if a magical coin doubles every day how much days would it take for the number of magical coins to exceed 50,000 ?

Answer:

4 seconds

Step-by-step explanation:

In all movement problems, the time is given by finding the ratio between the distance the object moved and the speed the object moved at.

Therefore, [tex]t = \frac{20}5 = 4\text{s}[/tex]

Answer:

The answer should be 4 seconds :)

I don't see a solution to the given expression.

Expand [tex]3(x-2)+6: 3x[/tex]

[tex]3x=3x-6[/tex]

Subtract 3x from both sides.

[tex]3x-3x=3x-6-3x[/tex]

Simplify.

[tex]0=-6[/tex]

Considering the sides are not equal, there is no solution to the given expression.

In mathematical terms, Number Line is defined:

A visual representation of numbers(whole, natural, decimal, integers, fraction) using a horizontal line drawn straight with equal spacing divisions that represent each number.

Numbers are marked at equal intervals ans it is used to illustrate basic numeric operators. There is no limit to a number line, which means that it expands to positive and negative infinity. The middle of the number line is represented by zero, and on the right side are all the positive values up to the positive infinity. The same for the left side where are all the negative values are listed up to the negative infinity.

Now what is given to us in the question statement are a bunch of decimals. We know decimal numbers are considered real numbers and thus can easily be plotted on the number line. In order to plot the decimal numbers, we need to mark the intervals with decimals values.

The image attached below gives a clear representation of how the numbers will be plotted.

Values closer to 0, like 0.75, and 0.705, will be plotted more towards the right, and those away from zero, like 0.44, 0.279 will be plotted more towards the left of zero.

1.008 will be plotted after 0 and 1 on the number line (towards the right of the zero).

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Answer:

  x = 70°

  y = 35°

Step-by-step explanation:

Given one angle of a triangle is 75° and the other two are 'x' and 'y', you want to find the possible values of 'x' and 'y' when x = 2y.

The angle sum theorem and the given relation give rise to two equations:

  75 +x +y = 180

  x = 2y

Using the second equation to substitute for x in the first equation, we have ...

  75 +(2y) +y = 180

  3y = 105 . . . . . . . . . subtract 75 and simplify

  y = 105/3 = 35

  x = 2y = 2(35) = 70

The measures of angles x and y are 70° and 35°, respectively.

The offer that will make her more money and how much more will she make is

This is further explained below.

Generally, the equation for the total made is  mathematically given as

T= flat rate +(hours worked*hourly pay)

Therefore, for the first family

T= 40 + (6+5)

T=$51

For the 2nd family

T'= 20 + (6+10)

T'=$36

In conclusion, the offer that will make her more money and how much more will she make is

T'=51-36

T'=$15

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CQ

Simone wants to babysit this weekend to make some extra money she changes a flat fee then changes per hour or part thereof that she babysits Saturday afternoon she will babysit for 6 hours she had to choose between two families to babysit for. the first family offers her 40 plus $5 per hour. The second family offers her $20 and $10 per hour. Which offer will make her more money and how much more will she make

The new exponent for the power of 10 after rewriting the number correctly in scientific notation is 2

The number written in scientific notation is given as.

0.0038 × 10^5

A number written in scientific notation is represented as.

a x 10^b

Where a is any real number between 1 and 10

So, we have

0.0038 × 10^5

Express 0.0038 as a real number between 1 and 10

This gives

0.0038 × 10^5 = 3.8 × 10^-3 × 10^5

Evaluate the products

0.0038 × 10^5 = 3.8 × 10^2

Hence, the new exponent for the power of 10 after rewriting the number correctly in scientific notation is 2

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After solving the expression 4 − (x + 2) < −3(x + 4), we get the value of x as x < - 7.

We are given the expression:

4 − (x + 2) < −3(x + 4)

Subtract 4 from both the sides, we get that:

4 - x - 2 - 4 < - 3 x - 12 - 4

- x - 2 < - 3 x - 16

- x + 3 x < - 16 + 2

2 x < - 14

x < - 14 / 2

x < - 7

Therefore, after solving the expression 4 − (x + 2) < −3(x + 4), we get the value of x as x < - 7.

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2y+x/3=-6  is a linear equation.

An equation is written to equate two or more unknown variables and formulating a relation between them.

Equations are of various types such as:

The given equation is 2y+x/3=-6.

Here the power of both the variables is 1. Hence it can be classified as a linear equation in two variables.

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The value of x is 13° and the value of y is 131°

From the question, we are to determine the values of x and y

From the given diagram, we can write that

(3x + 10)° + 90° + (2x + 15)° = 180°  (Sum of angles on a line segment)

Solve for x in the equation

(3x + 10)° + 90° + (2x + 15)° = 180°

3x° + 10° + 90° + 2x° + 15° = 180°

Collect like terms

3x° + 2x° = 180° - 10° - 90° - 15°

5x° = 65°

x = 65/5

x = 13°

Also

y + (3x + 10)°  = 180° (Sum of angles on a line segment)

Put the value of x into the equation

y + (3(13) + 10)°  = 180°

y + (39 + 10)°  = 180°

y + 49°  = 180°

y = 180° - 49°

y = 131°

Hence,

x = 13° and y = 131°

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The unit rate is $26.98

Unit rate can be described as the price of a single item. From the question, we are required to find the unit rate of 1 penguin

The unit rate can be calculated as follows

7 penguins = 188.88

1 Penguin= x

Cross multiply both sides

7x= 188.88

x= 188.88/7

x= 26.98

Hence the unit rate is $26.98

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The simplest form of the expression is a⁴ b¹/₂ which is option (B)   .

We have given an expression  (a²/¹ b¹/⁴)² .

On simplifying , we get

(a²/¹ b¹/⁴)² = [tex]a^{2\times2} \ \ b^{2/4}[/tex]

                 = a⁴ b¹/₂

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The complete question is given below :

What is the simplified form of (a²/¹ b¹/⁴)²?

(A) a⁴/₅ b⁹/₁₆ (B) a⁴ b¹/₂ (C) a b (D) (a b)¹⁷/₆

If x and y are directly proportional and we take a third of x we also have to take a third of y, which means we have to multiply y by 1/3.

Two quantities when they are in direct proportion increase or decrease by the same constant and when they are inversely proportional if one quantity increases the other quantity decreases.

We know when two quantities are directly proportional we can relate them by proportionality as x ∝ y or x = ky.

∴ if we take 1/3 of x to maintain the equality we have to multiply y also by 1/3.

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Answer: A. A one time discount of 38%.

How much will the shirt cost when given scenario (a) that gives a one time discount of 38%? : $46.50

How much will the Shirt cost when giving scenario (b) that gives a discount of 14% followed by a 24% discount? $49.02

The coordinates of the image is (4,-1) that is option D) is correct.

According to the question we have been given that

        the point to be rotated = (-4,1)

           center = (-3,0)

        Rotation = 180° counterclockwise.

Note that when the point is rotated 180° counterclockwise then the coordinate of the image point will be

   (x , y ) = (-x , - y)

For the coordinates of the image first we translate the center to the origin that is

    (-3,0) = (-3+3,0) = (0,0)

Now we will do same for the point that is,

   (-4 , 1) = (-4+3 , 1) = (-1,1)

Now the points are (-1,1). Thus the image will be  

   (-1,1) = (-(-1), -1) = (1,-1)

Now undoing the original translation :

  (1,-1) = (1+3,-1) = (4,-1)

Hence the coordinates of the image is (4,-1) that is option D) is correct.

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Answer:

subtract 6

Step-by-step explanation:

note there is a common difference between consecutive terms, that is

45 - 51 = - 6

39 - 45 = - 6

33 - 39 = - 6

27 - 33 = - 6

21 - 27 = - 6

the rule being used to make the pattern is subtract 6

this is an arithmetic sequence for which an nth term rule can be found

Answer:

subtract 6

Step-by-step explanation:

the pattern is made by subtracting 6 from the previous number

The car will move with a force of 1200 N in forward direction .

The correct option is D .

Data obtained from the question

Forward force = 2000 N

Force of air resistance = 800 N

Net force the car will use to move as illustrated below:

Net force = forward force - force of air resistance

Net force = 2000N - 800N

Net force = 1200 N forward

The net force represents the overall force acting on the car. In this case, the net force is 1200 N forward. This means that the car will experience a force of 1200 N pushing it in the forward direction.

Thus, the car will move with a force of 1200 N in forward direction .

The correct option is D .

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If Tess and Alice are both on the swim team. Last practice, they each swam laps for the same amount of time, but Tess finished more laps. This weekend, they're swimming the same number of laps at a swim meet. The person that will likely finish first is: Tess.

Since Tess finished more laps first when she and Alice both swam laps at the same number of time, which in turn means that there is likelihood or tendency that Tess will finish first.

Based on this we can conclude that Tess swab faster that Alice and may likely finish the swam lap before Alice if the both swim the same number of laps.

Therefore if  this weekend, they're swimming the same number of laps at a swim meet. The person that will likely finish first is: Tess.

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The expression that represents the maximum number of attendees at Jets, Dolphins, and Patriots home games during the season is 82,500 j + 65,326 d + 66829 p.

We are given that:

Team                        Number of seats

Jets                                 82,500

Dolphins                         65,326

Patriots                           66,829

The number of attendees at the jets home games = j

The number of attendees at the Dolphins home games = d

The number of attendees at the Patriots home games = p

So, the maximum number of attendees can be written by the expression:

82,500 j + 65,326 d + 66829 p.

Therefore, we get that, the expression that represents the maximum number of attendees at Jets, Dolphins, and Patriots home games during the season is 82,500 j + 65,326 d + 66829 p.

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Your question was incomplete. Please refer the content below:

We are given the data as:

Team                        Number of seats

Jets                                 82,500

Dolphins                         65,326

Patriots                           66,829

Write an expression that represents the maximum number of attendees at Jets, Dolphins, and Patriots home games during the season. Let j be the number of Jets home games, d be the number of Dolphins home games, and p be the number of Patriots home games.

The percentage of increase in the price of  the car is 32%

Percentage increase means adding the given percentage of  value to the original value.

To calculate this percentage increase:

            =  100{( final value - initial value )/initial value}

Given that last month online price of powered ride-on car was $250

and this month this cost is $330

Initial value = $250

Final value  = $330

Percentage increase =  100{ ( 330 -250 )/250} =100*0.32 = 32%

This the percentage increase in the price of the powered ride-on car is 32%

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Answer: 8 bills of each.

Step-by-step explanation:

10x 8=80

5x8=40

1x8=8

=128

Charlotte can obtain that which website generated more revenue by (A) revenue divided by the number of posts.

Revenue is the total amount generated without the expenses to run a business.

From the given data we can conclude that content is what the website posted.

∴ To obtain which website generated more revenue per amount of content we have to divide revenue by the number of posts.

Website A posted 110 contents and generated $30,000,

∴ Revenue per content is,

= (30000/110) dollars.

= 272.72 dollars.

Website B posted 200 contents and genarated $75,000 dollars.

∴ Revenue per content is,

= (75000/200) dollars.

= 375 dollars.

So, Website B generated more revenue per content.

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The expression the company can use to determine the money they spend on batteries in a given day would be 3000b + 2500b.

Expression in maths is defined as the collection of numbers variables and functions by using signs like addition, subtraction, multiplication, and division. The Numbers constants, variables, operations, functions, brackets, punctuation, and grouping can all be represented by mathematical symbol.

We have been given that Machine Alpha uses 3000 batteries a day in the clocks it makes and Machine Delta uses 2500 batteries a day in the clocks it makes.

Machine Alpha = 3000b

Machine Delta = 2500b

Let b dollars represents costs of each battery.

Then the expression the company that can use to determine the money they spend on batteries in a day as;

3000b + 2500b

Hence, the expression the company can use to determine the money they spend on batteries in a given day would be 3000b + 2500b.

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The number is 11 and the equation is 4M - 23 = 21 where M is the number.

It is a mathematical statement that shows that two mathematical expressions are equal.

Example:

3x – 5 = 16

We have,

Let the number be M.

Twenty-three less than 4 times a number is 21.

Times = multiplication

less than = subtraction

We can write this as:

4M - 23 = 21

4M = 21 + 23

4M = 44

M = 44/4 = 11

Thus the number is 11 and the equation is 4M - 23 = 21 where M is the number.

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The n-formula is [tex]a_{n} = (n+2) a_{n-1}[/tex].

What is mean by series?

The cumulative sum of a given sequence of terms is called a series.

Given that;

[tex]a_{1} = 1[/tex]

[tex]a_{n + 1} = (n+3) a_{n}[/tex]

Now,

Find the series of numbers as;

[tex]a_{n + 1} = (n+3) a_{n}\\[/tex]

Put n = 1,

[tex]a_{1+1} = (1 + 3)a_{1} \\\\a_{2} = 4a_{1} \\[/tex]

Put n = 2,

[tex]a_{2 + 1} = (2+3) a_{2}\\\\a_{3} = 5 a_{3}[/tex]

Put n = 3,

[tex]a_{3 + 1} = (3+3) a_{2}\\\\a_{4} = 5 a_{6}[/tex]

Put n = 4,

[tex]a_{4 + 1} = (4+3) a_{4}\\\\a_{5} = 7a_{4}[/tex]

Hence, Proceed this pattern we get;

[tex]a_{n} = (n+2) a_{n-1}[/tex]

So, The n-formula is [tex]a_{n} = (n+2) a_{n-1}[/tex].

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Answer:

Step-by-step explanation:

(2x^(4)y^(-3))

= 2x^4/ y^3.

Answer: [tex]-30x^{3} + 96x^{2}[/tex]

Step-by-step explanation:

Answer:

-30x³ + 96x²

Step-by-step explanation:

 To simplify the algebraic expression, multiply each term of (-5x + 16) by 6x².

When we multiply 6x² * (-5x), multiply the coefficient 6 & -5 and add the powers of the variables.

6x²*(-5x + 16) = 6x² *(-5x) +6x²*16

                      = -30x³ + 96x²

The solution to the equation is x = -2 or x = 5

The equation is given as

3x^2-9x=30

Rewrite properly as

3x^2 - 9x = 30

Divide through by 3

So, the equation becomes

x^2 - 3x = 10

Rewrite the equation

So, the equation becomes

x^2 - 3x - 10 = 0

Expand the equation

So, the equation becomes

x^2  + 2x - 5x - 10 = 0

Factorize the equation

So, the equation becomes

x(x  + 2) - 5(x + 2) = 0

This gives

(x + 2)(x - 5) = 0

Evaluate

x = -2 or x = 5

Hence, the solution to the equation is x = -2 or x = 5

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The maximum and minimum number of people will be 19700 and 17300 respectively.

It should be noted that it was stated that the arena can hold 18500 people.

Therefore, the equation to represent the number of people that can attend the event will be:

= 18500 +/- 1200

The maximum number of people will be:

= 18500 + 1200

= 19700

The minimum number of people will be:

= 18500 - 1200

= 17300

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