(extra credit) suppose you have a well-balanced "super coin" with three sides or outcomes equally likely: head, middle, and tail. (the super coin is a die with opposite faces showing head, middle, and tail) you tossed this super coin two times.

Answer:

4⅜ or 4.375 inches.

Step-by-step explanation:

35 ribbon into 8 pieces is:

35/8 = 4⅜ or 4.375 inches.

The layer of dirt would be between 3 and 4 yards and precisely 3.6458 yards.

Given the volume of the lot is 7000 cubic yards.

After spreading to an even layer

The dimension is 30 yards and 64 yards

The volume of the lot can be given as Length x Width x Depth

Let us say the depth of the lot is x

Which means

30 x 64 x X = 7000

1920 x X = 7000

X = 3.6458

Hence the depth of the lot is 3.6458 which is between 3 and 4.

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The probability that at least five spots will be showing up on the die is 1/3.

It is given that a professor rolls a fair, six-sided die.

We need to find the probability that at least five spots will be showing up on the die.

Total possible outcomes = {1,2,3,4,5,6}

Number of total outcomes = 6

At least five spots will be showing up on the die. So,

Favorable outcomes = {5,6}

Number of favorable outcomes = 2

Formula for probability:

Probability = [tex]\frac{Number of Favorable Outcomes}{Number of Total Outcomes}[/tex]

On substituting Number of favorable outcomes and Number of total outcomes in the formula of Probability, we get

Probability = 2/6

Probability = 1/3

Therefore, the required probability is 1/3.

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Using combinations, the probability that a randomly selected jury of 12 people is all male is 0.00781.

Combinations are mathematical operations that count the number of potential configurations for a set of elements when the order of the selection is irrelevant. You can choose the components of combos in any order. Permutations and combinations can be mixed up.

Given,

Jury pool consists of 27 people, 20 men and 7 women

the probability that a randomly selected jury of 12 people is all male =

[tex]\frac{^{20}C_{12} }{^{27}C_{12} }[/tex] = [tex]\frac{20!}{12! 18!}[/tex] × [tex]\frac{12! 15!}{27!}[/tex]

On solving,

⇒ 1/128

= 0.00781

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By using the method subtraction, Jackson's height is 1.25m.

To subtract in mathematics is to take something away from a group or a number of objects. The group's total number of items decreases or becomes lower when we subtract from it. The components of a subtraction issue are the minuend, subtrahend, and difference. An arithmetic operation called subtraction simulates the process of deleting items from a collection. The action of subtracting a matrix, vector, or other quantity from another according to predetermined rules in order to find the difference.

Given that,

Grace's height is 1.45 m.

Jackson is 0.2 m shorter than Grace.

Jackson's height is 1.45 -0.2 = 1.25

Therefore, Jackson's height is 1.25m.

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Answer: The arrow is pointing to 76.5.

Step-by-step explanation: It's pointing to 76.5 because there are 10 spaces between 75 and 80 so in that case, each line is .5, and since it's on the third line that means it is 1.5 more than 75 so 76.5.

Answer:

C) The arrow points to 76.5.

Step-by-step explanation:

The number line is divided into 10 parts equally.

We can find out the distance between each point by taking the difference between the largest and smallest number on the number line and dividing the difference by 10.

80 - 75 = 5

5/10 = .5

So, the distance between each number/mark on the line is .5

Now, we can label each point by adding .5 to each mark as we go. Then, we'd get this.

*see attachment below

Since the number line constructed here has all the values, we can now tell which value the arrow is pointing to.

The answer is therefore 76.5.

The value of k that will make the quadratic equation kx² - 4x + 1 = 0 to have two equal roots is; k = 4

The general form of representing a quadratic equation is;

ax² + bx + c = 0

Now, we are given the quadratic equation which is;

kx² - 4x + 1 = 0

Now, for a quadratic equation to have 2 equal roots, it means that;

b²  = 4ac

Thus, applying that to our given quadratic equation gives us;

(-4)² = 4(k * 1)

4k = 16

k = 4

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Step-by-step explanation:

0 20 40 60 80 100.................

The error Julius made in his explanation is using the area of a rectangle as the longest side instead of area of a square.

Pythagorean theorem is the sum of the square of opposite and adjacent sides which result in the sum of the square of the hypotenuse of a triangle.

c² = a² + b²

Where,

The error Julius made in his explanation is using the area of a square as the hypotenuse. The figure he used to represent the longest side (hypotenuse) is a rectangle.

The correct working should be:

c² = area of square a + area of square b

c² = 25 + 16

c² = 41

c = √41

c = 6.40312423743

Approximately,

c = 6.4

In conclusion, Julius made the mistake of representing the longest side with area of a rectangle instead of a triangle.

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the length of the rectangle is 10 cm and the width of the rectangle is 11 cm.

We are given that the length and the width of a rectangle are consecutive integers.

Let the length be x

Width = x + 1

Now, we are also given that perimeter is:

P = 42 cm

We know the formula for perimeter of a rectangle is:

P = 2( l + w)

Substituting the values in the formula, we get that:

42 = 2( x + x + 1)

42 = 2 (2 x + 1)

42 = 4 x + 2

4 x = 40

x = 40 / 4

x = 10

length = 10 cm

width = 10 + 1 = 11 cm

Therefore, we get that, the length of the rectangle is 10 cm and the width of the rectangle is 11 cm.

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Answer:

subtract 2x from 3x thats x so 50=x

Step-by-step explanation:

Answer:x=50

Step-by-step explanation:bring 3x over on one side with 2x and bring 50 over on the other side by itself.

The equation becomes 2x-3x=-50

2x-3x is -x

so the equation is -x=-50

there are two negatives in the equation so you make the equation positive because a negative and a negative equals a positive

Therefore the answer is x=50

The experimental probability of an odd number other than 9 being generated is 0.38.

Probability refers to potential. A random event's occurrence is the subject of this area of mathematics. The range of the value is 0 to 1. Mathematics has incorporated probability to forecast the likelihood of various events.

According to the probability formula, the probability of an event occurring, or P(E), is equal to the proportion of positive outcomes to all outcomes. P(E) is defined mathematically as favorable outcomes divided by total outcomes.

Given Data

A random number generator is used to create a list of 150 single-digit numbers. Of those 150 numbers, 72 are odd and 78 are even. The number 9 was generated 15 times.

Total numbers generated = 150

Odd numbers = 72

Even numbers = 78

Generation of number 9 = 15

Number of odd numbers except 9 itself

= 72 -15

= 57

Probability = [tex]\frac{Odd numbers except 9 itself}{total munbers}[/tex]

Probability = [tex]\frac{57}{150}[/tex]

Probability = 0.38

The experimental probability of an odd number other than 9 being generated is 0.38.

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The resultant matrix after elementary row operation is:

[tex]A = \left[\begin{array}{ccc}-12&20&8\\-24&3&-9\end{array}\right][/tex]

What is elementary row operation?

In mathematics, the elementary row operation is a method in which the two rows exchanged. In this, the rows are either multiplied, added or division. Sometimes, single row is multiplied by some constant.

According to the question, the given matrix A is written below:

[tex]A = \left[\begin{array}{ccc}-3&5&2\\8&-1&3\end{array}\right][/tex]

Now, performing elementary row operations represented by [tex]-3R_{2} +4R_{1}[/tex]

The given matrix becomes after elementary row operations:

[tex]A = -3R_{2} + 4R_{1} = \left[\begin{array}{ccc}-12&20&8\\-24&3&-9\end{array}\right][/tex]

Hence, the resultant matrix after elementary row operation is::

[tex]A = \left[\begin{array}{ccc}-12&20&8\\-24&3&-9\end{array}\right][/tex]

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Answer:

1/4

Step-by-step explanation:

17/20, 14/20, 11/20, 8/20, 5/20

5/20 = 1/4

Answer:

a) 0.25% b) 99.75%

Step-by-step explanation:

the chance that one bulb is defective is 0.05, so two bulbs being defective has a chance of 0.05 * 0.05 which equals 0.25%

For at least 1 bulb to work, both bulbs can't be broken. We already know that the chance for both bulbs being broke is 0.25%, so 100%-0.25% would equal the chance that at least one light bulb works, which is 99.75%

Using mathematical operations, the maximum whole number of gigabytes of data Genesis can use while staying within her budget is 2GB.

Mathematical operations are used in mathematical functions to produce a defined output.

Some of the mathematical operations include addition, subtraction, multiplication, division, exponentiation, and modulus operations.

In this situation, we used the mathematical operations of subtraction, division, addition, and multiplication to determine Genesis's data maximum usage that does not exceed her budget.

Fixed cost per month = $40.50

Usage rate per gigabyte or part thereof = $5

Budgeted bill = $55 per month

Maximum gigabyte usage per month = 2.9 {($55 - $40.50) ÷ $5}

But Genesis cannot use 3GB but only 2GB because 3GB will make her total bill exceed her budget.

Check:

Cost of using 3GB = $55.50 ($40.50 + $5 x 3)

Cost of using 2GB = $50.50 ($40.50 + $5 x 2)

Thus, for Genesis to maintain her data plan within budget, the maximum she can spend is 2GB.

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Answer: [tex]y=\frac{1}{7}x+19[/tex]

Step-by-step explanation:

Perpendicular lines have slope that are negative reciprocals, so the slope of the line we want to find is 1/7.

The equation in point-slope form is [tex]y-21=\frac{1}{7}(x-14)[/tex].

Rearranging into slope-intercept form,

[tex]y-21=\frac{1}{7}x-2 \\ \\ y=\frac{1}{7}x+19[/tex]

if an organization wants to test whether a minority of its employees are dissatisfied with their bonuses, the null hypothesis would be that the true population proportion would be equal to 0.5

This is further explained below.

Generally, The null hypothesis is a common kind of statistical theory that proposes there is no statistical link and significance between two sets of observed data and measurable phenomena in a set of provided single observable variables.

In conclusion, In the event that a company is interested in determining whether or not a subset of its workers are unsatisfied with the incentives they get, the null hypothesis would state that the actual population percentage would be equal to fifty percent.

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CQ

If an organization wants to test whether a minority of its employees are dissatisfied with their bonuses, the nult hypothesis would be that the true population proportion would be: less than 5 OOOO greater than 5 not equal to 5 .5

Answer:

Step-by-step explanation:a-t457 =e36_0uh

This is a Metric conversion problem. Note that it will take 38.4 minutes to create a 2-foot by 4-foot pattern drive. See the explanation below.

There are several ways to do this. Let's use the area of the times and that of the pattern drive.

Note that the area of the 3inch by 5-inch tile =

Area of a rectangle

L x B =

3 x 5

= 15inches

Applying the same rule to the pattern drive, we have
2 x 4

= 8 foot

Note that 1 foot = 12 inches

For convenience, thus, we convert the area of the pattern drives into inches. This gives us:
8 x 12

= 96 inches

To get how many minutes it will take to create a 2 by 4-foot pattern drive, we have

Recall that it takes 6 minutes to lay a 3x5 which is 12 inches in area.
Hence,

96/15
= 6.4
6.4 x 6
= 38.4 minutes.
Hence, it will take Rachel 38.4 minutes to lay a 2 by 4-foot pattern drive given the parameters above.

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The principal of account A is $20.83 and the principal of account B is $58.33. Account 2 earned the most interest rate in the first​ month.

The formula to calculate Simple interest, Simple interest = Principal × rate of interest × time.

The principle for Account A would be,

2 = Principal × 3.2% × 3

So, the principal is $20.83

The principle for account B would be,

38.50 = Principal × 2.2% × 30

So, the principal is $58.33,

The interest rate for both accounts is now as follows:

For account 1

= $20.83 × 3.2%

= $0.67

And, for account 2

= $58.33 × 2.2%

= $1.28

Account 2 has the greatest interest rate, thus it is taken into account.

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The correct answer is:  " 1 * 2 <  1 + 2 ".

____________

Step-by-step explanation:
The following text provides a detailed explanation of how one can reach the answer.
______
We are given:  "{Use digits and symbols to write ''the product of one and two is less than the sum of one and two'' pls help}."
______
Okay;  First, relax.  Then:
Second:  Note the following parts of the Actual Brainly Question:                                                                                          
1) "Use digits and symbols" to..  (represent this word problem/inequality).
2) Write down the following—including the "blanks" :
      {The product of _____ is less than the
sum of ____ " ;

3)  Then, Refer to:  "{The product of 1 and 2 is less than...}" ;

Note: The "{product of 1 and 2}" ; indicates multiplying " 1" by " 2" ;
    →  {e.g. to get the product; that is; to get the value when multiple numbers [i.e. "two or more numbers"] are multiplied.}.
      When one multiplies " 1 " by "2", the product is "2" ;

       [since:  " 1 * 2 = 2 "] ;  yet, for our purposes, we shall write:
     →  "  1 * 2  " ;
______
Then:  Note that this ^[product of 1 and 2) is "less than...{something}..." ;
  Let's start by writing a "less than symbol { < }" ;
            →    " 1 * 2 <   ? " ;
  Then, go back to the problem and note:
      " {...is less than "the sum of one and two"} " ;
Take note of the phrase: "[the sum of one and two]" ;
We can write this as:  " 1 + 2 " ;  
      ⇒ " the sum [of]..." indicates addition; that is, adding values [together] .

So; we can write this inequality by using digits and symbols; as follows:
     →  " 1 * 2 <  1 + 2 " ;  which is our answer.
______
{ For potential interest:  
One could simplify each side of the equation:
1 *2 =2  ;   1 + 2 = 3 ;   2 < 3  ;  which does hold true!
However, the actual question never specifically states to simplify}.
 As aforementioned:
     →  " 1 * 2 <  1 + 2 " ;  is  our answer!
 ______
   Hope this lengthy explanation is helpful!
    Wishing you the best!

 ______

answer

The correct answer is:  " 1 * 2 <  1 + 2 ".

____________

Step-by-step explanation:

The following text provides a detailed explanation of how one can reach the answer.

______

We are given:  "{Use digits and symbols to write ''the product of one and two is less than the sum of one and two'' pls help}."

______

Okay;  First, relax.  Then:

Second:  Note the following parts of the Actual Brainly Question:                                                                                          

1) "Use digits and symbols" to..  (represent this word problem/inequality).

2) Write down the following—including the "blanks" :

     {The product of _____ is less than the

sum of ____ " ;

3)  Then, Refer to:  "{The product of 1 and 2 is less than...}" ;

Note: The "{product of 1 and 2}" ; indicates multiplying " 1" by " 2" ;

   →  {e.g. to get the product; that is; to get the value when multiple numbers [i.e. "two or more numbers"] are multiplied.}.

     When one multiplies " 1 " by "2", the product is "2" ;

      [since:  " 1 * 2 = 2 "] ;  yet, for our purposes, we shall write:

    →  "  1 * 2  " ;

______

Then:  Note that this ^[product of 1 and 2) is "less than...{something}..." ;

 Let's start by writing a "less than symbol { < }" ;

           →    " 1 * 2 <   ? " ;

 Then, go back to the problem and note:

     " {...is less than "the sum of one and two"} " ;

Take note of the phrase: "[the sum of one and two]" ;

We can write this as:  " 1 + 2 " ;  

     ⇒ " the sum [of]..." indicates addition; that is, adding values [together] .

So; we can write this inequality by using digits and symbols; as follows:

    →  " 1 * 2 <  1 + 2 " ;  which is our answer.

______

{ For potential interest:  

One could simplify each side of the equation:

1 *2 =2  ;   1 + 2 = 3 ;   2 < 3  ;  which does hold true!

However, the actual question never specifically states to simplify}.

As aforementioned:

    →  " 1 * 2 <  1 + 2 " ;  is  our answer!

______

  Hope this lengthy explanation is helpful!

   Wishing you the best!

______

Answer:

B) To make a right triangle in the center, the area of the smaller two square must add to equal the area of the largest square

Step-by-step explanation:

1) add the area of the two smaller squares together

f^2= 9

g^2 = 16

9+16=25

2) compare the sum of the two squares to the larger square (the hypotonus)

h^2= 25 so, f^2 + g^2 = h^2

3) The area of the smaller squares is equal to the area of the larger square, therefore b is the correct answer.

Answer:2479

Step-by-step explanation: subtract 2,994 and 515 and you would get 2479

Answer: 3509 treats

Step-by-step explanation:

If I'm understanding correctly, we need to add the desserts together right?

[tex]2994+515\\=3509[/tex]treats in total

Answer: The value of f/5 is 4.

Step-by-step explanation:  This question can be solved by using substituting the value of f( which is 20) in the earlier given expression ( which is f/5).

Here are the steps to solve this question:-

Step 1. Expression = f/5 ( according to the question)

Step 2. Value of f=20 ( according to the question)

Step 3. Using the value of f in step 2 in the equation given in step 1,

                        f/5=20/5

                         f/5=4

Thus, the value of expression f/5 is 4.

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The circumference of the given circle will be 18.84cm and its area will be 28.26cm²

the center of the given circle is A with coordinates (2,3)

we are given that each block on the graph represents 1cm,

on observing the graph we can conclude that the radius of the circle is 3cm.

circumference of the circle is given by  the formula,

2πr

taking pi as 3.14 and substituting r=3 in the above formula we get,

2*3.14*3

=18.84cm

thus the circumference of the circle will be 18.84 units.

Similarly, area of a circle can be calculated using the formula,

πr²

taking π as 3.14 and substituting r=3 in the above formula,

3.14*3²

=28.26cm²

What is the difference between area and perimeter?

Perimeter is - "distance around the outside of a shape" while area is - "measures of the space inside a shape."

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The approximate value of x(t), which indicates the location of coordinate the ladder's foot at time t seconds, is 6.85. 7

Coordinates are numerical lengths or angles that uniquely identify locations on two-dimensional (2D) surfaces or in three-dimensional (3D) space ( 3D ). Mathematicses, scientists, and engineers frequently employ a variety of coordinate systems.

The location in the cartesian plane will be determined by the coordinate points. A point's distance from the y axis is known as the x-coordinate, also known as the abscissa, and its distance from the x-axis is known as the y-coordinate, also known as the ordinate.

based on the information provided,

x = the distance between the wall and the bottom of the ladder

y = distance of the top of the ladder from the ground

x² + y² = 25²

x² + 7² = 25²

x² = 625 -49 = 429

y = √576

Differentiating the equation with respect to time t gives

2x dx/dt + 2y dy/dt = 0

dx/dt = -y dy/dt / x

 = -√576 * (2) / 7

= 6.85 feet per second approximately.

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The correct option is D) g(x) = |x - 2| for the shifting of graph of f (x) = |x| is shifted to the left 2 units.

For the given question, the function is given as;

f(x) = |x|

There is a shifting of 2 units towards the left, it means there is shift on the x-axis toward the negative x-axis.

Then, value of x will be reduced by 2 units, which is given by function.

g(x) = |x - 2|.

Thus, the function which correctly described shifting of 2 units left is g(x) = |x - 2|.

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Answer:The correct option is D) g(x) = |x - 2| for the shifting of graph of f (x) = |x| is shifted to the left 2 units.

Step-by-step explanation: I did it on plato.

If each digit can be 0, 1, 2, 3, 4, 5, 6, 7, 8, or 9, giving a total of 10 possible numbers for each digit. if a pin is 4 digits, each digit can be any one of the 10 possible numbers, The different possible combinations are there is : 10,000.

Given :

Digit = 0, 1, 2, 3, 4, 5, 6, 7, 8, or 9

Possible number  = 10

Pin = 4 digits

Now let determine the different possible number

Possible number combination = 10 x 10 x 10 x 10

Possible number combination = 10,000

Therefore the combination is 10,000.

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If Caleb worked his 40 regular hours last week, plus 6 overtime hours at the time-and-a-half rate. His gross pay was $1,063. His hourly rate is : $21.69.

Hourly rate can simply be defined as the wages earn per hour.

Given data :

Regular hours = 40

Over time = 6 ( 1.5 ) = 9

Gross pay = $1,063

Hence,

let h represent the hourly rate

So,

1.5h = overtime rate

Now let determine the hourly rate

40h + 6(1.5h) = 1,063

40h + 9h = 1,063

49h = 1,063

Divide both side by 49h

h = 1,063/ 49

h = $21.69

Therefore the hourly rate is the amount of $21.69.

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