Mathematics College

Translate the following into a mathematical equation:
The density D of a material is directly proportional to the mass of the object M and inversely proportional to its volume V.

Answers

Answer 1
Final answer:

The density of a material is equal to its mass divided by its volume.

Explanation:

The equation that represents the relationship between density (D), mass (M), and volume (V) is: D = M/V.

This equation shows that the density of a material is equal to its mass divided by its volume.

For example, if you have an object with a mass of 10 grams and a volume of 2 cubic centimeters, you can calculate its density by dividing the mass by the volume: D = 10g / 2cm³ = 5g/cm³.

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Answer 2
Final answer:

The density (D) of a material is directly proportional to the mass (M) and inversely proportional to its volume (V). The mathematical equation for this relationship is D = k * (M / V).

Explanation:

The density (D) of a material is directly proportional to the mass (M) and inversely proportional to its volume (V). To translate this into a mathematical equation, we can write:



D = k * (M / V)



Where D represents the density, M represents the mass, V represents the volume, and k represents the proportionality constant.



This equation demonstrates that as the mass of the object increases, the density also increases, while as the volume increases, the density decreases.

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Related Questions

A music download service charges a flat fee each month and $0.99 per download. The total cost for downloading 27 songs this month is $42.72. how much is the flat fee

Answers

I believe the answer is $15.45 

Answer:

$15.99

Step-by-step explanation:

A music download service charges a flat fee each month and $0.99 per download.

Charge of downloaded 27 songs in this month = 0.99 × 27

                                                                              = $26.73

The total cost for downloading 27 songs this month = $42.72

Therefore, the flat fee = 42.72 - 26.73 = $15.99

Flat fee for the month is $15.99.

what is 3a^2 +a^2 added to a+6?

Answers

4a^2+a+6 Unless you have a Value for a this is what the answer should look like
Hope this Helps :D  

Answer:

Step-by-step explanation:

not sure if i am doing it right help please?

3a^2+a^2+a+6

3a^4+a+6

What are the solutions of 3x+5=2x-7

Answers

So you need to isolate the variable in order to get your answer. This is how you do it.

3x + 5 = 2x - 7
Subtract 2x from both sides.
1x + 5 = -7
Subtract 5 from both sides to have the variable by itself.
1x = -12
Divide 1 to both sides to find the value of x.
x = -12

Now we need to check.
3(-12) + 5 = 2(-12) - 7
-36 + 5 = -24 - 7
-31 = -31
Since both sides or the same you now know that -12 is the solution.
I hope this helps love! :)

[tex]3x+5=2x-7[/tex]                                          equation

[tex]x+5=-7[/tex]                                                 Subtract 2x from both sides

[tex]x=-12[/tex]                                                   Subtract 5 from both sides



[tex]3(-12)+5=2(-12)-7[/tex]                              Plug in for X

[tex]-36+5=-24-7[/tex]                                       Distribute 3 and 2 into -12

[tex]-31=-31[/tex]                                               simplified by + and -


Kate is 17 years old, and Victor is 12 years younger. In how many years will Kate be twice as old as Victor?

Answers

10 to 12 years I'm sure

Answer:

In 7 years

Step-by-step explanation:

Victors age: 17-12=5

Kate's age:17+7=24

Victors age:5+7=12

24 divided by 2 equals to 12.

~~~~~~~

Check your answer

5+12=17

24-7=17

12-7=5

12*2=24

if two positive fractions are less than 1, why is their product also less than 1?

Answers

The product of two positive fractions are also less than one because you are multiplying a number which is already less than 1.

For example.

1/ 2 = is 50% of a whole.

When you multiply 1/2 by 1/2 you do not get the 100% of the whole because you are only getting 50% of the 50% of the whole, which in turn is equivalent to 25% of the whole.

1/2 * 1/2 = 1/4 of the whole.

The only time you can get a result of 1 and above where two fractions are less than 1 is when you perform addition of these fractions.

1/2 + 1/2 = 1 - ALL CREDITS GO TO @TASKMASTERS!
When you multiply something (x) by a proper fraction ( less than 1 ), you always get something less than x, or the original number, because you're taking part of x and a part can't be larger than the whole.

Here's an example :
5 * 1/5 = 1
1<5

When you start with something that's less than 1 ( and positive), and you multiply it by a fraction, you get part of that positive fraction, so it will never be greater than 1.

Hope this helps!
I'm sorry if this is confusing ... it's too late for my brain to work at max level.

find the inverse of f(x) = 2x + 3

Answers

Answer:

f−1(x)=x−32

Explanation:

Follow the steps:

f(x)=2x+3

1- replace f(x) with y →y=2x+3

2- simply switch x and so the equation looks like x=2y+3

3- use algebra to solve for y. (isolate y)
x=2y+3

x−3=2y

x−32=y

This is the inverse function and is written as

f−1(x)=x−32

a patient is to take 2 4/5 tablespoons of medicine per day in 2 equally divided doses. how much medicine is to be taken in each dose?

Answers

Just divide 2 4/5 by 2:  

Convert 2 4/5 into the improper fraction 14/5, and then divide this result by 2:

7/5, or 1 2/5, tablespoons of medication, twice per day (total 2 4/5 tablespoons)

Find an equation of the line that satisfies the given conditions. x-intercept 1; y-intercept −4

Answers

My make an equation in the form y=my+b
You already have the y intercept, -4

Y=mx-4

And you have the two points (1,0) and (0,-4)
To find the slope (rise over run) to get from the two points you go over one up 4

So the slope is 4/1 or 4

The equation is:

Y=4x-4

Hope this helps!

The equation which is representing x-intercept 1; y-intercept −4 is y = 4x - 4.

How to form an equation?

Determine the known quantities and designate the unknown quantity as a variable while trying to set up or construct a linear equation to fit a real-world application.

In other words, an equation is a set of variables that are constrained through a situation or case.

Let's say the equation is y = mx + c which is the standard form of the linear equation.

Now,

At x- intercept ⇒ (1,0)

So,

0 = m(1) + c

c = -m

And y- intercept ⇒ (0,-4)

-4 = m(0) + c

c = -4

So m = 4

Therefore,

y = 4x - 4 will be the equation.

Hence "The equation which is representing x-intercept 1; y-intercept −4 is y = 4x - 4".

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G calculate the iterated integral. 8 −8 π/2 (y + y2 cos(x)) dx dy 0

Answers

[tex]\displaystyle\int_{y=-8}^{y=8}\int_{x=0}^{x=\pi/2}(y+y^2\cos x)\,\mathrm dx\,\mathrm dy=\int_{y=-8}^{y=8}(xy+y^2\sin x)\bigg|_{x=0}^{x=\pi/2}\,\mathrm dy[/tex]
[tex]=\displaystyle\int_{y=-8}^{y=8}\left(\dfrac\pi2y+y^2\right)\,\mathrm dy[/tex]
[tex]=\left(\dfrac\pi4y^2+\dfrac13y^3\right)\bigg|_{y=-8}^{y=8}[/tex]
[tex]=\dfrac{1024}3[/tex]
Final answer:

To solve the given iterated integral, integrate the function of x with respect to x and then integrate the resulting function with respect to y.

Explanation:

The given iterated integral can be solved by integrating the function of x with respect to x first and then integrating the resulting function with respect to y. The limits of integration are given as (-8, 8) for x and (0, π/2) for y.

Step 1: Integrate the function of x with respect to x.

Step 2: Integrate the resulting function of x with respect to y.

Step 3: Evaluate the iterated integral using the given limits of integration.

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A ball is thrown downward from a window in a tall building. its position at time t in seconds is s = 16t^2 + 32t, where s is in feet. how long (to the nearest tenth) will it take the ball to fall 211 feet

Answers

so When S is equal to 211
S = 16t^2 + 32t
211 = 16t^2 + 32t
Then, turn into a quadratic equation
0= 16t^2 + 32t - 211

Afterwards, simply find the roots of the equation by using your calculator formula 01.
you will be getting two answers,
t = 2.7666.... (correct to 3 significant figures)
t = -4.7666...(reject this because of its negative sign)

therefore, it will take 2.78 for the ball to fall 211 feet.

Find 20.25 + -15.711

Answers

20.25 - 15.711 = 4.539


hope this helps
4.539
Make sure if you have to show ur work line up the decimals and remember the rules to negative numbers

Each time Gertrude gets​ paid, 10​% of her pay check goes to taxes. Last​ week, ​$ 40 was taken out of her check for taxes. What was the amount of​ Gertrude's pay check last​ week?

Answers

The answer is 400. every 10% equal 100
Final answer:

Gertrude's paycheck last week was $400.

Explanation:

To find the amount of Gertrude's paycheck last week, we can set up an equation using the information given. Let's assume her paycheck amount is represented by 'x'. According to the problem, 10% of her paycheck, or 0.10x, is taken out for taxes. This amount is given as $40. So we can write the equation as 0.10x = 40. To solve for x, we divide both sides of the equation by 0.10: x = 40 / 0.10 = $400.

a choir needs new robes for each of its 46 singers. Each robe costs $32.00. What will be total cost for all 46 robes?

Answers

You would take 32 times 46 which equals 1,472
The total cost of robes for the 46 choir members would be $1472

46 * 32 = $1472

Cheryl is moving to a new house. Her old house is 3 kilometers and 457meters from her new house. How many meters is her old house from her new house.

Answers

Answer:

Her old house is 3000m+457m = 3457m from her new house.

Step-by-step explanation:

Conversion of units problems can always be modeled as a rule of three problem.

Rule of three problem:

In a rule of three problem, the first step is identifying the measures and how they are related, if their relationship is direct of inverse.

When the relationship between the measures is direct, as the value of one measure increases, the value of the other measure is going to increase too. In this case, the rule of three is a cross multiplication

When the relationship between the measures is inverse, as the value of one measure increases, the value of the other measure will decrease. In this case, the rule of three is a line multiplication.

In the case of a conversion of units problem, the measures are:

- the value in one unit

- the value in another unit

As the value of the first unit increases, so will the value of the second unit. It means that in a conversion of units problem, we will always have a direct rule of three.

The problem states that Cheryl's new house  is 3 kilometers and 457meters from her old house. The problem wants to know this distance purely in meters, so we have to convert 3km to meters. 1km = 1000m, so:

1km - 1000m

3km - xm

x = 1000*3

x = 3000m

Her old house is 3000m+457m = 3457m from her new house.

How much greater is the weight of the large box at 3/4lb than the small box at
1 1/8lbs

Answers

well, is just their difference, let's first convert the mixed fraction to "improper" and then subtract.

[tex]\bf \stackrel{mixed}{1\frac{1}{8}}\implies \cfrac{1\cdot 8+1}{8}\implies \stackrel{improper}{\cfrac{9}{8}}\\\\ -------------------------------\\\\ \cfrac{9}{8}-\cfrac{3}{4}\impliedby \textit{our LCD is then 8}\implies \cfrac{(1\cdot 9)~~-~~(2\cdot 3)}{8} \\\\\\ \cfrac{9-6}{8}\implies \cfrac{3}{8}[/tex]

5/8(x-1/3)=5/12 can someone help me figure out what x is?

Answers

Solve for x:(5 (x - 1/3))/(8) = 5/12
Put each term in x - 1/3 over the common denominator 3: x - 1/3 = (3 x)/3 - 1/3:(5 (3 x)/3 - 1/3)/(8) = 5/12
(3 x)/3 - 1/3 = (3 x - 1)/3:(5 (3 x - 1)/3)/(8) = 5/12
3×8 = 24:(5 (3 x - 1))/24 = 5/12
Multiply both sides of (5 (3 x - 1))/24 = 5/12 by 24/5:(24×5 (3 x - 1))/(5×24) = (24×5)/(5×12)
(24×5)/(5×12) = (24×5)/(5×12):(24×5 (3 x - 1))/(5×24) = (24×5)/(5×12)
(24×5 (3 x - 1))/(5×24) = (5×24)/(5×24)×(3 x - 1) = 3 x - 1:3 x - 1 = (24×5)/(5×12)
(24×5)/(5×12) = 5/5×24/12 = 24/12:3 x - 1 = 24/12
The gcd of 24 and 12 is 12, so 24/12 = (12×2)/(12×1) = 12/12×2 = 2:3 x - 1 = 2
Add 1 to both sides:3 x + (1 - 1) = 1 + 2
1 - 1 = 0:3 x = 2 + 1
2 + 1 = 3:3 x = 3
Divide both sides of 3 x = 3 by 3:(3 x)/3 = 3/3
3/3 = 1:x = 3/3
3/3 = 1:Answer:  x = 1

The above answer is correct, this answer I am sure is correct, I hope you can adopt.

What is the value of the expression below?
−5+∣9−11∣

Answers

-5+|9-11|
first, you would find the absolute value
|9-11|= |-2|=2
then the problem looks like this
-5+2= -3
So, the answer is negative three
 
You MUST perform the operation 9-11 first, since it's between the vertical "absolute value" lines:  |9-11].     Thus, |9-11] comes out as |-2|, which is equal to 2 ("the absolute value of -2 is positive 2").

Thus, -5 + |9-11|  =  -5 + 2  = -3 (answer)

Jared is 10 years old and peter is 15 years old they are brothers . Together they run 150 yards . How far does each brother run

Answers

So, pretty much age would be a distractor, so if they both run 150 yards, they could possibly run 75 yards

Answer: About 70 yards :D.

Hope this helped

A Color printer will print 8 pages per min. How many mins. will it take to report that has 136 pages?

Answers

it will take 17 minutes to print 136 pages.
It will take 17 minutes hope this helps:)

The sum of two numbers is 62. The smaller number is 18 less than the number.what are the numbers ?

Answers

hmmm assuming you meant "is 18 less than the larger number".

let's say the numbers are "a" and "b".

a = smaller number
b = larger number

a = b - 18

[tex]\bf \begin{cases} a+b=62\\ \boxed{a}=b-18\\ ----------\\ \left( \boxed{b-18} \right)+b=62 \end{cases} \\\\\\ 2b-18=62\implies 2b=80\implies b=\cfrac{80}{2}\implies b=40[/tex]

what's a?  well, a = b - 18.

You have 120 pieces of fabric to make a blanket. Each piece of fabric is a square with a side length of 6 inches. You use as many squares as possible to make a square blanket. What is the area of the blanket? How many pieces are left over? How many more pieces of fabric would you need to increase the size of the blanket?

Answers

 

A. Since the blanket to be made is a square, therefore there should be equal number of fabric on all sides. So find the square root of 120.

number of fabrics = sqrt (120) = 10.95

Since number of fabrics cannot be decimal, therefore the largest number of pieces of fabric per side is 10 (length and width).

Since each fabric measures 6 inches, so total length per side is 60 inches. The area is therefore:

Area of blanket = 60 in * 60 in = 3600 square inches

 

B. Since the two sides, length and width, has same number of fabrics which is 10, so total number used is = 10 * 10 = 100

So the left-over are 120 – 100 = 20 fabrics left over

 

C. To create a bigger blanket, it would require 11 fabrics per side, so total number used would be = 11 * 11 = 121

Therefore only 1 additional piece of fabric is required.

A local little league has a total of 60 players 80 percent are right handed. How many right handed players are there

Answers

Just find 80% of 60 players:  0.80(60 players) = 48 players are rt. handed.

There are 48 right handed players

If it is sunny, then I will have a picnic.
Today it is sunny

1)I will have a picnic today
2)if I am having a picnic, it must be sunny
3)if it is not sunny, then I will not have a picnic
4)not possible

Answers

Answer:

Answer not possible

Step-by-step explanation:

B

D

A

A

A

C

A

B

A

B

D

B

D

B

D

A

C

invalid

the rest on you guys yw

honors geom

A family has a monthly income of ​$3300 and plans to spend 11​% of this amount on entertainment. How much will be spent on​ entertainment?

Answers

$363 just divide $3300 by 0.11
363 dollars is your answer
Hoped i helped

Which set of fractions is ordered from greatest to least? 11/12, 7/10, 5/6

Answers

The fractions ordered from least to greatest are 7/10, 5/6, and 11/12. This is because 5/6 = 11/12 and 7/10 equals closer to 2/3.

Trish has 9 boxes of pencils. Raj has 2 boxes of pencils. There are 10 pencils in each box. How many they have

Answers

Trish has 90 pencils 
Raj has 20 pencils
9x10=90 2x10=20 so 20+90 =110

ulia spends $6.25 on gas for her lawn mower. She earns $17.00 mowing her neighbor's yard. What is Julia's profit?

Answers

Profit = Income less expenses:   $17.00 - $6.25 = $10.75  (answer)
Her profit is 10.75 hope this helped
17.00-6.25=10.75

What is the product of -2 1/2 and -3 1/3

A. -8 1/3
B. -6 1/6
C. 6 1/6
D. 8 1/3

Answers

-2 1/2 x -3 1/3
= -5/2 x -10/3
= 25/3
= 8 1/3

answer
D. 8 1/3
(A) negative 8 and 1/3

Write an equation and solve. 21 is 35% of what number?

Answers

It's 35% of 60. You can create a ratio. I included the ratio but you can easily substitute 60 with the variable x.
(21/60)=(35/100)

If a grouping of numbers, variables, operators and/or functions used to represent a specific mathematical computation or connection is known as an expression. The expression 21  of  35% is 60.

What is the expression?

Let x represent  the unknown number

The given data states that 21 is 35% of that unknown number.

Mathematically we can express this relationship as an equation:

0.35 * x = 21

To solve for x divide both sides of the equation by 0.35:

x = 21 / 0.35

Evaluating the expression on the right side of the equation:

x = 60

Therefore, 21 is 35% of 60.

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How to find the slope of (20/8) and (9,16)?

Answers

is that supposed to be (20,8)?
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