality.

Otherwise, we make use of the closed circle to represent the inequality.

Using the above as a guide, we have the following representations:

x ≤ 1 -> Closed circle

x > 8 -> Open circle

See attachment for the graph of the inequality

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Writing a multi-step equation for a real-world situation
TechWiz Electronics makes a profit of $35 for each MP3 player sold and $18 for each DVD player sold. Last week, TechWiz sold a combined total of 118 MP3 and DVD players.
Let x be the number of MP3 players TechWiz sold last week. Write an expression for the combined total profit (in dollars) TechWiz made from MP3 and DVD players last week.
total profit (in dollars)

Answers

The required expression is 17x + 2124 which represents the combined total profit (in dollars) TechWiz made from MP3 and DVD players last week.

What is the algebraic expression?

Algebraic expressions are mathematical statements with a minimum of two terms containing variables or numbers.

What are Arithmetic operations?

Arithmetic operations can also be specified by adding,  subtracting, dividing, and multiplying built-in functions.

Let the number of MP3 players TechWiz sold last week would be x.

Here TechWiz Electronics makes a profit of $35 for each MP3 player sold.

Last week, TechWiz sold a combined total of 118 MP3 and DVD players.

As per the condition,

So the required expression for the combined total profit would be:

= 35x + 18(118-x)

= 35x + 2124 - 18x

= 17x + 2124

Hence, the required expression is 17x + 2124 which represents the combined total profit (in dollars) TechWiz made from MP3 and DVD players last week.

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As an introduction to probability, a student is asked to roll
a fair, six-sided number cube seven times. The results of
those seven rolls are shown below.
1, 4, 4, 4, 4, 6, 5
What is the range of the data?
01
1.53
4
5

Answers

Answer:

Step-by-step explanation:

Based on the calculations, the IQR of this data is equal to 2.

How to determine the IQR of this data?

IQR is an acronym for interquartile range and it is a measure of the middle 50% of data values when they are ordered from lowest to highest.

Next, we would order the data from lowest to highest and then determine the median as follows:

Data = {1, 4, 4,} 4, {4, 6, 5}

Median = 4.

For Q₁ of the lower half of the data, we have:

Lower half = {1, 4, 4,}

Q₁ = 4.

For Q₃ of the upper half of the data, we have:

Upper half = {4, 6, 5}

Q₃ = 6.

Mathematically, IQR is the difference between quartile 1 (Q₁) and quartile 3 (Q₃):

IQR = Q₃ - Q₁

IQR = 6 - 4

IQR = 2.

Answer by

Lanuel

The results of those seven rolls that are shown shows that the range is 5.

What is range?

The range is the size of the smallest interval which contains all the data and provides an indication of statistical dispersion. It is measured in the same units as the data.

Given that a six-sided die is rolled 7 times, to give 1, 4, 4, 4, 4, 6, 5, we need to find the range,

The numbers that are gotten include:

1, 4, 4, 4, 4, 6, 5.

It should be noted that range is calculated as:

R = Highest value - Lowest value

R = 6 - 1

R= 5

Therefore, the range from the numbers given is 5.

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Parallelogram+RSTU+is+rotated+180°+clockwise+about+the+origin.+How+many+pairs+of+parallel+sides+ Does the rotated figure have

Answers

RSTU ≅ R'S'T'U' and R'S'T'U' is also a parallelogram with two pairs of parallel sides.

Given that, parallelogram RSTU is rotated 180° clockwise about the origin.

We need to find how many pairs of parallel sides the rotated figure has.

What is the rotation of 180°?

Rotation of a point through 180°, about the origin when a point M (h, k) is rotated about the origin O through 180° in an anticlockwise or clockwise direction, it takes the new position M' (-h, -k).

The given transformation was performed on parallelogram RSTU = 180° clockwise rotation.

Given that a rotation is a form of rigid transformation, the shape and size of the preimage RSTU will be equal to the shape and size of the image R'S'T'U'.

Therefore, RSTU ≅ R'S'T'U' and R'S'T'U' is also a parallelogram with two pairs of parallel sides.

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Your question is incomplete, probably the complete question/missing part is:

Parallelogram RSTU is rotated 180° clockwise about the origin. How many pairs of parallel sides does the rotated figure have?

a company sold yogurt in 120 g pots and one-eight of the content of the pots was chopped fruit, it is then decided to make the pots of yogurt 2/3 of their original weight with 1/5 fruit. will the company use more or less fruit per new design?

Answers

Answer:

More fruit for the new design.

Step-by-step explanation:

120 times 2/3 is 80.

1/5 of 80 is 16.

1/8 of 120 is 15.

15 < 16, so the second design has more fruit.

what is the measure of angle COW?

Answers

Answer: c: 52

Step-by-step explanation:

the angles are congruent as shown by the hashmarks in the arks so you just need to double it

Answer:

c. 52°

Step-by-step explanation:

Since part of the angle is given (26°) and both parts of the angle are equal. 26° + 26° = 52°

How do I simplify this?

Answers

Answer:

Hello,

Step-by-step explanation:

[tex]\dfrac{1}{\sqrt{1} +\sqrt{2} } =\dfrac{\sqrt{2} -\sqrt{1}}{(\sqrt{2} +\sqrt{1})*(\sqrt{2} -\sqrt{1}) } =\dfrac{\sqrt{2} -1}{2-1} =\sqrt{2} -1\\\\\dfrac{1}{\sqrt{2} +\sqrt{3} } =\dfrac{\sqrt{3} -\sqrt{2}}{(\sqrt{3} +\sqrt{2})*(\sqrt{3} -\sqrt{2}) } =\dfrac{\sqrt{3} -\sqrt{2}}{3-2} =\sqrt{3} -\sqrt{2}\\\\\\\dfrac{1}{\sqrt{n-1} +\sqrt{n} } =\dfrac{\sqrt{n} -\sqrt{n-1}}{(\sqrt{n} +\sqrt{n-1})*(\sqrt{n} -\sqrt{n-1}) }=\sqrt{n} -\sqrt{n-1}\\\\[/tex]

[tex]\\\dfrac{1}{\sqrt{1} +\sqrt{2} } +\dfrac{1}{\sqrt{2} +\sqrt{3} } +...+\dfrac{1}{\sqrt{n-1} +\sqrt{n} } =\boxed{\sqrt{n} -1}\\[/tex]

the sum of a number and three is forty-one find the number

Answers

Answer:

38

Step-by-step explanation:

38+3=41

thats the answer

brainliest please

solve for v -4v=-24 simplify your answer as much as possible


this is Multiplicative property of equality with integers

Answers

Answer:

v = 6

Step-by-step explanation:

Given equation:

-4v = - 24

Divide both sides by - 4:

-4v / - 4 = - 24 / -4v = 6

Answer:

The value of v is 6.

Step-by-step explanation:

Solving for the value of v,

→ -4v = -24

→ v = (-24)/(-4)

→ v = 24/4

→ [ v = 6 ]

Hence, the value of v is 6.

Find the Distance between the two points . (2,5) and (-4,7).

Answers

Answer:

6.32

Step-by-step explanation:

They gave you everything you need in the question - just plug the x and y values in where they showed you. (2, 5) is your (x1, y1) and (-4, 7) is your (x2, y2)

Please explain what are integers?

Answers

An integer is the number zero, a positive natural number or a negative integer with a minus sign.

Answer:

: integers

1.

a number which is not a fraction; a whole number.

How many quarts of pure antifreeze must be added to 3 quarts of a 10% antifreeze solution to obtain a 30% antifreeze solution?

_quart(s) of pure antifreeze must be added.

Answers

There are 0.857 quarts of pure antifreeze that must be added to 3 quarts of a 10% antifreeze solution to obtain a 30% antifreeze solution.

What is the percentage?

The percentage is defined as a ratio expressed as a fraction of 100.

We have been given that there is 10% times 3 quarts or 0.3 quarts of antifreeze in the current mix and we want a 30% solution.

Let the amount of pure antifreeze to be added would be x

The equation to solve becomes,

⇒ (0.3 + x )/(3 + x) = 0.3

⇒ (0.3 + x ) = 0.3 × (3 + x)

⇒ (0.3 + x ) = 0.9 +0.3x

⇒ 0.7x = 0.6

⇒ x = 0.857

Therefore, we need to add 0.857 quarts of pure antifreeze to the current solution to make a 30% solution.

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Pls help!!
Write and solve the problem. Type your answer into the answer box. -2 2/3 + 1 4/5

Answers

Answer: If i did it right it should be -0.866

Step-by-step explanation:

Find the Domin and range f(x) =-2(x+3)2 -5

Answers

Domain and range of [f(x) =-2(x+3)2 -5] are as follows: x in RR, y in [-∞, -5].

What in mathematics are domain and range?

The range of values that we are permitted to enter into our function is known as the domain of a function. The x values for a function like f are contained in this collection (x). A function's range is the range of values that it can accept as input. The function produces this list of values once we enter an x value.

according to given information;

This is a polynomial of degree 2, "domain is x in RR," and "to determine the range, we require the vertex and if maximum" or "minimum turning point," the equation of the polynomial's vertex and range."" a parabola in "color(blue)"vertex form" is.

•(x)y=a(x-h)²+k

"where "(h,k)" are the coordinates of the vertex and a"

"is a multiplier"

f(x)=-2(x+3)²-5" is in this form"

"with "(h,k)=(-3,-5)" and "a=-2

"since " a <0" then maximum turning point"

"range is "y in(-oo,-5]

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Other Questions
U and V are mutually exclusive events.P(U) = 0.29P(V) = 0.38Part (a)P(U AND V) =Part (b)P(UV)=Part (c)P(U OR V)= Read the excerpt from "Daughter of Invention"."Sticks and stones don't break bones," she chanted. Yoyo could tell, though, by the look on her face, it was as if one of those stones the kids had aimed at her daughters had hit her. But she always pretended they were at fault. "What did you do to provoke them? It takes two to tangle, you know."In this excerpt, the uniqueness of Lauras speech is revealed by her .grammarrhyming wordswordinessword usage In the context of the text, what are the costs and benefits of technology? Why do you thinkdystopian fiction focuses on thethe benefits?costs of technology? Do the costs of technology outweigh Find an equation of the line that satisfies the given conditions. Through (1, 6); parallel to the line x + 2y = 6 What can scansion tell you about a line of poetry?a. whether or not the line has a meterb. the kind of mood its images createc. where it fits in the poem's rhyme schemed. how effect its metaphors will be What is a metaphor?A. A description that uses an unexpected comparison or contrast topoint out truth.B. A phrase the describes a similarity using comparison words like"as" or "like".C. A phrase that describes a similarity but does not use comparisonwords.D. A description that uses precise words to describe an event by timeand location. PREVIOUS If a company purchases a bond with the expectation that it will be held until maturity, it will most likely be recorded on the balance sheet at:_________ In what ways does economic development initiatives impact the people, culture, and/or environment of a place if not handled carefully? 50 pts if you can solve this correctly PLEASE HELP !You go to a store to buy sneakers. You have a coupon for $15 off. Write a function f(d) that models this discount on an item that costs d dollars Help me out!!!Is due today!! 394.8255.75 helppppppppppp the price of a scooter and a cycle are in the ratio 5:2 if the scooter costs ruppes 4,200 more than the cycle ,whats the price of the cycle If y= -252 when x = 84, what is Y when X =74? Read the sentence. when they arrived at the beach, the students who had never seen the ocean before ran toward the shore. which part of the sentence is an adverbial dependent clause? when they arrived at the beach the students who had never seen the ocean before ran toward the shore graph a function with a domain of all real numbers less than -4?y why would a drug addict end up in a rehabilitation center Please help me asap ! Which of the following may private club not do What is/are the contribution of the ancient modern philosophers in open up a new perspective of understanding the self?