Which one!?!?
Help please

Answer:

I believe the answer is = 6,-6

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\( - \frac{1}{2} {n}^{2} + 18 = 0 \\ \)

Subtract sides 18

\( - \frac{1}{2} {n}^{2} + 18 - 18 = - 18 \\ \)

\( - \frac{1}{2} {n}^{2} = - 18 \\ \)

Negatives simplifies

\( \frac{1}{2} {n}^{2} = 18 \\ \)

Multiply sides by 2

\(2 \times \frac{1}{2} {n}^{2} = 2 \times 18 \\ \)

\( {n}^{2} = 36\)

Take √ of the sides

\( \sqrt{ {n}^{2} } = \sqrt{36} \\ \)

\( |n| = 6\)

\(n = ± \: 6\)

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Under the periodic inventory system, Crowder Corporation would record the return of $200 of goods originally sold on credit to Discount Industries by crediting the accounts receivable account for $200 and debiting the sales returns and allowances account for $200.

If Crowder Corporation recorded the return of $200 of goods originally sold on credit to Discount Industries using the periodic inventory system, the transaction would be recorded as follows:

1. The accounts receivable account would be credited for $200 to reflect the fact that the company's outstanding balance owed by Discount Industries has been reduced.
2. The sales returns and allowances account would be debited for $200 to reflect the decrease in sales due to the return of goods.
3. The inventory account would be credited for the cost of the goods returned. Assuming that the goods were originally sold for their cost, the cost of the returned goods would also be $200. This credit would reduce the inventory account balance to reflect the fact that the company has fewer goods on hand.

The journal entry to record the return of goods under the periodic inventory system would be:

Accounts Receivable        200
Sales Returns and Allowances   200
  (To record the return of goods sold on credit)

Inventory                      200
Cost of Goods Sold          200
  (To record the cost of goods returned)

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Complete question:- Crowder Corporation recorded the return of $200 of goods originally sold on credit to Discount Industries. Using the periodic inventory approach, Crowder would record this transaction as ?

Answer:

C. 2.865

Step-by-step explanation:

All you have to do in this situation is to subtract the amount he ran two weeks ago by the amount Thomas ran last week. It would look like so,

38.074 - 35.209

And once you do that you get the answer of 2.865

Hope that helps and have a great day!

Answer:

13 days.

Step-by-step explanation:

What I did was I took 331.50 and divided that by the amount of each meal.

331.50/8.50= 39 meals

Then divide the number of meals by the number of meals per day.

39/3= 13 days.

The Linear function for the line represented by the point-slope equation y - 5 = 3(x - 2) is y = 3x - 1.

The point-slope equation for a line is of the form y - y1 = m(x - x1), where (x1, y1) is a point on the line and m is the slope of the line. Given the point-slope equation y - 5 = 3(x - 2),

we can see that the slope of the line is 3 and it passes through the point (2, 5).

To find the linear function for the line, we need to write the equation in slope-intercept form, which is y = mx + b, where m is the slope of the line and b is the y-intercept (the point at which the line intersects the y-axis).

To get the equation in slope-intercept form, we need to isolate y on one side of the equation.

We can do this by distributing the 3 to the x term:y - 5 = 3(x - 2)  y - 5 = 3x - 6  y = 3x - 6 + 5  y = 3x - 1

Therefore, the linear function for the line represented by the point-slope equation y - 5 = 3(x - 2) is y = 3x - 1.

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For Mayda, who is 40 years old, the probability of giving birth to an infant with Down syndrome is 1 in 85.

To find out the maternal age-specific risk of Down syndrome,

The maternal age-specific risk of Down syndrome is the probability that a baby will be born with Down syndrome based solely on the age of the mother.

Use the maternal age-specific risk of Down syndrome for the specific maternal age,

For example, the maternal age-specific risk of Down syndrome for a 40-year-old mother is 1 in 85.

So the probability for Mayda, who is 40 years old, is 1 in 85.

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False. The triple exponential smoothing method does consider seasonality variations in the analysis of the data, along with trend and level components, to provide accurate forecasts.

The statement is false. Triple exponential smoothing, also known as Holt-Winters method, is a time series forecasting method that incorporates trend and seasonality variations in the analysis of the data, but it does not specifically use seasonality variations.

Triple exponential smoothing extends simple exponential smoothing and double exponential smoothing by introducing an additional component for seasonality. It is commonly used to forecast data that exhibits trend and seasonality patterns. The method takes into account the level, trend, and seasonality of the time series to make predictions.

The triple exponential smoothing method utilizes three smoothing equations to update the level, trend, and seasonality components of the time series. The level component represents the overall average value of the series, the trend component captures the systematic increase or decrease over time, and the seasonality component accounts for the repetitive patterns observed within each season.

By incorporating these three components, triple exponential smoothing can capture both the trend and seasonality variations in the data, making it suitable for forecasting time series that exhibit both long-term trends and repetitive seasonal patterns.

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Answer:

\(x = 1.5\)

\(Explaination :\\\frac{36}{9} = 4\\\frac{6}{4} =1.5\\Answer = 1.5\)

Answer:

x = 1.5

Step-by-step explanation:

\(\frac{9}{36} :\frac{x}{6}\)

Cross multiply.

36 · x = 9 · 6

Simplify.

36x = 54

Divide each side by 36.

36x ÷ 36 = 54 ÷ 36

Simplify.

x = 1.5

2.50 is the coupon amount and 0.08 is the cost for one copy from the equation y = 0.08x - 2.50.

An equation is a mathematical statement that is made up of two expressions connected by an equal sign.

Example:

2x + 3 = 8 is an equation.

We have,

y = 0.08x - 2.50

Where x is the number of copies and y is the cost of printing x copies.

Now,

From the equation,

y = 0.08x - 2.50

2.50 is the coupon amount.

0.08 is the cost for one copy.

Thus,

2.50 is the coupon amount.

0.08 is the cost for one copy.

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Answer:

5.25inches

Step-by-step explanation:

difference in height = 68.5-63.25 =5.25

Height of Mario Hm = 68.5 inches

Height of Tyler Ht = 63.25 inches

Evidently, Hm > Ht

Now difference = Hm - Ht = 68.5 - 63.25

= 5.25 inches

Answer: Mario is 5.25 inches taller than Tyler.

Answer:

Step-by-step explanation:

10

Answer:

x = -5/2

Step-by-step explanation:

4−(2x+4)=5

Distribute the minus sign

4 - 2x -4 = 5

-2x =5

Divide by -2

-2x/-2 = 5/-2

x = -5/2

Answer:

x=-5/2

Step-by-step:

First we multiply -(2x+4) = -2x -4

Now the equation is 4-2x-4 = 5

Combine like terms.

4-4=0

-2x = 5

Divide both sides by -2

Therefore your answer is -5/2

Hope this helps!

The postfix expression of "7+5-3*2(6*7)/4" is "7 5 + 3 2 * 6 7 * 2 * - 4 /". Evaluating the postfix expression gives the result of the expression. The prefix expression for the given infix expression is "/ - + 7 5 * 3 * 2 ( * 6 7 ) 4".

To convert the infix expression "7+5-3*2(6*7)/4" into postfix expression, we follow the rules of operator precedence and associativity. The postfix expression is obtained by placing operators after their operands.

The postfix expression for the given infix expression is:

"7 5 + 3 2 * 6 7 * 2 * - 4 /"

To evaluate the postfix expression, we use a stack data structure. We scan the postfix expression from left to right and perform the corresponding operations.

Starting with an empty stack, we encounter the operands "7" and "5". We push them onto the stack. Then we encounter the operator "+", so we pop the last two operands from the stack (5 and 7), perform the addition operation (7 + 5 = 12), and push the result back onto the stack.

We continue this process for the remaining operators and operands in the postfix expression. Finally, after evaluating the entire expression, the result left on the stack is the final answer.

To convert the infix expression into prefix expression, we follow similar rules but scan the expression from right to left. The prefix expression is obtained by placing operators before their operands.

The prefix expression for the given infix expression is:

"/ - + 7 5 * 3 * 2 ( * 6 7 ) 4"

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The given matrix A is diagonalizable, and the matrix P such that P⁻¹AP = D is:

P = [[1, 1],

    [0, 1]

D = [[2, 0],

    [0, 3]]

To determine whether a given matrix is diagonalizable, we need to check if it has a full set of linearly independent eigenvectors. If it does, then it is diagonalizable.
To determine if a matrix is diagonalizable and find the diagonal matrix D:
1. Compute the eigenvalues of matrix A by solving the characteristic equation det(A - λI) = 0, where λ is an eigenvalue and I is the identity matrix.
2. For each eigenvalue λ, find the corresponding eigenvectors by solving the equation (A - λI)X = 0, where X is a vector.
3. If the number of linearly independent eigenvectors is equal to the size of the matrix (i.e., the matrix has n linearly independent eigenvectors), then the matrix A is diagonalizable.
4. Once you have found a set of linearly independent eigenvectors, construct the matrix P using these eigenvectors as columns.
5. Find the inverse of matrix P, denoted as P⁻¹.
6. Compute the diagonal matrix D by using the equation D = P⁻¹AP.
If the matrix A is diagonalizable, then matrix P will be the matrix of eigenvectors, and D will be a diagonal matrix consisting of the corresponding eigenvalues on the diagonal.

Example:
Let's say we have a matrix A:
A = [[2, 1],
    [0, 3]]
1. Compute the eigenvalues:
  The characteristic equation is det(A - λI) = 0:
  |2-λ  1   |
  |0    3-λ |
  Setting this determinant equal to zero, we get:
  (2-λ)(3-λ) - 0 = 0
  Expanding and simplifying, we have:
  λ² - 5λ + 6 = 0
  Factoring, we get:
  (λ - 2)(λ - 3) = 0
  So, the eigenvalues are λ = 2 and λ = 3.

2. Find the eigenvectors:
  For λ = 2, we solve the equation (A - 2I)X = 0:
  |0  1| |x1|   |0|
  |0  1| |x2| = |0|
  Solving this system of equations, we get one eigenvector:
  X1 = [1, 0]
  For λ = 3, we solve the equation (A - 3I)X = 0:
  |-1  1| |x1|   |0|
  |0   0| |x2| = |0|
  Solving this system of equations, we get one eigenvector:
  X2 = [1, 1]
3. Since we have found two linearly independent eigenvectors (X1 and X2) and the matrix A is a 2x2 matrix, it is diagonalizable.
4. Construct matrix P:
  P = [X1, X2] = [[1, 1],
                  [0, 1]]
5. Find the inverse of matrix P:
  P⁻¹ = [[1, -1],
          [0,  1]]
6. Compute the diagonal matrix D:
  D = P⁻¹AP = [[2, 0],
                [0, 3]]
Therefore, the given matrix A is diagonalizable, and the matrix P such that P⁻¹AP = D is:
P = [[1, 1],
    [0, 1]]
D = [[2, 0],
    [0, 3]]

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Option (a) is correct Mr. Reynolds walks 2000 feet per minute for 8 minute. Here it is the condition of speed.

Speed is define as the distance covered by a person in a given interval or time. It is generally denotes in Km/h or m/sec.

\(Speed\ (S)= Distance\ (d) * Time\ (t)\)

Distance, It is an area cover by a person to complete his journey.

Distance is generally denoted by km, m etc,

Time, It is an interval in which generally person complete it task.

It is generally denoted by hour (h), Minute (min) or Second (Sec).

The correct is (a) Mr. Reynolds walks 2000 feet per minute for 8 minute. Here it is the condition of speed.

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The value of F for each pair of m&a using Newton's second law is 70N.

We have to find the F for each pair of m&a using Newton's second law which gives F = ma. Since m and a are vectors, we use the vector dot product to calculate F.The formula for the vector dot product is given as

A . B = ||A|| ||B|| cosθ.

Here, θ is the angle between the vectors A and B.

θ = 0° because both the vectors are in the same direction. Therefore, cosθ = 1.

Using the formula for the dot product, we have:

F = m . a= ||m|| ||a|| cosθ= m1a1 + m2a2 + m3a3

where ||m|| = √(52 + 82 + 102) = √189 = 13.75, and

||a|| = √(22 + 52) = √29 ≈ 5.39

Therefore,F = m . a= (5 × 2) + (8 × 5) + (10 × 2)= 10 + 40 + 20= 70 N

Thus, the value of F is 70 N.

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Answer:

A varicocele measures more than 2 mm in diameter.

Step-by-step explanation:

pampiniform plexus veins measuring more than. 2 mm in diameter at rest and which increased in diameter by 1 mm, and subjective color Doppler.

The perimeter of the triangle XYZ according to the midsegment theorem is 37

The midsegment theorem states that the segment that is obtained by joining the midpoints of two sides of a triangle is parallel to the third side and it is half the length of the third side of the triangle.

The specified parameters are;

The midpoint of \(\overline{XY}\) = A

The midpoint of \(\overline{YZ}\) = B

The midpoint of \(\overline{XZ}\) = C

The length of segment AC = 5

The length of segment BC = 6

The length of side XZ = 15

The segments AC, BC, and AB are midsegments of the triangle XYZ

According to the midsegment theorem, we get

AC = 0.5 × \(\overline{YZ}\)

BC = 0.5 × \(\overline{XY}\)

AB = 0.5 × \(\overline{XZ}\)

Therefore;

2 × AC = \(\overline{YZ}\)

2 × BC = \(\overline{XY}\)

2 × AB = \(\overline{XZ}\)

\(\overline{YZ}\) = 2 × 5 = 10 (substitution property)

\(\overline{XY}\) = 2 × 6 = 12 (substitution property)

The perimeter of the triangle = \(\overline{YZ}\) + \(\overline{XY}\) + \(\overline{XZ}\)
Plugging in the values, of \(\overline{YZ}\), \(\overline{XY}\), and \(\overline{XZ}\)  we get;

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Answer:

D 12+6m

Step-by-step explanation:

the negative sign is there to throw u off, you just simply subtract.

Answer:

6+12

Hope it helps you....

Answer: To divide two rational expressions, you need to first find the least common denominator (LCD) of the two expressions. The LCD is the least common multiple of the two denominators.

In this case, the rational expressions are x/(3x-1) and (x-2)/(2x). The LCD of these two expressions is (3x-1)(2x), which can be factored as 6x(x-1).

To divide the two rational expressions, you need to express each expression as a fraction with the LCD as the denominator.

The first expression, x/(3x-1), can be rewritten as (x * (2x))/(3x-1 * (2x)) = (2x^2)/(6x^2-2x).

The second expression, (x-2)/(2x), can be rewritten as ((x-2) * (3x-1))/(2x * (3x-1)) = (3x^2-3x+2)/(6x^2-2x).

To divide these two expressions, you can divide the numerators and the denominators separately:

(2x^2)/(6x^2-2x) ÷ (3x^2-3x+2)/(6x^2-2x)

= (2x^2) ÷ (3x^2-3x+2)

= (2/3)x^2 ÷ (x^2-x+2/3)

Therefore, the quotient of the rational expressions x/(3x-1) and (x-2)/(2x) is (2/3)

Step-by-step explanation:

Al encontrar la medida x del lado del cuadrado, Federico debe presentar como solución igual a 5, ya que el lado del cuadrado debe ser un valor positivo.

Como el cuadrado es una figura geométrica que tiene lados iguales, para realizar el cálculo, debemos tomar la medida de uno de los lados y elevarlo al cuadrado. El cálculo se puede realizar mediante la siguiente fórmula:

Por lo tanto, la geometría plana se usa para calcular las medidas precisas de la habitación en relación con su área, longitud y altura.

La respuesta correcta es la opción D.

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Okay, here we have this:

In this case we need to rewrite 350 as a subtraction of two numbers, therefore the results obtained are many, in this case we will show one of them:

5 x 350 = 5 x(400-50)

=(5x400)-(5x50)

=2000-250

=1750

This equation x + (x + 1) + (x + 2) = negative 21 will be used.

Let the first Number is x.

We have to take 3 consecutive integers.

second Number is x+1

third Number is x+2.

Sum of these 3 consecutive integers is x+(x+1)+(x+2).

Sum of these 3 consecutive integers is given as negative21.

so we can write  x+(x+1)+(x+2)=negative 21.

by using above equation we can find the value of 3 numbers.

So the final equation will be x + (x + 1) + (x + 2) = negative 21.

Given Question is incomplete, Complete Question here:

Three consecutive integers have a sum of –21. Which equation can be used to find the value of the three numbers? x + x + x = negative 21 x + 2 x + 3 x = negative 21 x + (x + 1) + (x + 2) = negative 21 x + (x + 2) + (x + 4) = negative 21

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Answer:

144 if u multiply u will get ur answer because it is asking for the least number if 144 is to high that its got to be 1 which it can't that's if u divide it answer - 144

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          .........

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Answer:

lol bro I'm failing too. Maybe it's a

The required inequality is 8x + 10y ≥ 56 which represents given the situation.

Inequality is defined as mathematical statements that have a minimum of two terms containing variables or numbers that are not equal.

Let x represent the number of hours babysitting and y represent the number of hours doing yard work,

The inequality that represents the situation is:

8x + 10y ≥ 56

This means that the total amount earned from babysitting (8x) plus the total amount earned from yard work (10y) must be greater than or equal to the cost of the skateboard ($56).

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Answer:

C

Step-by-step explanation:

We shall be using the formula for simple interest to calculate this

Mathematically;

I = PRT/100

where P is the amount deposited = $8,500

R is the rate = 4%

and T is the time which is 2 years

Plugging these values, we have

I = (8500*4*2)/100 = $680

Although part of your question is missing, you might be referring to this full question: If the 1st person saves 1/4 of total, 2nd person saves 2/3 of total, and 3rd person saves 1/10, which fraction left to pay for the birthday party?

The fraction left to pay for the birthday party is 17/30.

The calculation is as follows:

1 * 1/4 = 1/4 … (1)

1/4 * 2/3 = 2/12 … (2)

2/12 * 1/10 = 2/120 … (3)

Fraction left to pay:

= 1 - (1/4 + 2/12 + 2/120)

= 1 - (30/120 + 20/120 + 2/120)

= 1 - (52/120)

= 1 - 13/30

= 30/30 - 13/30

= 17/30

Thus, the fraction left to pay for the birthday party is 17/30.

A fraction is a part of a whole. In arithmetic, the number is expressed as a quotient, where the numerator is divided by the denominator. In a simple fraction, both are integers. A complex fraction has a fraction in the numerator or denominator. In a proper fraction, the numerator is less than the denominator.

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Answer:

2+y=x÷2 y=5 x=23

Step-by-step explanation:

it was very eazy

Let that unknown one be x

\(\\ \rm\rightarrowtail x^2=x(-x)+2\)

\(\\ \rm\rightarrowtail x^2=-x^2+2\)

\(\\ \rm\rightarrowtail 2x^2=2\)

\(\\ \rm\rightarrowtail x^2=1\)

\(\\ \rm\rightarrowtail x=1\)