Which given value, if any, is a solution of the equation 42 ÷ j = 6 for j: {7, 36, 48, 252}?

Answer:42

Step-by-step explanation:

Hi there!  So I think you're asking for 6 x 7.  That's 42.

6 + 6 + 6 + 6 + 6 + 6 + 6

That's 6, written seven times.

7 + 7 + 7 + 7 + 7 + 7

That's 7, written six times.  

Solving these, both are 42.  You can use this method if you're ever needing to do a quick problem.  Then you'll just memorize it! :D

Answer:

27√2

Step-by-step explanation:

9√18

9√9√2

27√2

b. is the right answer which has all points to the right.

A rectangular plane with a grid network created by the junction of horizontal and vertical lines is referred to as a coordinate grid. The location where the horizontal and vertical lines intersect at a perpendicular angle.

A reflection is referred to as flipping in geometry. Reflection is the term for a shape's mirror image. A line along which an image reflects is known as the line of reflection. A figure constructed around a single point is referred to as a reflection of point on graph paper.

A coordinate grid from negative 3 to positive 3 on both axes is drawn in increments of  2.

Point A is plotted 2 grid lines to the right of the y-axis and 4 grid lines above the x-axis.

Point B is plotted at 6 grid lines to the right of the y-axis and 2 grid line below the x-axis.

Point C is plotted at 6 grid lines to the left of the y-axis and 4 grid line below the x-axis.

Each unit is represented by 2 grid lines.

This means the coordinates of B (3, 2) will be 2×(3, 2) = (6, 4) grid lines.

The reflection of B across the y-axis to get C will change the sign of the x-coordinate, so C is (-6, -4) in terms of grid lines.

(Positive is above or right; negative is below or left.)

The above description is the only one that has the points in the right places.

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Operations that must be done on both sides of the equation are:

Mathematical operations are the actions that can be performed on numbers or variables. Some common mathematical operations include addition, subtraction, multiplication, division, and exponentiation. These operations are often represented using symbols such as +, -, *, /, and ^. Other mathematical operations include roots, logarithms, trigonometric functions, and more. These operations can be used to solve a wide range of problems in mathematics, science, engineering, and other fields.

Now according to the question,

1.  In order to solve the equation x + 9 = 11, we must subtract 9 from both sides,

⇒ x + 9 - 9 = 11 - 9

⇒ resulting in x = 2.

2.  To solve the equation x - 4 = 9, we must add 4 to both sides,

⇒ x - 4 + 4 = 9 + 4

⇒ resulting in x = 13.

3.  To solve the equation 8x = 24, we must divide both sides by 8,

⇒ 8x / 8 = 24 / 4

⇒ resulting in x = 3.

4.  To solve the equation x / 6 = 3, we must multiply both sides by 6,

⇒ x/6 * 6 = 3 * 6

⇒ resulting in x = 18.

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function estimateNetPay (x, y) {  // calculate estimated take-home pay let takeHomePay = x - y;  // return estimated take-home pay  return takeHomePay;}

Function in math is a rule that assigns one unique output to each input of a given set of inputs. This means that for every input there is one, and only one, corresponding output. Functions can be represented in a variety of ways, such as equations, graphs, tables, and verbal descriptions. Functions can also be combined to form more complex functions.

// Example:
let grossPay = 1000;
let netPay = 200;
let estimatedTakeHomePay = estimateNetPay(grossPay, netPay);
console.log(estimatedTakeHomePay); // 800

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Yes, f(x) = log x has an inverse.

What is logarithm ?

A logarithm is a mathematical function that calculates the power to which a given number (the base) must be raised to produce a certain value. Commonly, logarithms are written with the notation log base b (x), where b is the base and x is the value for which we want to find the power. It can also be written as log x. It is mostly used in solving mathematical and engineering problem, exponential growth and decay and also used in many branches of science, engineering and economics.

Reason for Yes ,

The inverse function, denoted as f^-1(x), is the exponential function, denoted as e^x. The inverse of log x is e^x because e^(log x) = x and (e^x)^(1/x) = x. It is inverse because the logarithm "undoes" the exponentiation, and exponentiation "undoes" the logarithm.

Yes, f(x) = log x has an inverse.

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The volume of the geode rounded to the nearest tenth is equals to the 640.1 feet³.

Geodes are approximately cylindrical structures with an internal cavity lined with mineral materials. They have a durable outer wall that is more resistant to weathering than the surrounding bedrock. This allows the geode to survive intact as the surrounding bedrock weathers.. The volume of cylinderical body is represented as, V = πr² h

where, r --> radius of cylinder

h --> height of cylinder

π --> maths specific constant , π = 3.14

We have a geode rock with height 26 feet and diameter 5.6 feet. As we know diameter of is double the radius. Let radius of geode be "R" .

And R = diameter/2 = 5.6/2 = 2.8 feet.

Volume of geode, V = πr²h

= 3.14 × ( 2.8)² feet² × 26 feet

= 640.0576 ~ 640.1 feet³

Hence , required volume is 640.1 feet³.

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To solve the system of equations we need to add the equations to eliminate y, option A is correct.

When an algebraic equation is graphed, it always results in a straight line since each term in a linear equation has an exponent of 1. For this reason, it is referred to as a "linear equation."

There are both one-variable and two-variable linear equations.

Given equations

-10x - 6y = -2

-x + 6y = -20

to solve the equations by elimination,

add both the equations

-10x - 6y -x + 6y = -2 - 20

-11x = -22

x = 2

y = -3

Hence option A is correct.

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Answer:

  X = 229,950

Step-by-step explanation:

Lets convert the sentence into an equation.  

We can write "3/2 of what number?" as (2/3)X, where X is "what number."

"153,300 is" can be rephrased as "is 153,300", or = 153,300.

Put these together:

(2/3)X = 153,300

Solve:

(2/3)X = 153,300

(3/2)*(2/3)X = (3/2)*153,300

               X = (3/2)*153,300

               X = 3*(76,650)

              X = 229,950

====

CHECK:  Is (2/3) of 229,950 = 153,300?  YES

Both will be approximately normal, and the mean for size 50 will be closer to 26.8 than the mean for size 4.

Step 1: Calculate the mean of the population.

The mean of the population is 26.8 years.

Step 2: Calculate the standard deviation of the population.

The standard deviation of the population is 4.2 years.

Step 3: Calculate the mean of the sample.

The mean of the sample is the average of all the values in the sample.

Step 4: Calculate the standard deviation of the sample.

The standard deviation of the sample is the square root of the sum of the squares of the differences between each value and the mean.

Step 5: Calculate the sampling distribution of the sample mean. The sampling distribution of the sample mean is the probability distribution of the mean of a sample drawn from the population. It is typically modeled as a normal distribution with the same mean as the population and a standard deviation equal to the population standard deviation divided by the square root of the sample size.

Step 6: Determine if the sampling distributions for size 4 and size 50 are approximately normal.

The sampling distributions for size 4 and size 50 are both approximately normal. The mean for size 50 will be closer to 26.8 than the

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The truth value of the negation of a proposition in fuzzy logic is: 1 minus the truth value of the proposition.

The truth value of the negation of a proposition in fuzzy logic is calculated by subtracting the truth value of the proposition from 1.

For example, if the truth value of a proposition is 0.8, then the truth value of the negation of that proposition will be 0.2 (1 - 0.8).

The truth value of a conjunction of two propositions in fuzzy logic is the minimum of the truth values of the two propositions.

For example, if the truth value of two propositions are 0.6 and 0.7, then the truth value of their conjunction will be 0.6 (the minimum of 0.6 and 0.7).

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If the product is a positive integer is 32118, then the king's age is 53. There will be children is 6 and the length of the boat is 101 m.

The Latin term "Integer," which implies entire or intact, is where the word “integer” first appeared.

The puzzle demands three numbers - x, y, z which represent the king's number of children, age, and length of the boat respectively.

(r1), x, y, and z are positive integers different from 1 and such that -

XYZ = 32118

(r2) 4 ≤ x < y < 100

Begin with (r1) which leaves only a finite number of possibilities, whereas (r2), which does not restrict z at all, leaves an infinite number.

Therefore, we examine (r1). Now, 32118 is divisible by 6, and so we easily decompose it into prime factors:

32118 = 2 × 3 × 53 × 101

For a decomposition into three factors, we have to combine two of the four primes. Therefore, there are only six different ways to decompose the number 32118 into a product of three factors, all different from 1:

6 × 53 × 101

3 × 101 × 106

3 × 53 × 202

2 × 101 × 159

2 × 53 × 303

2 × 3 × 5353

Of these six possibilities, the remaining requirement (r2) rejects all except the first one, and so we obtain -

x = 6 , y = 53 and z = 101.

Therefore, there will be children is 6 and the length of the boat is 101 m.

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Using substitution method to solve the system of linear equation, the number of nickels and dimes are 17 and 15 respectively.

A system of linear equations is a collection of one or more linear equations involving the same variables. A linear equation is an equation in which the highest power of the variable is 1.

In this problem, we can represent this using variables as;

let;

x + y = 32 ...eq(i)

0.05x + 0.1y = 2.35

From equation (i)

x + y = 32;

x = 32 - y ...eq(iii)

Put eq(iii) into eq(ii)

0.05(32 - y) + 0.1y = 2.35

y = 15

Put y = 15 in eq(i)

x + 15 = 32

x = 17

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The range of given function [tex]f(x)=\frac{7}{x}[/tex] is (-∞,∞).

Domain: the domain of a function is the collection of all conceivable values that can be used as inputs, or alternatively, it is the full range of potential values for independent variables. The fact that the fraction's denominator is not equal to zero and that the digit inside the square root bracket is positive both point to the domain.

Range: the range of a function is the set of all possible values for the dependent variable's outcomes, or the whole set of all possible values when the domain is substituted.

[tex]f(x)=\frac{7}{x}[/tex]

here domain of the given function is R-{0}.

For negative value of given function range is negative infinity and for positive value it will be positive infinity.

So, range of given function is (-∞,∞).

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The value of "f " is 9/5 C + 32.

The Celsius scale, often known as the centigrade scale, is a temperature scale based on zero degrees Celsius for the freezing point of water and one hundred degrees Celsius for the boiling point of water. Anders Celsius, a Swedish physicist, astronomer, and engineer, invented (and is named after) this scale. This form of the celsius scale gained widespread use.

Given,

C= 5/9(f-32)

C/f-32 = 5/9

Using the property,

a/b=m/n = a*n = b*m

we get,
9C= 5f -160

9C+160= 5f

9C+160/5 = f

9/5 C + 32 = f

Thus, The value of "f " is 9/5 C + 32.

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For a = 12, x - 5 would be a factor of x³ - 3x² + ax - 10

Let us assume that a polynomial p(x) = x³ - 3x² + ax - 10

We need to find the value of 'a' so that (x - 5) would be factor of p(x)

We know that the Factors theorem states that if a polynomial p(x) have a factor x-a, then p(a)=0.

Consider (x - 5) is a factor of x³ - 3x² + ax - 10

Since x - 5 is a fctaor of p(x), by factor theorem, p(5) must be equal to zero.

Consider,

p(x) =  x³ - 3x² + ax - 10

For x = 5,

p(1) =  1³ - 3(1)² + a(1) - 10

0 = 1 - 3 + a - 10               .........(by Factor Theorem, p(5) = 0)

-12 + a = 0

-12 + a + 12 = 0 + 12

a = 12

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The given expression can be written as  2x³ + 3x² - 21x + 20  = (x-2)(2x²  + 7x -7) + 6.

What is the quotient?

The divisor is the number that divides a given number. The number obtained as a result is known as the quotient. A divisor that does not completely divide a number produces a number known as the remainder.

Given polynomial is 2x³ + 3x² - 21x + 20.

The dividend is x-2.

Take the constant term of the divisor with the opposite sign and write it to the left.

Write the coefficients of the dividend to the right.

Step 1:

Write down the first coefficient without changes:

Step 2:

Multiply the entry in the left part of the table by the last entry in the result row (under the horizontal line).

Add the obtained result to the next coefficient of the dividend, and write down the sum.

Step 3:

Multiply the entry in the left part of the table by the last entry in the result row (under the horizontal line).

Add the obtained result to the next coefficient of the dividend, and write down the sum.

Step 4 :

Multiply the entry in the left part of the table by the last entry in the result row (under the horizontal line).

Add the obtained result to the next coefficient of the dividend, and write down the sum.

We have completed the table and have obtained the following resulting coefficients: 2,7,−7,6

.The quotient q(x) = 2x²  + 7x -7. The remainder is r(x) = 6

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To graph sine, cosine, and tangent functions, use values on the unit circle.

Create a table of values with the angle and the value of the trigonometric function and make note of where a function is undefined. Then plot and connect the points on a graph with the angle as the x-axis and the trigonometric value as the y-axis.

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All the statements for the account balances are true.

Since the balance of Sam's account, y, based on the number of weeks spent saving, x, can be represented by y = 35x+10.

We can also represent his sister's account with equation as follows.

The general form of  the equation of a line is given by y = mx+b,

where m is the slope (rate) and b is the y-intercept (starting point)

From the graph:

Sam's sister starts with $60 i.e. b = 60

The amount she saved per week can be found by calculating the slope.

Slope = (y₂-y₁) /(x₂-x₁)

Using x₁= 0, y₁ = 60 and x₂ = 2, y₂ = 120

Slope = (120-60) /(2-0)  = 60/2 = 30

y = mx+b

y = 30x + 60

After 5 weeks:

For Sam:

y=35x+10

y=35(5) +10 = $185

For his sister:

y = 30x + 60

y = 30(5) + 60 = $210

Difference = $210 -  $185 =  $25

Statement           T/F

Statement 1          T  

True because Sam's equation has m = 35 and his sister's has m = 30.

Statement 2         T

True because Sam's equation has b = 10 and his sister's has b = 60.

Statement 3          T

True because the difference is $25

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Answer:

We can use equivalent ratios to solve this problem.

We know that 3 pounds of potatoes makes 8 servings of mashed potatoes.

This can be expressed as a ratio: 3 pounds of potatoes : 8 servings of mashed potatoes

We can use this ratio to find the number of servings of mashed potatoes that 12 pounds of potatoes would make.

To do this, we'll keep the ratio of potatoes to servings of mashed potatoes the same, while scaling up the quantity of potatoes.

We can start by cross multiplying:

3 pounds of potatoes * x servings of mashed potatoes = 8 servings of mashed potatoes * 12 pounds of potatoes

3 * x = 8 * 12

Next, we'll solve for x by dividing both sides of the equation by 3

x = 8*12/3

x = 32

So, 12 pounds of potatoes would make 32 servings of mashed potatoes.

This answer is correct because the ratio of potatoes to servings of mashed potatoes is the same in both cases and we just scaled up the quantity of potatoes while keeping the ratio the same.

Answer: 12.5

Step-by-step explanation: Plotting the points and then finding their sides, and then using Herons formula, you can get the answer 12.5

Answer:

Simple interest is calculated by multiplying the principal amount (the initial deposit) by the interest rate and the number of years.

The formula for simple interest is:

I = P * r * t

Where:

I = Interest

P = Principal (initial deposit)

r = Interest rate (expressed as a decimal)

t = Time (in years)

In this case, the principal amount is $500.00, the interest rate is 4.5% (converted to 0.045), and the time is 15 years.

We can plug in the values into the formula:

I = $500.00 * 0.045 * 15 = $337.50

So, after 15 years with the same interest rate, Arisia’s account would earn $337.50 in interest.

The function that can be used to find the diameter in inches of Ring r, is option F: d(r) = 5× (0.87)^r.

What is diameter?

A circle is a 2D form in geometry in which all of the points on its surface are equally spaced from its centre. The radius is the length from any point on the surface to the centre. Similar to this, the diameter of a circle is defined as the distance through its centre between any two points on its surface.

It is given that the diameter of base is 5 inches.

The diameter of ring 1 is 87% of diameter of base -

⇒ diameter of ring 1 = 87% of 5 inch

= 5 × 87/100

Diameter of ring 1 = 5 × 0.87 inch

Now, diameter of ring 2 is 87% of diameter of ring 1

⇒ diameter of ring 2 = 87% of 5 × 0.87 inch

= 5 × 0.87 ×87/100

= 5 × 0.87 × 0.87

Diameter of ring 2 = 5× (0.87)²

Now, diameter of ring 3 is 87% of diameter of ring 2

⇒ diameter of ring 3 = 87% of 5 × (0.87)² inch

= 5 × (0.87)² ×87/100

= 5 × (0.87)² × 0.87

Diameter of ring 3= 6× (0.9)³

Therefore, the diameter of ring r = 5× (0.87)^r.

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The value of the angle ∠PRQ using sine rule is;  36.9°

The sine rule is a rule in trigonometry that states that the ratio of the length of a side of a triangle to the sine of the angle opposite that side is the same for all sides and angles in a given triangle.

Thus;

a/sin A = b/sin B = c/sin C

Now, applying the sine rule to the given problem, we can say that;

130/sin ∠PRQ = 187.5/sin 60

sin ∠PRQ = (130/187.5) * sin 60

sin ∠PRQ = 0.6

∠PRQ =  sin⁻¹0.6

∠PRQ = 36.9°

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There is a probability of 0.64 that Hugo buys more than 2 packs to get the card of his favorite player.

Therefore P( X > 2) is 0.64.

The random variable X in this situation represents the number of packs of baseball cards that Hugo buys before he gets the card of his favorite player. Since Hugo can buy at most 4 packs and the probability of getting the desired card in each pack is 0.2, we can use this information to create the probability distribution for X.

Here is the probability distribution for X using binomial distribution:

X > 4: The probability that Hugo does not get the card in any pack is

= (1 - 0.2)⁴

= 0.4096

X = 1: The probability that Hugo gets the card in the first pack is

= 0.2

X = 2: The probability that Hugo gets the card in the second pack is

= (1 - 0.2)(0.2)

= 0.16

X = 3: The probability that Hugo gets the card in the third pack is

= (1-0.2)²(0.2)

= 0.128

X = 4: The probability that Hugo gets the card in the fourth pack is

= (1-0.2)³(0.2)

= 0.1024

Probability that Hugo has to but more than 2 pack is

P( X>2) = P(3) + P(4) + P(X > 4)

= 0.128 + 0.1024 + 0.4096

= 0.64

--The question is incomplete, answering to the question below--

"Hugo plans to buy packs of baseball cards until he gets the card of his favorite player, but he only has enough money to buy at most 4 packs. Suppose that each pack has probability 0.2 of containing the card Hugo is hoping for. Let the random variable X be the number of packs of cards Hugo buys. Here is the probability distribution for X. Find P(X > 2)."

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The required function for the given values of x and y is  y = 16/x.

If two quantities are inversely related, one will increase while the other will decrease. Building a wall would be an example of an inverse proportion in action. The time it takes to construct a wall decreases as more people work on it.

We have,

x = 2 and y = 8

Then

y ∝ 1/x

y = k/x

K is constant

So, Putting the values

8 = k/2

k = 16

Function is y = 16/x

Thus, required function is y = 16/x.

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4) The complete table is,

 Kites purchased                             Total cost for Kites

       0                                                         8

       1                                                          12

       4                                        4 × 4 + 8 = 24  

       7                                         4 × 7 + 8 = 36      

       10                                       4 × 10 + 8 = 48

5) The equation for the total cost y in terms of the number of kites purchased x, is

⇒ y = 4x + 8

The equation of line in point-slope form passing through the points

(x₁ , y₁) and (x₂, y₂) with slope m is defined as;

⇒ y - y₁ = m (x - x₁)

Where, m = (y₂ - y₁) / (x₂ - x₁)

4) We have to given that;

Multiply the number of kites by 4 and add 8 to get the cost of kites.

Hence, We get the complete table as;

 Kites purchased                             Total cost for Kites

       0                                                         8

       1                                                          12

       4                                        4 × 4 + 8 = 24  

       7                                         4 × 7 + 8 = 36      

       10                                       4 × 10 + 8 = 48

5) The equation for the total cost y in terms of the number of kites purchased x, is

Let two points are (0, 8) and (1, 12)

Hence, We get;

⇒ y - 8 = (12 - 8) / (1 - 0) (x - 0)

⇒ y - 8 = 4x

⇒ y = 4x + 8

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The probability of all four selecting a seat being 1/2016, or 0.05%, which is equivalent to 6/10, or 60%.

n a lecture hall, the probability of four students randomly sitting in a row of 10 seats with at least one seat between them is relatively high. This is because the four students have a total of 6 empty seats to choose from. This means that the probability of them all sitting at least one seat apart from each other is 6/10, or 60%.

To further explain, the probability of each student randomly selecting a seat from the 10 available is 1/10. However, as the students are sitting in a row, there are certain conditions to be taken into account. For example, the first student must select a seat from the first 9 available, as the last seat is already taken by the fourth student. The second student must select a seat from the remaining 8 available, and so on. This means the probability of each student selecting a seat is 1/9, 1/8, 1/7 and 1/6, respectively.

When the probability of all four students selecting a seat is combined, we can calculate the probability of them all sitting at least one seat apart from each other. This is calculated as

1/9 x 1/8 x 1/7 x 1/6 = 1/2016.

This means that the probability of the four students all sitting at least one seat apart from each other is 1/2016, or 0.05%, which is equivalent to 6/10, or 60%.

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