HEEEEEELP MEEEEEEE PLZZZZ WILL CHOOSE BRAINLIEST

Answer:

pain in the a§§......................

He can invite 7 friends.Because he had $40. He will spent for each person $5.25.

In mathematics, a relationship between two expression that are not equal to each other is called inequality.The word inequality mean not being equal ,especially in status, rights and opportunities.

A statement is a declarative statement that is true or false but both not.A statement is also called proposition.It may contain symbols and  words.

he has total money = $40

 cost of burger        =$4.50

 cost of soda           =$0.75

 Let, he will spend for each person

 4.50+0.75=$5.25

so, he can invite=40/5.25

                          =7.619

he can invite 7 friends.

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Answer:

x = -3

Step-by-step explanation:

5x + 3 = 4x,

x + 3 = 0,

x = -3

Answer:

the answer for this would be -3

We need only one man to dig the pond in 8 days.

Let's use the formula for the relationship between the number of people working on a task, the time it takes, and the amount of work to be done:

(amount of work) = (number of people) × (time) × (rate)

In this case, we know that:

- 10 men can dig the pond in 12 days, so they have a rate of 1/120 (since they complete 1/120th of the work per day)

- We want to find how many men can dig the same pond in 8 days, so we'll call the number of men we need "x".

Setting up the equation with these values:

(1) = (10)(12)(1/120)   (amount of work remains the same)

(1) = (x)(8)(1/r)      (where r is the new rate that x men can complete the work)

Simplifying the first equation:

(1) = (1/10)(1)   (dividing both sides by 120)

(1/10) = (1/120)

Plugging in this value and solving for x in the second equation:

(1/10) = (8x/r)

r = 80x

Substituting this value back into the equation:

(1) = (x)(8)(1/80x)

1/10 = (1/10)x

x = 1

Therefore, we need only one man to dig the pond in 8 days.

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Greetings from Brasil...

Let's isolate G

F = 2G + 2H

2G = F - 2H

Answer:

\(\sf g= \dfrac{f}{2}-h\)

Step-by-step explanation:

"Solve for g" means to apply arithmetic operations to isolate g.

Given equation:

\(\sf f = 2g + 2h\)

Subtract 2h from both sides:

\(\implies \sf f -2h= 2g + 2h-2h\)

\(\implies \sf f -2h= 2g\)

Divide both sides by 2:

\(\implies \sf \dfrac{f}{2}-\dfrac{2h}{2}= \dfrac{2g}{2}\)

Cancel the common factor of 2:

\(\implies \sf \dfrac{f}{2}-\dfrac{\diagup\!\!\!\!2\:h}{\diagup\!\!\!\!2}= \dfrac{\diagup\!\!\!\!2\:g}{\diagup\!\!\!\!2}\)

\(\implies \sf \dfrac{f}{2}-h=g\)

Switch sides:

\(\implies \sf g= \dfrac{f}{2}-h\)

858 combinations are there to choose 10 players to take the field.

Pick 10 people from 13,

\(C^{13} _{10}\) = \((^{13} _{2} )\)

Splitting the combination,

\(C^{13} _{10}\) = (13 × 12 × 11) ÷ 2

\(C^{13} _{10}\) = 1716 ÷ 2

\(C^{13} _{10}\) = 858 ways to pick the 10 to play.

There are 858 different methods to select 10 players to take the pitch.

The permutations of a set are the vaguely defined community of its members in arrangement or linear order, or the permutation of its components if the set is already collected. The act or procedure of adjusting the linear ordering of a sorted set is often named "permutation".

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Answer:

x= 4

y= -3

Step-by-step explanation:

x+y=1

+ x-y=7

-----------

2x = 8

x = 4

x+y=1

4+y=1

y= -3

graph:

x+y=1 is y= -x+1

x-y=7 is y= x-7

y= -x+1

y= x-7

graph is attached

looks like an X

they meet at (2,-3)

Answer: x+y=1:

y|x

0|1

 1|0

x-y=7:

x|y

0|-7

1|-6

Step-by-step explanation:

x+y=1

Graph the line using the slope and y-intercept, or two points.

Slope: -1

Y-intercept: (0,1)

x-y=7

Graph the line using the slope and y-intercept, or two points.

Slope: 1

y-intercept: (0,−7)

Hope this helps! Posted 1/3/23

∈Answer:

x ≥ 7/2

Step-by-step explanation:

-2x + 7 ≤ 0

(-2x + 7) + (-7) ≤ -7

-2x + 7 - 7 ≤ -7

-2x ≤ -7

2x/2 ≥ 7/2

x ≥ 7/2

x ∈ [7/2,∞)

something noteworthy is that the x-coordinate is the same for each point, so Check the picture below.

Given:

A  merchant bought 12 boxes of eggs containing 10 eggs each at the rate of Rs 50 per box.

He spent Rs 40 on transportation.

He sold the eggs at rs 12 per pair.

To find:

The gain or loss percentage.

Solution:

The cost of 1 box of eggs is Rs. 50. So, the cost of 12 boxes of eggs is:

\(12\times 50=600\)

Number of eggs in 12 boxes is:

\(12\times 10=120\)

He spent Rs 40 on transportation. So, total cost of 12 boxes of eggs is:

\(600+40=640\)

Cost of each egg is:

\(\dfrac{640}{120}=\dfrac{16}{3}\)

He sold the eggs at Rs 12 per pair. It means the selling price of two eggs is Rs 12. So, the selling price of each egg is:

\(\dfrac{12}{2}=6\)

We need to find the gain or loss percentage.

Since \(\dfrac{16}{3}<6\) it means the selling price is greater than the cost price, therefore it is gain.

The gain percent is:

\(Gain\%=\dfrac{S.P.-C.P.}{C.P.}\times 100\)

\(Gain\%=\dfrac{6-\dfrac{16}{3}}{\dfrac{16}{3}}\times 100\)

\(Gain\%=\dfrac{\dfrac{18-16}{3}}{\dfrac{16}{3}}\times 100\)

\(Gain\%=\dfrac{2}{16}\times 100\)

\(Gain\%=12.5\%\)

Therefore, the gain percent is 12.5%.

Answer:

1:18

Step-by-step explanation

18*2=36

18*3=54

so the propotion is 1 to 18, for every 1 hour 18 dollars are added

Answer:

BANANA CREME PIEEEE

Step-by-step explanation:

the answer is 7

Answer:

Most people when asked, “What is the equation of a line?”, will answer, “y = mx + b”. This is the

equation of a line in what is called slope-intercept form where “m” is the slope and “b” is the yintercept. So, how do you find the equation of a line? There are several different ways that you can find

the equation of a line. I find the equation of a line everytime by following the same three steps:

Step 1: Find the slope of the line.

Step 2: Use the slope to find the y-intercept.

Step 3: Use steps 1 and 2 to write the answer.

I will explain these steps by looking a several examples. Please understand that there are often several

different ways to complete each math problem, but I have found through the years that students are most

successful when the do problems the same way each and every time they attempt the problem. If you

know a different way to find the answer that is great, but I am going to show how to do the problem one

way and use the same technique everytime I see this problem.

Step-by-step explanation:

A. ∫(e^x cos(x)) dx = (1/2) e^x (sin(x) - cos(x)) + C.

B. ∫2x² / 4 dx - ∫3 / 4 dx = (1/2) x² - (3/4) x + C, where C is the constant of integration.

a) To evaluate the integral of ∫(e^x cos(x)) dx, we can use integration by parts.

Let u = e^x, and dv = cos(x) dx. Then du/dx = e^x and v = sin(x). Using the integration by parts formula,

∫(e^x cos(x)) dx = e^x sin(x) - ∫(e^x sin(x)) dx.

Next, we can use integration by parts again. Let u = e^x and dv = sin(x) dx. Then du/dx = e^x and v = -cos(x). Using the integration by parts formula again,

∫(e^x cos(x)) dx = e^x sin(x) - e^x cos(x) - ∫(e^x cos(x)) dx.

Adding ∫(e^x cos(x)) dx to both sides, we get

2∫(e^x cos(x)) dx = e^x (sin(x) - cos(x)) + C,

where C is the constant of integration.

Therefore,

∫(e^x cos(x)) dx = (1/2) e^x (sin(x) - cos(x)) + C.

b) To evaluate the integral of ∫2x³-3x / 4x dx, we can simplify the integrand by factoring out x:

∫2x³-3x / 4x dx = ∫(2x²-3) / 4 dx

Now we can integrate each term separately:

∫2x² / 4 dx - ∫3 / 4 dx = (1/2) x² - (3/4) x + C,

where C is the constant of integration.

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Answer:

6 units

Step-by-step explanation:

(-4 , -10) ; (-4 , -4)

Distance = \(\sqrt{(x_{2}-x_{1})^{2}+(y_{2}-y_{1})^{2}}\)

               \(= \sqrt{(-4-[-4])^{2}+(-4-[-10])^{2}}\\\\= \sqrt{(-4+4)^{2}+(-4+10)^{2}}\\\\=\sqrt{0+(6)^{2}}\\\\= \sqrt{36}\\\\= 6\)

Answer:

6 units

Step-by-step explanation:

edge2021

using exponents, On simplifying the equation, we get =4m+8.

The PEMDAS order of operations must be followed when you want to simplify a mathematical equation without using parenthesis (Parentheses, Exponents, Multiplication, Division, Addition, Subtraction). There are no parenthesis in the expression, so you may start looking for exponents. If it does, first make that simpler.

Work simplification is to develop better work processes that boost output while cutting waste and costs.

Simplifying an expression is the same as solving a mathematical issue. When you simplify an equation, you essentially try to write it as simply as you can. There shouldn't be any more multiplication, dividing, adding, or deleting to be done when the process is finished.

Given equation,

m-(8-3m)

=m-8+3m

=4m+8

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Answer:

w = 18

Step-by-step explanation:

Given

\(\frac{1}{3}\) (w + 18) = 12 ← distribute parenthesis on left side

\(\frac{1}{3}\) w + 6 = 12 ( subtract 6 from both sides )

\(\frac{1}{3}\) w = 6 ( multiply both sides by 3 to clear the fraction )

w = 18

The correct answer for the total number of configurations is not listed among the options A, B, C, or D. Customers can choose any combination of four optional features.

In the given scenario, we have a new car that comes in two models: sedan and hatchback. Additionally, there are eight different colors to choose from, and customers have the option to add any combination of four optional features. The question asks for the total number of possible configurations considering all these choices.

To find the total number of configurations, we need to consider the choices for each category and multiply them together.

Model:

Since the car is available in two models (sedan and hatchback), we have 2 choices for the model.

Color:

There are eight different colors available for the car. Since the color choice is independent of the model, we still have 8 choices for the color.

Optional features:

Customers can choose any combination of four optional features. Since there are no restrictions on the selection, we can consider it as a combination problem. The number of ways to choose r items from a set of n items is given by the formula nCr = n! / (r!(n-r)!). In this case, we want to choose 4 features from a set of available features. So, we have 4C4 = 4! / (4!(4-4)!) = 1.

To find the total number of configurations, we multiply the number of choices for each category together:

Total configurations = (Number of models) x (Number of colors) x (Number of optional features)

= 2 x 8 x 1

= 16.

Therefore, there are a total of 16 possible configurations for the new car, considering the choices for the model, color, and optional features.

Based on the options provided, none of them matches the correct answer. The correct answer for the total number of configurations is not listed among the options A, B, C, or D.

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Answer:

THE CORRECT ANSWER IS GH=18

The quantity that is more affected by Skewness is (a) IQR (Inter Quartile Range ) .

The Skewness is defined as measure of asymmetry of a distribution. A distribution is considered to be skewed if it is not symmetrical around its mean.

In the case of a skewed distribution, the IQR( Inter Quartile Range) will be affected by the skewness, because the range of the middle 50% of the data will be different from the range of the middle 50% of a symmetrical distribution.

Whereas the standard deviation, is a measure of the spread of the data and is affected by both skewness and outliers.

But , the standard deviation is not as robust as the IQR and may be influenced more by outliers and extreme values in a skewed distribution.

The given question is incomplete , the complete question is

Which is more affected by skewness ?

(a) IQR

(b) Neither one is affected.

(c) Standard Deviation

(d) Both are affected the same amount.

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Marissa's shape is classified as a scalene and obtuse triangle, considering it's concepts presented in this problem.

The triangle has three sides of unequal length, as the opposite angle measures are different, hence it is classified as an scalene triangle.

(it would be equilateral if all had the same length, and isosceles if two sides have the same length).

The triangle has one angle larger than 90º, hence it is classified as an obtuse triangle.

(acute with no angles of 90º or greater, right with one angle of exactly 90º).

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The storekeeper will receive a commission of GH¢ 122.50 if he sells goods worth GH¢ 1225.00.

To calculate the commission that the storekeeper will receive, we need to multiply the value of the goods sold by the commission rate.

The commission rate is given as 10%, which can be expressed as 0.10 in decimal form.

Let's calculate the commission:

Commission = Value of goods sold * Commission rate

Commission = GH¢ 1225.00 * 0.10

Commission = GH¢ 122.50

Therefore, the storekeeper will receive a commission of GH¢ 122.50 if he sells goods worth GH¢ 1225.00.

The commission is calculated by taking 10% of the total value of goods sold. In this case, the storekeeper is entitled to a commission that amounts to 10% of the sales.

It's important to note that commission rates can vary depending on the agreement between the storekeeper and the employer. In this scenario, the given commission rate is fixed at 10%. If the commission rate were different, the calculation would be adjusted accordingly.

Commission is a form of incentive or compensation provided to the storekeeper based on the sales performance. It motivates the storekeeper to sell more and contributes to the overall profitability of the business. The specific commission structure and rates may vary across different industries and organizations.

In summary, the storekeeper will receive a commission of GH¢ 122.50 if he sells goods worth GH¢ 1225.00 at a commission rate of 10%.

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Answer: C, D, F.

the equations that are equal to 20.5 are C) 30.71 - 10.21, D) 143.5 ÷ 7, and F) 10.25 X 2.

Step-by-step explanation:

A) 5.5x4 = 22

B) 10.5 + 6 + 4.5 - 1 = 20

C) 30.71 - 10.21 = 20.5

D) 143.5 ÷ 7 = 20.5

E) 10.5 ÷ 4 = 2.625

F) 10.25 X 2 = 20.5

Therefore, the equations that are equal to 20.5 are C) 30.71 - 10.21, D) 143.5 ÷ 7, and F) 10.25 X 2.

The following compositions are shown below:

Case 1

f ° g (x) = x, g ° f (x) = x

The two functions are inverses of each other.

Case 2

f ° g (x) = x, g ° f (x) = x

The two functions are inverses of each other.

In this problem we need to determine the composition between two functions and determine if both functions are inverses of each other. A composition is defined below:

f ° g (x) = f [g (x)]

Where the independent variable of the function f(x) is substituted by function g(x). Two functions are inverses if and only if the following condition is fulfilled:

f[g (x)] = g[f (x)]

Now we proceed to determine the compositions and relationships for each case:

Case 1

f(x) = 3 · x

g(x) = x / 3

f ° g (x) = 3 · (x / 3)

f ° g (x) = x

g ° f (x) = (3 · x) / 3

g ° f (x) = x

Functions f(x) and g(x) are inverses of each other.

Case 2

f(x) = (x - 3) / 2

g(x) = 2 · x + 3

f ° g (x) = [(2 · x + 3) - 3] / 2

f ° g (x) = 2 · x / 2

f ° g (x) = x

g ° f (x) = 2 · [(x - 3) / 2] + 3

g ° f (x) = (x - 3) + 3

g ° f (x) = x

Functions f(x) and g(x) are inverses of each other.

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Answer:

5.38 - 3.74 = 1.64

Step-by-step explanation:

1: Subtraction

2: Because it is the simplest way to solve the equation

Jill's starting salary was = 44442.38

percent raise received by Jill every year = 3.5%

After 9 years,

her salary will be = 61725.42

Increment received by Jill = 3.5 % × 61725.42

= 3.5 /100 × 61725.42

= 2160.38

Increment received by Jill in 8 years = 2160.38 × 8

= 17283.04

Starting salary of Jill = 61725.42 - 17283.04

= 44442.38

Employers have taken notice. According to another recent survey by PayScale, 85 percent of companies plan to give raises to employees in 2020 (though 71 percent of those planning to give raises are offering a 3 percent or less increase).

Plus, employees who feel good about their salaries tend to work harder, and show more loyalty to their companies. It’s important to make sure your employees feel valued for their time and efforts to grow your business.

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Answer:

4xy it all just becomes one

The combined present worth of the costs associated with the proposed bridge design, including construction and annual operating costs, is $10,583,333.

To calculate the combined present worth of costs, we need to consider the construction cost and the annual operating cost over the infinite life of the bridge. We will use the concept of present worth, which is the equivalent value of future costs in today's dollars.

The present worth of the construction cost is simply the initial cost itself, which is $9,000,000. This cost is already in present value terms.

For the annual operating cost, we need to calculate the present worth of perpetuity. A perpetuity is a series of equal payments that continue indefinitely. In this case, the annual operating cost of $700,000 represents an equal payment.

To calculate the present worth of the perpetuity, we can use the formula PW = A / MARR,

where PW is the present worth, A is the annual payment, and MARR is the minimum attractive rate of return (also known as the discount rate). Here, the MARR is given as 12%.

Plugging in the values, we have PW = $700,000 / 0.12 = $5,833,333.

Adding the present worth of the construction cost and the present worth of the perpetuity, we get $9,000,000 + $5,833,333 = $14,833,333.

However, since we are looking for the combined present worth, we need to subtract the salvage value, which is zero in this case. Therefore, the combined present worth of the costs associated with the proposed bridge design is $14,833,333 - $4,250,000 = $10,583,333, rounded to the nearest dollar.

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The probability that a randomly selected newborn baby boy will weigh less than 4107 grams is 0.9641, rounded to four decimal places.

To find the probability that a randomly selected newborn baby boy will weigh less than 4107 grams, we first need to standardize the weight using the formula:

z = (x - μ) / σ

where x is the weight we're interested in (4107 grams), μ is the mean weight (3639 grams), and σ is the square root of the variance (259.86 grams).

Plugging in the numbers, we get:

z = (4107 - 3639) / 259.86 = 1.802

This tells us that the weight of 4107 grams is 1.802 standard deviations above the mean weight.

Next, we can use a standard normal distribution table or calculator to find the probability of a z-score being less than 1.802. The table or calculator will give us a probability of 0.9641.

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Answer:

A≈201.06

Step-by-step explanation:

so it would be about 200.96

Answer:

C. 200.96

Step-by-step explanation:

First, find the radius by dividing 16 by 2:

16/2

= 8

Use the area formula to find the area:

A = \(\pi\)r²

A = \(\pi\)(8)²

A = 64\(\pi\)

A = 201.06

This answer is closest to C, 200.96

So, the correct answer is C. 200.96