1. The given linear equation: X/5 + (2+x)/2 = 1
To solve the equation, we can simplify and solve for x:
Multiply every term by the common denominator, which is 10:
2x + 5(2 + x) = 10
2x + 10 + 5x = 10
Combine like terms:
7x + 10 = 10
Subtract 10 from both sides:
7x = 0
Divide both sides by 7:
x = 0
Therefore, the solution to the equation is x = 0.
2. To solve the inequality, we can simplify and solve for x:
Multiply every term by the common denominator, which is 10:
2x + 5(2 + x) < 10
2x + 10 + 5x < 10
Combine like terms:
7x + 10 < 10
Subtract 10 from both sides:
7x < 0
Divide both sides by 7:
x < 0
Therefore, the solution to the inequality is x < 0.
3.To break even, the revenue from selling the shirts must equal the total cost, which includes the cost of creating the artwork and the cost per shirt.
Let's assume the number of shirts they need to sell to break even is "x".
Total cost = Cost of creating artwork + (Cost per shirt * Number of shirts)
Total cost = $500 + ($4 * x)
Total revenue = Selling price per shirt * Number of shirts
Total revenue = $20 * x
To break even, the total cost and total revenue should be equal:
$500 + ($4 * x) = $20 * x
Simplifying the equation:
500 + 4x = 20x
Subtract 4x from both sides:
500 = 16x
Divide both sides by 16:
x = 500/16
x ≈ 31.25
Since we cannot sell a fraction of a shirt, the university club must sell at least 32 shirts to break even.
4. The function: y = (2+x)/(x-5)
The domain of a function represents the set of all possible input values (x) for which the function is defined.
In this case, we need to find the values of x that make the denominator (x-5) non-zero because dividing by zero is undefined.
Therefore, to find the domain, we set the denominator (x-5) ≠ 0 and solve for x:
x - 5 ≠ 0
x ≠ 5
The domain of the function y = (2+x)/(x-5) is all real numbers except x = 5.
5. The function: y = √(x-5)
The domain of a square root function is determined by the values inside the square root, which must be greater than or equal to zero since taking the square root of a negative number is undefined in the real number system.
In this case, we have the expression (x-5) inside the square root. To find the domain, we set (x-5) ≥ 0 and solve for x:
x - 5 ≥ 0
x ≥ 5
The domain of the function y = √(x-5) is all real numbers greater than or equal to 5.
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Suppose that an individual has a body fat percentage of 16.8% and weighs 152 pounds. How many pounds of his weight is made up of body fat? Round your answer to the nearest tenth.
Step-by-step explanation:
16 , 8 % = ? p 100% = 152 p \(\pmb {? =\dfrac{152\cdot 16, 8}{100}=25, \underline 536 p\approx25,5 p }\)A, C, and B are collinear points with
C as a midpoint of A and B.
AC=6x+7 and AB = 98. Find the
value of x
A Moving to another question will save this response. estion 18 A work system has five separate stations that have process times of \( 5,9,4,9 \), and 8 . What is the thoroughput? 9 18 26 35 A Moving
the average processing time.1/7 = 0.1428The thorough put is equal to 0.1428 which is equivalent to 1 unit produced every 7 minutes. Therefore, the correct option is 18.
Thorough put is the amount of goods or services that are produced by a system, unit, or organization over a period.
To calculate thorough put, one must divide the total quantity of output by the time taken to generate the output.
Let's see the given problem below: A work system has five separate stations that have process times of \( 5,9,4,9 \), and 8 .
What is the thorough put? To begin with, we'll need to calculate the total processing time.
The processing times are: 5, 9, 4, 9, and 8. Summing these values up, we get 35.
Next, we'll divide the total processing time by the number of stations to get the average processing time.35 / 5 = 7
Finally, we will calculate the throughput as the reciprocal of the average processing time.1/7 = 0.1428The thorough put is equal to 0.1428 which is equivalent to 1 unit produced every 7 minutes. Therefore, the correct option is 18.
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Consider the following trapezoid.
Find the value of X.
(Helpful for math-space users)
Answer; y = 108
Explanation;
x + 72 = 180
X=180-72
The value that represents the variable x in the trapezoid is 108 degrees
How to determine the value of x?From the question, the trapezoid represents the given parameter
We can see that the trapezoid is an isosceles triangle
This means that the angle x and y are congruent
The sum of angles is a trapezoid is 360 degrees
So, we have the following summation equation
x + x + 72+ 72 = 360
Evaluate the like terms
So, we have
2x + 144= 360
This gives
2x = 216
Divide by 2
x = 108
Hence, the value of x is 108 degrees
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Enter the equation of the line in slope-intercept form. Slope is -6,and (4,3) is on the line. The equation of the line is
Answer:
Step-by-step explanation:
y - 3 = -6(x - 4)
y - 3 = -6x + 24
y = -6x + 27
What is c=10n if n=25??(Pic for my ferns)
Answer:
250
Step-by-step explanation:
c=10(250)=250
Answer:
see j i told you that u was pwetty UnU but did you listen no you didnt sissy
Step-by-step explanation:
Can you please not sit on my eggplant Because if 6 inches plus 6 inches is not 3 inches but it would be 12 inches then why would it be 12 inches if it wasn’t 3 inches?
Answer:
because you add. if you would subtract 6 inches by 3 inches it would be 3 inches.
Five thousand tickets are sold at $1 each for a charity raffle. Tickets are to be drawn at random and monetary prizes awarded as follows: 1 prize of $600,3 prizes of $300,5 prizes of $40, and 20 prizes of $5. What is the expected value of this raffle if you buy 1 ticket? Let X be the random variable for the amount won on a single raffle ticket E(X)= dollars (Round to the nearest cent as needed)
The expected value of buying one ticket in this charity raffle is $0.42. This means that, on average, a person can expect to win approximately $0.42 if they purchase a single ticket.
To calculate the expected value, we need to consider the probability of winning each prize multiplied by the value of the prize. Let's break it down:
- There is a 1/5000 chance of winning the $600 prize, so the expected value contribution from this prize is (1/5000) * $600 = $0.12.
- There are 3/5000 chances of winning the $300 prize, so the expected value contribution from these prizes is (3/5000) * $300 = $0.18.
- There are 5/5000 chances of winning the $40 prize, so the expected value contribution from these prizes is (5/5000) * $40 = $0.04.
- Finally, there are 20/5000 chances of winning the $5 prize, so the expected value contribution from these prizes is (20/5000) * $5 = $0.08.
Summing up all the expected value contributions, we get $0.12 + $0.18 + $0.04 + $0.08 = $0.42.
Therefore, if you buy one ticket in this raffle, the expected value of your winnings is $0.42.
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For nonnormal populations, as the sample size (n) ___________________, the distribution of sample means approaches a(n) ________________ distribution.
For nonnormal populations, as the sample size (n) increases, the distribution of sample means approaches a normal distribution.
This is known as the central limit theorem. The central limit theorem states that as the sample size increases, the distribution of sample means becomes more and more normal, even if the original population is not normal. The central limit theorem is a fundamental concept in statistics, as it allows us to use the normal distribution as an approximation for many statistical analyses, regardless of the underlying distribution of the population.
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pls answer quick thanks
Answer:
the answer is g= 1/3x - 2/3
Hey can anyone pls help me in dis real quick!!!!!
Answer:
1) you use any parallel lines or rectangles we can double the triangle to get the area and then divide by 2 as we know the length is 92.5yards and we know the width is 53.5 yards.
We would x these by each other and then divide by 2.
We have the width 53 1/2 yards wide and convert this to decimal if we want.
= 53.5 yards.
We then can count the yards for the length = 90 hash marks = 90 yards+ 2.5
= 92.5yards.
We square then add to find the hypotenuse diagonal line but it is an estimate as the lines inscribed subtends into the corner and it becomes a little larger as bottom line is used. Diagonal is found after by doing a reverse equation on the area.
53.5 x 92.5 then divide by 2 = 4948.75/2 = 2474.375
then 2474.375/ 26.75 = 92.5
This proves the line is isosceles and also find the height of the triangle.
But only as an estimate as the actual line distends
Last answer is B and W are equal measures this is because we do not see a right angle and if we bisected the triangle from the goal line to the left side we would prove the midpoint goal line is actually equal and makes lines of play isosceles where two sides are the same at point B and W.
So the answer is 1 yard as B runs the length of the goal back to a position of diagonal run.
The diagonal length is 92.5 yards
Step-by-step explanation:
simplify: 3(x-2)+2(2x+5)=35
Answer:
x=31/7
Step-by-step explanation:
3x-6+4x+10=35
7x=31
x=31/7 (The task was to find the x, not simplify)
Answer:
\(x=\frac{31}{7}\)
Step-by-step explanation:
One is given the following equation,
\(3(x-2)+2(2x+5)=35\)
Distribute, multiply every term inside the parenthesis by the term outside of it.
\(3(x-2)+2(2x+5)=35\)
\((3)(x)-(3)(2)+(2)(2x)+(2)(5)=35\)
Simplify,
\((3)(x)-(3)(2)+(2)(2x)+(2)(5)=35\)
\(3x-6+4x+10=35\)
\(7x+4=35\)
Inverse operations,
\(7x+4=35\)
\(7x=31\)
\(x=\frac{31}{7}\)
Which of the following is correct equation for the trend line in the scatter plot? A. Y= 2/5 x -2 B. Y= 5x-1 C. Y= 5x +5 D. Y= -x+5
The equation for the trend line in the scatter plot will be Y= 5x-1. Option B is correct.
What is a scatter plot?In an effort to demonstrate how much one variable is influenced by another, scatter plots are used to depict data points on a horizontal and vertical axis.
When there is no connection between two variables, it is called a zero correlation. For instance, there is no correlation between IQ level and the quantity of tea consumed.
The graphs are attached in the attachment.
The equation for the trend line in the scatter plot will be Y= 5x-1.
Hence, option B is correct.
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can someone graph y=x+4 i hate khan academy
Answer:
I hope this is good enough:
Step-by-step explanation:
I dis graph it just use demo's graphing system.
Find the value of x in this picture.
Answer:
i dont see a pic
Step-by-step explanation:
Which equations have no solution?
a. 3x-y=2, 9x-3y=6
b. 4x-7y+28=0, 5y-7x+9=0
c. 3x-5y-11=0, 6x-10y-7=0
d. None of these
Answer:
C has no solution
Step-by-step explanation
A. x=7, y=8
B. x=2/3 +1/3
Help plz i dont know the answer
Answer:
Your answer would be C
Step-by-step explanation:
Hope I helped!! :)
Match the graph to the correct inequality
X≥-3
X<-3
X≤ 3
X> -3
Answer: x ≥ -3
Step-by-step explanation:
Since the circle is "shaded" and it points to the right of -3. It will be read as greater than or equal to negative three.
Which of the following are maximum and minimum points of the function y= 2 cos x - 1?
A) Maximums: (0, 3), (2π, 3); Minimum: (π, -3)
B) Maximums: (0, 1), (2π, 1); Minimum: (π, -3)
C) Maximums: (0,3), (2π, 3); Minimum: (π, -1)
D) Maximums: (0, 1) (π/2, 1); Minimum: (3^π/2, -3)
Answer:
B) Maximums: (0, 1), (2π, 1);
Minimum: (π, -3)
Cole found BC in ΔABC . His work is shown below. Identify the first step in which his work shows an error. A Step 1: 92 + 152 = c2 B Step 2: 81 + 225 = c2 C Step 3: 306 = c2 D Step 4: 306−−−√ =c E Step 5: c≈17, so BCis about 17 in.
Answer: A
Step-by-step explanation:
(Chapter 13) Suppose f is twice continuously differentiable. At an in ection point of the curve y = f(x), the curvature is 0.
The curvature is zero at the origin, but f(x) is not twice continuously differentiable function at x = 0, because f''(x) does not exist at x = 0. Therefore, the statement is not necessarily true.
An inflection point is a point on a curve where the sign of the curvature changes. At an inflection point, the curvature may be zero, but it may also be undefined. Moreover, even if the curvature is defined and equal to zero at an inflection point, it does not necessarily imply that the function is twice continuously differentiable at that point.
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Solve the math problem
A copier takes 4 minutes to duplicate 480 pages, Express the rate at which the copier duplicates, in
pages per second,
Answer:
2 pages per second
Step-by-step explanation:
4*60= 240
480/240=2
2 pages per second
Mason and his dad are going to build a small retaining wall for the perimeter of their new
pool. They go to the hardware store and purchase 120 bricks that weigh 10 kg each. They
also buy a new statue that weighs about 9,000 kilograms. How much extra weight is in their
pickup truck when they leave the store? State your answer in kilograms.
Answer:
120 bricks = 10 kg
120 bricks × 10 kg = 1200 kg
1200 kg + 9000 kg = 10200 kg
Mara found the length of time of an investment. The principal of the investment was $4,300, the interest rate was 6.2 percent, and the interest was $2,666. Mara made an error in her work. I = p r t. 2666 = (4300) (0.062) t. 2666 = (266.6) t. StartFraction 266.6 over 2666 EndFraction = t. 0.1 = t.
Answer:
$266.60
Step-by-step explanation:
3 Sarah viaja en su bicicleta a una velocidad de 22.7 millas por hora. ¿Cuál es la velocidad aproximada de Sarah, en kilómetros por minuto? justifica tu respuesta
(1) 0.2
(2) 0.6
(3) 36.5
(4) 36.6
Sarah's speed in kilometers per minute is 0.6 kilometers per minute.
What is Sarah's approximate speed, in kilometers per minute?To convert the speed from miles per hour to kilometers per minute, we need to perform the following conversions:
1 mile = 1.60934 kilometers
1 hour = 60 minutes
We will convert miles per hour to kilometers per hour:
= 22.7 miles/hour * 1.60934 kilometers/mile
= 36.525918 kilometers/hour
We will convert kilometers per hour to kilometers per minute:
= 36.525918 kilometers/hour / 60 minutes/hour
= 0.60876697
= 0.6 kilometers/minute.
Full question:
Sarah is riding her bicycle at a speed of 22.7 miles per hour. What is Sarah's approximate speed, in kilometers per minute? justify your answer
(1) 0.2
(2) 0.6
(3) 36.5
(4) 36.6.
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y=(x-1)^3(x-2)^2(x-5)
The polynomial expression given is y=(x−1)³(x−2)²(x−5).This equation can be analyzed using various methods to determine different characteristics such as domain, range, symmetry, end behavior, and turning points. It is possible to factor the expression into linear terms and find out the zeros as well.First, let's determine the domain and range of the function.
The domain of a polynomial function is the set of all real numbers, which means that there are no restrictions on x for this equation. The range of the function, however, depends on the degree of the polynomial. In this case, the degree of the polynomial is odd, which means that its range is all real numbers.
Now let's take a look at the symmetry of the function.A function is symmetric if it remains unchanged when reflected across a line of symmetry. The degree of a polynomial determines whether the function is even, odd, or neither. In this case, the degree of the polynomial is odd, which means that the function is not symmetric about the y-axis or origin.
Next, let's analyze the end behavior of the function.The end behavior of a polynomial function is the behavior of the graph as x approaches positive or negative infinity.
The degree and leading coefficient of a polynomial function determine the end behavior. Since the degree of the polynomial is odd and the leading coefficient is positive, the end behavior of the function is that it rises to the left and falls to the right.Let's now determine the turning points of the function.
A turning point is a point on a curve where the slope changes from positive to negative or vice versa. Turning points can be found by setting the derivative of the function equal to zero. However, in this case, finding the derivative of the polynomial equation is very tedious and not feasible.
Thus, we can use a graphing calculator or software to plot the function and find the turning points.Therefore, the function y=(x−1)³(x−2)²(x−5) has a domain of all real numbers, a range of all real numbers, no symmetry, and end behavior that rises to the left and falls to the right.
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A triangular prism has a base that is an isosceles triangle with sides 14 cm, 14cm , base 9 cm , and height 13 cm. The height of the prism is 32 cm. What is the surface area of this prism?
Answer:
Surface area of prism = 1301 cm²
Step-by-step explanation:
A triangular pyramid has 3 rectangular sides and 2 triangular sides.
Now, we are told that the triangular side is isosceles.
This means that two of the rectangular sides which share a side with the equal side of the triangle are equal as well as the 2 triangular sides.
Surface area of prism = 2(area of triangular face) + 2(area of rectangle sharing one side with the equal side of the triangle) + (area of rectangle sharing side with the unequal side of the triangle).
Area of triangle = ½ × base × height
Area of triangle = ½ × 9 × 13 = 58.5 cm²
Since height of prism is 32 cm, then;
area of rectangle sharing one side with the equal side of the triangle = 32 × 14 = 448 cm²
area of rectangle sharing side with the unequal side of the triangle = 32 × 9 = 288 cm²
Thus;
Surface area of prism = 2(58.5) + 2(448) + 288
Surface area of prism = 1301 cm²
what must be included in a algebriac expression?
Answer:
Algebraic expressions include at least one variable and at least one operation (addition, subtraction, multiplication, division). For example, 2(x + 8y) is an algebraic expression.
Step-by-step explanation:
A trucking company sets up contracts with various manufacturing companies to ship their freight. One contract has the following points: A charge of 6.5% of the total value of the freight for each delivery. A charge of $70 per delivery regardless of the amount of freight. Your responsibility is to determine the lowest values of combinations of total freight value and number of deliveries each month that will be necessary in order for the trucking company to make AT LEAST $102,000 each month.
Using concept of linear inequality, number of least deliveries is 30 and value of freight is $60000.
What are linear inequalities?
Inequality represents the mathematical expression in which both sides are not equal. If the relationship makes the non-equal comparison between two expressions or two numbers, then it is known as inequality in Maths. In this case, the equal sign “=” in the expression is replaced by any of the inequality symbols such as greater than symbol (>), less than symbol (<), greater than or equal to symbol (≥), less than or equal to symbol (≤) or not equal to symbol (≠). The different types of inequalities in Maths are polynomial inequality, rational inequality, absolute value inequality.
The symbols ‘<‘ and ‘>’ express the strict inequalities and the symbols ‘≤’ and ‘≥’ denote slack inequalities. A linear inequality seems exactly like a linear equation but there is a change in the symbol that relates two expressions.
e.g. y>x+2
Now,
Given charge of $70 per delivery and A charge of 6.5% of the total value of the freight for each delivery and least amount is $102,000.
Let only one delivery is possible per day and no. of deliveries=n
amount of each freight=x
Therefore,
Linear inequality will be n(6.5/100**x+70)>102000
So least values of n and x will be
n=30 and x=$60000
Hence,
number of least deliveries is 30 and value of freight is $60000.
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