someone HELPP me plssss pls

Someone HELPP Me Plssss Pls

Answers

Answer 1

Answer:  x=−4

Step-by-step explanation:


Related Questions

Which description best matches the graph below? please explain why you chose this answer. I will mark you brainliest

Answers

Because Gil starts walking away from home at an increase speed and then decrease speed then, was constant speed before speed up again last minute of his walk.

Simplify:
√-25-4

A. 1
B. -9
C. 5i-4
D. -5i-4

Answers

The simplified form of the expression √-25 - 4 is 5i - 4.

What is the simplified form of the expression?

Given the expression in the question.

√-25 - 4

To simplify, rewrite -25 as -1(25)

√-1(25) - 4

Rewrite √-1(25)  as √-1 × √25

√-1 × √25  - 4

Rewrite √-1 as i

i × √25  - 4

Rewrite 25 as 5²

i × √5²  - 4

Now, pull terms out from under the radical, assuming positive real numbers.

i × 5  - 4

Multiply i and 5

5i - 4

Therefore, the simplified form is  5i - 4.

Option C) 5i - 4 is the correct answer.

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A 148kg object is going a constant -3.5m/s. Then it experiences an impulse of -80kg*m/s, what is its new velocity?

Answers

The new velocity of the object is -4.04 m/s

How to determine the new velocity of the object?

Impulse is the change in momentum of an object which a force causes. It is  equal to the magnitude of the force multiplied by the length of time the force is applied.

Mathematically:

Impulse (I) = change in momentum = force(F) × time (t)

Also,

Ft = m(v-u)

I = m(v-u)

where m is the mass of the object, v is the new velocity and u is the initial velocity

From the given information; m = 148kg, u = -3.5m/s, I = -80 kg m/s:

I = m(v-u)

-80 = 148(v - (-3.5))

-80 = 148(v +3.5)

-80 = 148v + 518

148v = -80-518

148v = -598

v = -598/148

v = -4.04 m/s

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There are five brothers in a family. The oldest brother is 11 3/4 years old. Each of the four younger brothers is 2 7/12 years than the brother right before him. In how many years and months will another brother be born

Answers

In linear equation , The fifth son is younger than first son will be 31/3. And The age of the fifth son will be 1 and 5/12.

What in mathematics is a linear equation?

A linear equation is a first-order (linear) term plus a constant in the algebraic form y=mx+b, where m is the slope and b is the y-intercept.  

                                              The variables in the previous sentence, y and x, are referred to as a "linear equation with two variables" at times.

In a family, there are five sons. The oldest son is 11 and 3/4 years old, and every next younger brother is younger than the next by 2 and 7/12 years.

Then the fifth son is younger than first son will be

⇒ 4(2 + 7/12)

⇒ 4(31/12)

⇒ (31/3)

The age of the fifth son will be

⇒ (11 + 3/4) – 4(2 + 7/12)

⇒ (47/4) – 4(31/12)

⇒ (47/4) – (31/3)

⇒ 17/12

⇒ 1 + 5/12

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Caleb has 12 grams of tea. He bought 5/4 of
that amount for his mom. How many grams
did Cameron get his mom?

Answers

Answer: If Caleb bought 5/4 of the 12 grams of tea for his mom, we can use the following equation to find out how many grams he got his mom:

5/4 * 12 grams = (5/4) * 12 = 15 grams

So Caleb bought 15 grams of tea for his mom

Step-by-step explanation:

Help please I need this answer very quick will be very appreciated?

Answers

This figure has Line, Point and Rotational Symmetry.

How can you tell if something has rotational symmetry?

If a figure can be rotated by an angle between 0° and 360° so that the image coincides with the preimage, it has rotational symmetry. The smallest angle for which the figure can be rotated to coincide with itself is the angle of rotational symmetry.

What exactly is a line of symmetry?

A line of symmetry is a line that divides two equal and symmetrical parts of a shape or object. This line is also known as the axis of symmetry or the mirror line because it divides the figure symmetrically and the divided parts appear to be mirror reflections of each other.

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blank minutes= 7/10 hour

Answers

Answer: 42 minutes

Step-by-step explanation:

To find 7/10 of an hour, you can multiply 7/10 by 60 (the number of minutes in an hour) to get 420/10 minutes which simplifies to 42.

Sally's Smoothies makes two flavors: strawberry and banana. The ratio of strawberry
smoothies to banana smoothies is 3:2.
If Sally makes 60 strawberry smoothies, how many total smoothies does she make?
Select
60
, where n is the number of banana smoothies.
Cross multiply to get
Solve to find that n =
Select
smoothies
k
Sally makes 60 strawberry smoothies and
of
banana smoothies.
banana smoothies, for a total

Answers

The Total number of smoothies after calculating are 100 .

What is ratio ?

ratio can be defined as the Given value divided by the total value, is called as ratio.

Given ,

Sally's Smoothies makes two flavors: strawberry and banana. The ratio of strawberry

smoothies to banana smoothies is 3:2.

If Sally makes 60 strawberry smoothies, The number of total smoothies does she make are.

let the banana smoothie be x .

so,

3/2 = 60/x

x = 2* 60 / 3

x = 2*20

x = 40

Total number of smoothies are = 60+40 = 100

Hence , The Total number of smoothies are 100 .

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When the value of r is 0.8 the two variables have high correlation?

Answers

There is a significant association if is between 0.85 and 1. There is a moderate connection if lies between 0.5 and 0.85. If, then there is a weak association between the two variables.

What is Correlation Coefficient?

The strength of the linear link between two separate variables, x and y, is shown by correlation coefficients.

A positive relationship is shown by a linear correlation coefficient greater than zero.

Indicating a negative association is a value less than zero. The two variables x and y do not have any relationship when their values are 0, to sum up.

The correlation coefficient (r2) is a statistic that expresses how closely two variables' movements are related to one another.

To determine the linear relationship between two variables, the Pearson product-moment correlation, the most popular correlation coefficient, is used.

However, this correlation value might not necessarily be a reliable indicator of reliance in a non-linear connection.

Hence, There is a significant association if is between 0.85 and 1. There is a moderate connection if lies between 0.5 and 0.85. If, then there is a weak association between the two variables.

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What is the sum?
X
3
2
+
X+3 x+3 x+3
O
+
colch
53
X+5
X+3
X+5
3x+27
6x
X+3

Answers

The outcome or result of adding two or more integers is known as the SUM.

What is a sum?

The outcome of adding numbers or quantities mathematically is a summation, often known as a sum. A summation always has an even number of terms in it. There may be just two terms, or there may be 100, 1000, or even a million. Some summations include an infinite number of terms.

the sum of two or more numbers, magnitudes, quantities, or specifics as determined by or as though decided by the addition process in mathematics.

The outcome of adding two or more numbers, objects, or things is referred to in mathematics as the sum.

The result or solution we obtain from adding two or more integers is known as the SUM. Addends are the figures that are combined.

[tex]Simplify $\frac{x}{x+3}+\frac{3}{x+3}+\frac{2}{x+3}: \frac{x+5}{x+3}$Steps$$\frac{x}{x+3}+\frac{3}{x+3}+\frac{2}{x+3}$$Apply the fraction rule: $\frac{a}{c}+\frac{b}{c}=\frac{a+b}{c}$$$=\frac{x+3+2}{x+3}$$Add the numbers: $3+2=5$$$=\frac{x+5}{x+3}$$[/tex]

Therefore, the correct answer is option b) [tex]$=\frac{x+5}{x+3}$[/tex]

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The temperature is recorded in 65 cities on a given day in California. The
average temperature is 74 degrees Fahrenheit with a standard deviation of 4
degrees. What is the z-score for a temperature of 71 degrees?

Answers

The z-score for a temperature of 71 degrees is -0.75.

What is the z-score?

When assessed in terms of standard deviation units, a raw score's location in relation to its distance from the mean is indicated by a z-score. If a value is above the mean, the z-score is positive; if it is below the mean, it is negative.

The raw score less the population mean, divided by the population standard deviation, is the z-score.

Here, the mean average temperature is 74°, standard deviation is 4, and the raw score is 71°.

The formula for calculating z-score is -

Z = (x-μ)/σ

Where x is raw score, μ is mean and σ is standard deviation.

Plugging in the values -

Z = (71-74)/4

Z = -3/4

Z = -0.75

Therefore, the z-score is obtained as -0.75.

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Classify the polynomial 2q⁹.

Trinomial
Monomial
Binomial
None of these

Answers

The polynomial 2q⁹ is monomial.A polynomial can have one or more terms, whereas a monomial, binomial, trinomial, and a trinomial all have one term each.

What category does a polynomial fall under?By the degree of the polynomial, polynomials can be categorized. A polynomial's degree is equal to the highest degree term in the polynomial. Consequently, the result of 2x3+3x2+8x+5 is 3, or 3. When terms are organized in a polynomial from greatest to lowest degree, it is said to be expressed in standard form.A polynomial can have one or more terms, whereas a monomial, binomial, trinomial, and a trinomial all have one term each.The polynomial 2q⁹ is monomial.A polynomial can have one or more terms, whereas a monomial, binomial, trinomial, and a trinomial all have one term each.        

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I don't undertand thi:

There are 22 event at an indoor track and field meet. The ratio of track event to field event i 8:3. How many of the event are track event?

Can I jut have the ratio without the tory problem? Thank

Answers

There are 22 event at an indoor track and field meet. The ratio of track event to field event is 8:3. Therefore, there are 16 track events.

Ratio:

In mathematics, ratios indicate the number of times one number contains another number. For example, if you have 8 oranges and 6 lemons in your fruit bowl, the ratio of oranges to lemons is 8 to 6 (that is, a ratio of 8:6, or 4:3). Similarly, the ratio of lemons to oranges is 6:8 (or 3:4) and the ratio of oranges to whole fruit is 8:14 (or 4:7).

Now,

If you want to know the number of events in track events, we can calculate it in two steps:

Divide 22 in the ratio 8:3.

First,

add the numbers = 8 + 3 =11

Second,

For 08, We Multiple and divide  = 8/11 × 22

                                                     = 16

Again,

For 03, We again multiple and Divide = 3/11 × 22

                                                              = 06.

Therefore, there are 16 track events.

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Cups are sold in packages of 8. Napkins are sold in packages of 12. How many sets of cups and napkins will there be?

Answers

Is there a problem to this. I don’t understand
I think you’re missing something on the question.

9 (3x - 5) = 9 (3x + 5)

Answers

Answer:
27x-45 = 27x + 45
0+90
90 is your answer

I think-

the sum of 47 and 39 is 22 more than a number. what is the number?

Answers

Answer: 64

Step-by-step explanation:

(47 + 39) - 22

= 86 - 22

= 64

Exercie 4 An IQ tet wa adminitered to a random ample of 101 ixth grader. The ample mean wa 104. 2 with a tandard deviation of 12. Find a 99% confidence interval

Answers

A 99% confidence interval for an IQ test conducted for a sample of 101 sixth graders, where the sample mean was 104.2, with a standard deviation of 12 is 104.2 ± 3.076.

A 99% confidence interval can be calculated using the formula:

sample mean ± (critical value) x (standard deviation of the mean/ √(sample size))

[tex]sample\ mean\± (critical\ value) ( \frac{standard\ deviation\ of\ the\ mean}{\sqrt{sample\ size} } )[/tex]

To find the critical value, we can use the standard normal distribution table. For a 99% confidence interval, the critical value for a two-tailed test is approximately 2.576.

So, for this problem where sample mean = 104.2 and standard deviation of mean = 12, the 99% confidence interval would be:

104.2 ± 2.576 x (12 / √101)

≈ 104.2 ± 3.076

The standard deviation of the mean is the standard deviation of the sample divided by the square root of the sample size.

This gives us a range of approximately (101.124, 107.276). So we can say that there is a 99% probability that the true population mean IQ score of sixth graders is between 101.122 and 107.276.

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could someone pls help me with thissssss

Answers

The slope of the line through the points is -5/7.

What is slope ?

A number that describes a line's direction and steepness is known as the slope or gradient of a line in mathematics.

A line's steepness is determined by its slope. In mathematics, slope is determined by "rise over run" (change in y divided by change in x).

The slope is calculated as the ratio of the rise, which is the vertical change between two points, to the run, which is the horizontal change between those same two sites.

Typically, a line's slope provides information about the steepness and direction of the line. Finding the difference between the coordinates of the locations will allow you to quickly compute the slope of a straight line connecting two points, (x1,y1) and (x2,y2).

m=Δy/Δx

m=(y2−y1)/(x2−x1)

m=(4−−1)/(−3−4)

m=5/−7

m=−5/7

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would appreciate help

Answers

Answer:

59040

Step-by-step explanation:

Answer:

Step-by-step explanation:

ygyggygy

Estimate: 18.6 X 6.5​

Answers

Answer:

114

Explanation:

18.6 rounds up to 19

6.5 rounds down to 6

19 x 6 = 114

Exercises 9 and 10, write a function that represents the balance after t years.
9. $3000 deposit that earns 6% annual interest compounded quarterly.
10. $5000 deposit that earns 7.2% annual interest compounded monthly.

Answers

The function for the given compound interest will be A = 3000(1+6/4)  and A = 5000(1+7.2)  .

What is compound interest?

The interest on savings that is computed on both the initial principal and the interest accrued over time is known as compound interest. Compound interest is computed by multiplying the starting principal amount by one and the annual interest rate is raised to the number of compound periods minus one. The final step is to deduct the initial loan principal from the calculated value.

When the amount compounds quarterly, it means that the amount compounds 4 times in a year. i.e., n = 4. We use this fact to derive the quarterly compound interest formula. Thus, the quarterly compound interest formula is:

$3000 deposit that earns 6% annual interest compounded quarterly.

A = P (1 + r/4)4

A = 3000(1+6/4)

$5000 deposit that earns 7.2% annual interest compounded monthly.

A = P (1 + r)

A = 5000(1+7.2)  

Hence the function for the given compound interest will be A = 3000(1+6/4)  and A = 5000(1+7.2)  .

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Which function could have produced the values in the table? Explain why you chose this answer. i will mark you brainliest!!

Answers

Answer:

The answer is (d) y=3x+2

Inserting the given points in the given equation yields the answer. To make the process faster, insert the zero first then you will get y=2. You have to choose whether B and D. Then insert the x values and you will obtain the correct answer which is valid for the given points x and y.

PLEASE HELP
The fuel for a chain saw is a mix of oil and gas. The ratio of ounces of oil to gallons of gas is 9:19 . There are 152 gallons of gas. How many ounces of oil are there?

Answers

There are 72 ounces of oil.

What is second set of coordinate called?

Answers

The second set of coordinates is known as the Polar Coordinates.

Polar coordinates are a two-dimensional coordinate system in which each point on a plane is determined by a distance from a reference point (the pole) and an angle from a reference direction (the polar axis). The reference point is usually the origin (0,0) of a Cartesian coordinate system, and the reference direction is usually the positive x-axis of the Cartesian coordinate system. Polar coordinates are useful when dealing with circular shapes and symmetric patterns because all points on a circle can be represented by a single polar coordinate. For example, if you want to draw a circle, you only need to specify the center point, the radius, and the number of degrees you want to cover. Polar coordinates also allow for an easy conversion to Cartesian coordinates, which can be used for plotting points and finding distances. Additionally, polar coordinates can be used to determine angles and distances between two points in a two-dimensional plane. Polar coordinates are a powerful tool in mathematics and engineering, allowing for more efficient analysis of shapes and patterns.

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What is the correlation coefficient for the data shown in
the table?
О о
0 1
04
05

Answers

Answer:

i think the answer is one

Step-by-step explanation:

The solution is : The correlation coefficient is -1

What is correlation coefficient?

A correlation coefficient is a numerical measure of some type of correlation, meaning a statistical relationship between two variables. The variables may be two columns of a given data set of observations, often called a sample, or two components of a multivariate random variable with a known distribution.

Here, we have,

we want to get the correlation coefficient for the given dataset

from the table, what do we observe?

As x is increasing by 5 units;

y is decreasing by 5 units

What this mean is that there is a negative correlation between both

This means the linear regression will go through every point, and will be a perfect fit. The correlation coefficient, r, of a data set is 1 if it is a perfect positive fit and -1 if it is a perfect negative fit; since the slope is decreasing, this is a negative correlation, and since it fits perfectly, it is -1.

Thus, what we have here is that, since the rate of increase/decrease on both ends is of equal magnitude but opposite signs, we can conclude that the correlation coefficient is -1

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Estimate the instantaneous rate of change of 2/(t-3) at the point -1

Answers

The instantaneous rate of change of 2/(t-3) when the variable is equal to -1, is:

f'(-1) =  -1/8

How to find the instantaneous rate of change at the point t = -1?

Here we have the function:

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

To find the instantaneous rate of change at t = -1, we need to differentiate the function with respect to t, and then evaluate it at t = -1

First, the derivate of the function is:

f'(t) = df(t)/dt = (-1)*2/(t - 3)²

f'(t) = -2/(t - 3)²

Now to get the instantaneous rate of change, we evaluate the above function in t = -1 we will get:

f'(-1) = -2/(-1 - 3)² = -2/16 = -1/8

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Find the unit rate
Miles 3/5
Hours
1/3
? miles in 1 hour

Answers

When adopting the unitary technique, a mile is equivalent to 1.8 miles per hour when it takes 3/5 miles and 1/3 hour.

what is unitary method ?

The unit technique is a method of problem-solving where you first calculate the value of a single unit, then multiply that value to get the answer. Simply expressed, a single unit value is extracted from a specified multiple using the unit method. For instance, 40 pens will set you back 400 rupees, or $1.01. The method used to accomplish this might be standardized. a solitary nation. anything has a distinctive component. (Mathematics, Algebra) Its adjoint and reciprocal are equivalent. (Linear Algebra, Mathematical Analysis, Mathematics of Matrix or Operators)

given

3/5 miles were traveled in one third of an hour.

The distance that can be traveled in 1 hour is equal to (3/5) (1/3)

= (3/5)×3= 1.8 mph

Here, unit rate is expressed as mph=1.8 mph.

When adopting the unitary technique, a mile is equivalent to 1.8 miles per hour when it takes 3/5 miles and 1/3 hour.

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help please im timed

Answers

So, on solving the question the inequality equation, that will be formed here is  3x3+2y>1 and 4xx-y< -3

What do you call the solution to the system of linear inequalities?

If not, shade the other side of the plane. Graph each of the system's inequalities similarly. The place where all of the system's solutions intersect is where the system of inequalities' solution is located.

One solution pair exists for each independent system (x,y). There is just one possible location: the intersection of the two lines. There is no way to fix an inconsistent system. The two lines are parallel and will never cross one another, as you can see. There are countless ways to solve a dependent system.

If the inequality is true when the values of x and y are substituted, then an ordered pair (x,y) is the solution to the linear inequality. As a result, if the absolute value expression is set to a negative number, there is no solution.

the inequality equation, that will be formed here is

3x3+2y>1

and 4xx-y< -3

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17 ≥ 6x is the inequality which can be represented for the given variable x.

What do you call the solution to the system of linear inequalities?

If not, shade the other side of the plane. Graph each of the system's inequalities similarly. The place where all of the system's solutions intersect is where the system of inequalities' solution is located.

One solution pair exists for each independent system (x, y). There is just one possible location: the intersection of the two lines. There is no way to fix an inconsistent system. The two lines are parallel and will never cross one another, as you can see. There are countless ways to solve a dependent system.

If the inequality is true when the values of x and y are substituted, then an ordered pair (x,y) is the solution to the linear inequality. As a result, if the absolute value expression is set to a negative number, there is no solution.

You must pay $8.50 or less for the copies and each copy is $0.30

Let the number of copies be x and we have the inequality,

8.50 ≥ 0.30x

Divide 5 and multiply 10 from both sides

17 ≥ 6x

Thus, 17 ≥ 6x is the inequality which can be represented for the given variable x.

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Which equation has infinitely many solutions?
A. 6(3x - 5) = 10 - 2x
B. -3(4x - 8) = 6x + 12
C. -7(-8x + 3) = -21 + 56x
D. 9(3x - 4) = 27x + 36

Answers

The equation -3(4x - 8) = 6x + 12 has infinitely many solutions.

How to find if a equation has infinitely many solution?

An equation has infinitely many solutions when the equation is true for all possible values of the variable. One way to identify that an equation has infinitely many solutions is to see if the equation is true when the variable is replaced by any value.

What is  system of  equation?

A system of equations is a set of two or more equations that involve the same variables. The goal is to find the values of the variables that satisfy all of the equations in the system. There are different methods to solve a system of equations, depending on the type of equations and the number of variables involved.

The equation that has infinitely many solutions is:

B. -3(4x - 8) = 6x + 12

To see this, we can simplify the equation to:

-12x + 24 = 6x + 12

-12x = 12

x = -1

Now, if we put x = -1 in the equation, we see that it is true. If we put x = -2, x=0, x = 1, x = 3 and so on, we can see that the equation is true for all values of x.

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What must be added to X² 4x+?

Answers

To make the given expression x² + 4x + ___ a perfect square ( x + 2)² we must add 4 to the given expression.

As given in the question,

Given expression is equal to :

x² + 4x + ___

Using the formula of perfect square we have :

( a + b )² = a² + 2ab + b²

Here in the given expression x² + 4x + ___

a = x

b = 2

This implies that :

x² + 4x + ___

= x² + 2 ( 2 ) ( x ) + ( 2 )²

= x² + 2 ( 2 ) ( x ) + 4

= ( x + 2 )²

We must add '4' to the given expression.

Therefore, '4' must be added to the given expression x² + 4x + ___ to make it perfect square ( x + 2 )².

The above question is incomplete , the complete question is :

What must be added to the given expression x² + 4x + ___  to make it perfect square ?

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Matt and Alicia created a firm that is a separate legal entity and will share ownership of that firm on a 75/25 basis. Which type of entity did they create if they have no personal liability for the firm's debts?a. Limited partnershipb. Corporationc. Sole proprietorshipd. General partnershipe. Public company what are the arithmetic and geometric average returns for a stock with annual returns of 22 percent, 9 percent, 7 percent, and 13 percent? are net costs or sticker prices lower for higher education and why? Changes in brain responses (ERPs) related to motor preparation in an attention task would be evidence for ______________ Suppose a monopolist produces in a market with two distinct segments: market 1 (M1) and market 2 (M2). The firm faces a marginal cost and average cost equal to $20. Price ($) 5105750945546579858f0SU120 Quantity a. What is the profit in market 1? b. What is the profit in market 2? c. In which market is demand more elastic? (Click to select) It refers to being willing to risk the pain of failure in order to achieve success. Realize that questions have many subparts. For this homework please make sure that vour steps are clearly labeled and explained. Also, make sure to tabel everything on your graphs clearly. 1- Answer the following questions. Realize that some of them are True/False, some are multiple choice and some are multiple answers. a. All linear programming problems should have a unique solution, if they can be solved. True/false b. Binding constraints are constraints that hold as an equalify at the optimal solution. True/false c. Nonbinding constraints will always have slack, which is the difference between the two sides of the inequality in the constraint equation. True/false d. When using the graphical solution method to solve linear programming problems, the set of points that satisfy all constraints is called the reejon. i. optimal it. feasible iii. constrained iv. logical e. Consider the following linear peogramming problem: Maximize:5x1+5x2Subject to:x1+2x28x1+x26x1,x20The above linear programming problem i. has onliy one optimal solution. ii. is infeasible iii. is unbounded iv. has more than one optimai solution ODr. Kezban Yagci Sokat BUS2 190 Hint: You do not have to graph to solve the question, If you are able to find out the similarity to one of the class questions, that should help you find the answer very quicklyl. f. Which of the following statements are correct? (Select all apply) i. In some cases, a linear programming problem can be formulated such that the objective can become infinitely large (for a maximization problem) or infinitely small (for a minimization problem). ii. When modeling an optimization problem, the first step is to write the constraints. iii. If a manufacturing process takes 3 hours per unit ofxand 5 hours per unit ofyand a maximum of 100 hours of manulacturing process time are available, then the mathematical formulation of this constraint is3x+5y100iv. When we are writing a demand constraint, we use s. Saved Homework Ch. 9 Profit per unit is maximized when the firm produces the output where 17 Multiple Choice 4 points Demand equals MC. eBook References The MC is minimized The ATC is minimized MC equals MR How many degree does a minute hand of a clock turn through from 6:20am to 7:00am same day The reaction of iron(III) chloride with tin(II) chloride, as shown below. 2FeCl3 (aq) + SnCl, (aq) 2FeCl2 (aq) + SnCl, (aq) has the rate law: W rate = k[FeCl3]? [SnCl2] If the concentration of tin(II) chloride is doubled, how much will the initial rate of the reaction change relative to the original initial rate of reaction? Choose one: It will not change It will double it will triple it will quadruple Write a story using given points. Hare and tortoise----lives in jungle----hare runs quickly-----tortoise walks slowly----hare proud of himself------insults the tortoise----decides for race----hare runs fast and goes ahead-----hare takes rest-----tortoise wins the race------hare learns the lesson. Please give the right answer help w calorimeter problems pls. Derive the expression for the electric field magnitude in terms of the distance r from the center for the region rExpress your answer in terms of some or all of the variables Q, a, b, and appropriate constants.E1 = ? what is the wavelength of a baseball (m = 145 g) traveling at a speed of 114 mph (51.0 m/s)? what are the two most important intrinsic properties used to classify stars? A 1.000 L vessel is filled with 2.000 moles ofN2, 1.000 mole of H2, and 2.000 moles of NH3.When the reactionN2(g) + 3 H2(g) 2 NH3(g)comes to equilibrium, it is observed that theconcentration of H2 is 2.21 moles/L. What isthe numerical value of the equilibrium constant Kc? calculations of original density in this exercise differs from that offered in Exercise 6-2 a.) compare and contrast the formula used today with that used in Exercise 6-2. b.) could you have used the formula in exercise 6-2 for today's calculations?explain. Formula used in 6-2:OCD=CFU/original sample volume. Formula used in 6-3: OCD=CFU/Loop volume how many hydrogen atoms are needed to complete the following hydrocarbon structure? a. 14 b. 12 c. 10 d. 6 e. 8 what quantity of heat is released when 44g of liquid water at 0c freezes to ice at the same temperature? Select the correct answer from each drop-down menu. Juan is clearing land in the shape of a circle to plant a new tree. The diameter of the space he needs to clear is 52 inches. By midday, he hascleared a sector of the land cut off by a central angle of 140. What is the arc length and the area of land he has cleared midday?The land Juan has cleared by midday has an arc length of aboutinches and an area of aboutsquare inchesfirst box options: 64, 127, 20, 826second box options: 3,304, 826, 2,124, 64