Cuál es la expresión equivalente a (x + 3)

Answer:

{(3, 5), (2, 5), (3,8)}

Step-by-step explanation:

separate the x's & y's & put them in separate brackets

Answer:

4  

Step-by-step explanation:

dived 72 by 18 and you get 4

The independent variable for Scenario A is given as follows:

a. The employee benefits package.

In the case of a relation, we have that the independent and dependent variables are defined by the standard presented as follows:

In the context of this problem, we have that the input and the output of the relation are given as follows:

Hence the independent variable for Scenario A is given as follows:

a. The employee benefits package.

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The person is required to select a three-digit number, and if they guess the right number, they will be paid $700 for each dollar they bet. Each day, there is a new winning number.

The person bets $1 each day for one year.To get the possible win or loss from the game, the following formula can be used:Expected win or loss = (Probability of winning × Amount won) − (Probability of losing × Amount lost)From the question, we know that the person is betting $1 every day for a year. Therefore, the total amount of money spent by the person in a year is: Amount spent in a year = $1 × 365 = $365Let's calculate the probability of winning: There are 1000 possible three-digit numbers that can be selected. Only one of them is the winning number.Therefore,

The probability of winning the game is:P(win) = 1/1000Let's calculate the probability of losing the game:There are 999 three-digit numbers left after selecting the winning number.  This means that the person can expect to lose about $0.299 every day. Therefore, the person can expect to lose $109.14 in a year (365 days). Answer: $109.14

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Answer:

Step-by-step explanation:

The way to do this is just to add the two real parts together and add the two imaginary parts together.

2 + 5j + 7 - 3j

2 + 7 + 5j - 3j

9 + 2j

The equation of the parabola will be (x - 3)² + 12 = 4y. Then the correct option is B.

The focus is at (3, 4) and the equation of the directrix is y - 2 = 0. Then the equation of the parabola will be

Let P be the point whose coordinate is (x, y). Then the distance between the point and focus is equal to the distance between the point and line.

PF = PL

PF² = (x - 3)² + (y - 4)²

The distance between the point P and the line will be

PL = (y - 2)

Then the equation of the parabola will be

PF² = PL²

(x - 3)² + (y - 4)² = (y - 2)²

(x - 3)² + y² + 16 - 8y = y² + 4 - 4y

(x - 3)² = 4y - 12

(x - 3)² = 4(y - 3)

The equation of the parabola will be (x - 3)² + 12 = 4y. Then the correct option is B.

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Answer: B

Step-by-step explanation: worked for me

When Alonzo splits 3/4 pounds of candy among 4 people the unit rate in pounds per person is 3/16 pounds per person

The ratio of two measures, with one as the second of the item, is known as unit rate.

For the problem where Alonzo have to split 3/4 pounds of candy, the  unit rate is solved by division.

In this case, Alonzo will divide each the 3/4 pounds by 4 to get a value of which is the unit rate

The unit rate of candy in pounds per person

= 3/4 pounds / 4 persons

= 3/16 pounds per person

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Answer: A lot

Step-by-step explanation: I can't count how many

A computer manipulates data, doing arithmetic or logical operations on it. Computers are electronic devices that can input, store, process, and output data. They are capable of performing complex operations and calculations at a very high speed and accuracy.

The manipulation of data is a core function of a computer and is achieved through the use of specialized hardware and software. The central processing unit (CPU) of a computer is responsible for executing instructions and manipulating data. It consists of arithmetic logic units (ALUs) that perform arithmetic operations such as addition, subtraction, multiplication, and division, and logical operations such as AND, OR, NOT, and XOR. The CPU also contains registers, which are small, fast storage locations used to hold data temporarily during processing. Computer software, such as operating systems and applications, provide a means for users to manipulate data through a user interface. The software sends instructions to the CPU to perform various operations on the data, and then outputs the result to the user. Common software applications that manipulate data include spreadsheets, word processors, and database management systems. Overall, the ability to manipulate data is a crucial aspect of computing. It enables users to perform tasks such as data analysis, modeling, and simulation, which are essential in various fields such as science, engineering, and finance. As Computers continue to evolve, their capabilities for data manipulation will also improve, leading to even more advanced applications and technologies.

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Answer:

C

Step-by-step explanation:

the ratios of corresponding sides are in proportion

that is the outer triangle and the inner triangle

\(\frac{x}{30}\) = \(\frac{88}{44}\) = 2 ( multiply both sides by 30 to clear the fraction )

x = 30 × 2 = 60

Answer:

C. 60

Step-by-step explanation:

I just saw that 44 + 44 equals 88 and compared those two sides, I knew it couldn't be 88, so that's out.  Then, I saw that the side, 21 + 21, was shorter than the unknown side and that ruled out 42 and 30.  60 is the only one that is left and makes sense.

The radius of the circle is approximately 21.21 meters.

To find the radius of the circle, we can use the formula:

r = (arc length) / (central angle)

Given:

Arc length = 12 m

Central angle = 4π/7 rad

Substituting the given values into the formula:

r = 12 m / (4π/7 rad)

To simplify the expression, we can divide the numerator and denominator by 4:

r = (12 m / 4) / (π/7 rad)

Simplifying further:

r = 3 m / (π/7 rad)

To divide by π/7 rad, we can multiply by the reciprocal:

r = 3 m * (7 rad / π)

Now we can calculate the value of the radius:

r ≈ 21.21 m

Therefore, the radius of the circle is approximately 21.21 meters when an arc of length 12 m on the circle subtends a central angle of 4π/7 rad.

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a) Rocky Mountain should order 200 tires each time it places an order.

b) The total cost of this policy is $17,160.

a) To determine how many tires Rocky Mountain should order each time, we need to consider the different price levels and find the point where it is most cost-effective to order. Let's analyze the three price levels:

If fewer than 200 tires are ordered: The purchase price is $25 per tire.

If 200 or more, but fewer than 8,000 tires are ordered: The purchase price is $17 per tire.

If 8,000 or more tires are ordered: The purchase price is $13 per tire.

Since the ordering cost is $35 per order, it is most cost-effective to order the maximum quantity that falls within the second price level, which is 200 tires.

b) To calculate the total cost of this policy, we need to consider the ordering cost and the holding cost. The holding cost is 40% of the purchase price per tire per year. Let's calculate the total cost:

Total holding cost = (Purchase price per tire * Quantity ordered * Holding cost rate) / 2 = (($17 * 10,000 * 0.4) / 2) + (($13 * 2,000 * 0.4) / 2) = $34,000 + $5,200 = $39,200

Total cost = Total ordering cost + Total holding cost = (Ordering cost per order * Number of orders) + Total holding cost = ($35 * (10,000 / 200)) + $39,200 = $1,750 + $39,200 = $40,950

Therefore, the total cost of this policy is $40,950.

Rocky Mountain Tire Center should order 200 tires each time it places an order, resulting in a total cost of $40,950 for this policy. This ordering quantity and cost analysis allows Rocky Mountain to make efficient and cost-effective decisions in managing their inventory.

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Answer:

$175

Step-by-step explanation:

you need to specify if harriet got the 7 portion or the 5 portion. I'll answer as if she got the 7 portion.

They split it into 12 portions because the ratio is 7:5 and 7+5=12. So do $300/12=25

Assuming Maya got the 5 portion, do $25 x 5 = $125, so Maya got $125.

Assuming Harriet got the 7 portion, do $25 x 7 = $175, so Harriet got $175.

Answer:

78kg

Step-by-step explanation:

76×5= 380kg

380-72-74-75-81= 78kg

Answer:

\(\pi = \frac{22}{7} = 3.143143\)

Step-by-step explanation:

But my question is, what's your question??

Answer:

49π

Explanation:

I did the assignment on khan

Answer:

1 Cards = 36%

2 Cards = 28%  

3 Cards = 24%

4 Cards = 12.5%

Step-by-step explanation:

70 percent of the guests at this hotel used the valet service.

To find the percentage of guests who used the valet service, we can follow these steps:

1. Add the number of guests who used the valet service (280) and those who used the public parking garage (120) to find the total number of guests with cars: 280 + 120 = 400 guests.

2. Divide the number of guests who used the valet service (280) by the total number of guests with cars (400).

3. Multiply the result by 100 to convert it into a percentage.

So, let's calculate the percentage:

(280 / 400) * 100 = 0.7 * 100 = 70%

Thus, 70% of the guests at this hotel used the valet service.

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\(\textbf{(i)}\\\\\{1^3 +2^3 \} \times \left(\dfrac 13 \right)^2\\\\=(1+8) \left(\dfrac 19 \right)\\\\=9\left(\dfrac 19 \right)\\\\=1\\\\\)

\(\textbf{(ii)}\\\\\{5^{-1}\times 4^{-1}\}^2\\\\=\left(5^{-1} \right)^2 \times \left(4^{-1} \right)^2~~~~~~~~~~~;[(ab)^m = a^mb^m]\\\\=5^{-2}\times 4^{-2}~~~~~~~~~~~~~~~~~~~~;[(a^m)^n = a^{mn}]\\\\=\dfrac 1{5^2} \times \dfrac 1{4^2}~~~~~~~~~~~~~~~~~~~~~~;\left[a^{-m} = \dfrac 1{a^m},~ a\neq 0 \right]\\\\=\dfrac{1}{400}\\\\=0.0025\\\\\)

\(\textbf{(iii)}\\\\\left\{ \left(\dfrac 13 \right)^{-2} \times \left( \dfrac 12 \right)^{-2}\right\}\div \left(\dfrac 14 \right)^{-3}\\\\\\=\left( \dfrac 13 \times \dfrac 12 \right)^{-2} \div\left(4^{-1}\right)^{-3}\\\\\\=\left(\dfrac 16 \right)^{-2} \div 4^3\\\\\\=\left(6^{-1} \right)^{-2}\div 4^3\\\\\\=6^2 \div 4^3\\\\\\=36\div 64\\\\\\=\dfrac{9}{16}\\\\\\=0.5625\)

Answer:

x-6=5x+10

x-6-5x=10

-4x-6=10

-4x=10+6

-4x=16

-4x÷-4=16÷-4

x=-4

Answer:

0.29, 29%

Step-by-step explanation:

Answer:If two variables, x and y, vary inversely, their relationship can be represented by the equation:

x*y = k

where k is a constant of proportionality.

To find the value of k, we can use the given information that "y = 13 when x = 3". Substituting these values into the equation above, we get:

3*13 = k

Simplifying the expression on the left-hand side, we get:

39 = k

Therefore, the equation that relates x and y when they vary inversely is:

x*y = 39

Alternatively, we can solve for y in terms of x by rearranging the equation:

x*y = 39

y = 39/x

So the equation relating x and y can also be expressed as:

y = 39/x

{Hope this helps :)

Answer: ok ima try my best

the numbers that's in the {} are the umbers you put in for x so

10+10=22 is false

12+10=22 is true

in the x columns you put in the numbers

in the columns with the (x+10=22) you input the number for x so just rewrite it

then you answer if its the answer or not

Step-by-step explanation:

10+10=22 is false

12+10=22 is true < this one is the only one that's true the rest are false

i hope this helps

The probability distribution of the random variable Y is 0.63, 0.25, 0.12. The mean of y is 0.4899 and the std deviation of y is 0.6999 and the mean of the selling price for the fat quarters sold by Company G is $4.4 and the std deviation for the same is $0.99

a) x = number of defects on a fat quarter

to be sold, X must be, X ≤ 2

y = number of defects on the sellable fat quarter,

now from the table, P [fat quarter being sellable]

=P [X ≤ 2]

=0.58 + 0.23 + 0.11

= 0.92

Therefore, P[y-0] = P[x=0Ix≤2]

=\(\frac{P[x=0][x < 2]}{P[x < 2]}\)

=P[y=0] = 0.63

P[y=1] = P[x=1Ix≤2]

P[y=1] = \(\frac{0.23}{0.92}\)

=0.25

P[y=2] = P[x=2Ix≤2]

P[y=2] = \(\frac{0.11}{0.92}\)

= 0.12

y------------------0--------1---------2

probability---0.63----0.25----0.12

b)mean of y = E(y)

=0²×0.063+1×0.25+2×0.12

=0.25+0.24

=0.49

now we know that E(y²) = 0²×0.63+1²×0.25+2²×0.12

=0.25+0.48

=0.73

E(y²) - [E(y)]²

=0.73-0.49²

=0.4899

std deviation of y = 0.6999

c) now that we have E(G) = 0.40, √v(G) = 0.66

let s be selling price of fat quarters, then s = 5.00 - 1.50 × (G)

therefore = 5-1.5×0.4

=5-0.6

=$4.4 is the mean selling price.

now for the standard deviation price = v[5-1.5G]

=v(5)+1.5² v(G)

=0+2.25×0.66²

=v(s)= 0.9801

standard deviation of sp =√v(s)

=$0.99

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The statement that is true about having a salaried job is "The employee is paid the same amount each week regardless of the number of hours worked." So, correct option is B.

Salaried jobs typically offer a set salary for a specified period, such as weekly, bi-weekly, or monthly, regardless of the number of hours worked. This is in contrast to hourly jobs where an employee is paid based on the number of hours worked.

Salaried employees often have a contract that specifies their salary and may include additional benefits, such as health insurance, paid vacation days, or retirement plans.

The amount of the salary is often negotiated during the hiring process and may be based on factors such as the employee's experience, education, and qualifications.

While salaried employees are expected to work a certain number of hours per week, the salary remains the same regardless of whether the employee works more or less than the expected hours.

So, correct option is B.

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Answer:

1 1/4

Step-by-step explanation:

Answer:

5 months long

12 months in a year

3/4 of 12=9

1/3 of 12=4

9-4=5

Answer:

3x²

Step-by-step explanation:

In this question, you will plug in the expressions into the question and solve.

We know what f(x) and g(x) is, so plug in it and solve:

-x - (-3x² - x)

Distribute the negative to the variables inside the parenthesis.

-x + 3x² + x

Combine like terms.

3x²

Since this is what we're left with (we can't simplify further), 3x² would be your final answer.