Answer: No
Step-by-step explanation: For x 0-2, the y is increasing by +5 every time. However, the moment it hits x=2, it starts decreasing by -5 every time. This means that it does not follow on set pattern (either +5 or -5) and looks more like a ^ than a /.
The teacher has presented the problem 5 + 7 = ? to the class. The teacher has modeled using base ten blocks to represent the problem. The teacher observes several students as they model the problem with the manipulatives. Which model correctly demonstrates the use of the base ten blocks?
The correct model demonstrating the use of base ten blocks for the problem 5 + 7 = ? will show one ten block and two unit blocks, which represents the sum, 12.
To determine which model correctly demonstrates the use of the base ten blocks for the problem 5 + 7 = ?, follow these steps:
Represent the first number, 5, with base ten blocks. Since 5 is less than 10, you will use five unit blocks (each representing one).
Represent the second number, 7, with base ten blocks. Again, since 7 is less than 10, you will use seven unit blocks.
Combine the base ten blocks representing both numbers. In this case, you will have a total of 12 unit blocks (five from the first number and seven from the second number).
Check if any groupings of 10 can be made. Since 12 is greater than 10, you can create a group of 10 unit blocks and have two unit blocks left over.
Represent the combined number using base ten blocks. In this case, you will have one ten block (representing 10) and two unit blocks (representing 2).
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Determine the equation of the circle with center ( 2 , 3 ) (2,3) containing the point ( 7 , 15 ) (7,15)
Answer:
(x -2)² +(y -3)² = 169
Step-by-step explanation:
You want the equation of the circle through (7, 15) centered at (2, 3).
Circle equationThe standard-form equation for a circle with center (h, k) and radius r is ...
(x -h)² +(y -k)² = r²
The value of r² can be found using the distance formula.
d = √((x2 -x1)² +(y2 -y2)²)
d² = r² = (7 -2)² +(15 -3)² = 5² +12² = 25 +144
r² = 169
The circle equation is ...
(x -2)² +(y -3)² = 169
__
Additional comment
You may recognize the triangle shown in the attachment as having side measures that are the Pythagorean triple {5, 12, 13}. That is, once you see coordinate differences of 5 and 12, you know the circle radius is 13, and r² = 13² = 169.
<95141404393>
On hot, sunny, summer days, Jane rents inner tubes by the river that runs through her town. Based on her past experience, she has assigned the following probability distribution to the number of tubes she will rent on a randomly selected day.
x 25 50 75 100 Total
P(x) .20 .40 .30 .10 1.00
(a)
Calculate the expected value and standard deviation of this random variable. (Round your answers to 2 decimal places.)
Expected value
Standard Deviation
the standard deviation of this random variable is approximately 22.37 (rounded to 2 decimal places).
To calculate the expected value and standard deviation of the given probability distribution, we'll use the following formulas:
Expected value (μ):
μ = Σ(x * P(x))
Standard deviation (σ):
σ = √[Σ\(((x - myu)^2\) * P(x))]
where x is the value of the random variable, P(x) is the probability of that value occurring, μ is the expected value, and σ is the standard deviation.
Using the provided probability distribution:
x | 25 | 50 | 75 | 100 |
P(x) | 0.20 | 0.40 | 0.30 | 0.10 |
(a) Expected value:
μ = (25 * 0.20) + (50 * 0.40) + (75 * 0.30) + (100 * 0.10)
= 5 + 20 + 22.5 + 10
= 57.5
Therefore, the expected value of this random variable is 57.5.
Standard deviation:
First, we calculate the squared differences between each value and the expected value:
(x - μ)^2:
\((25 - 57.5)^2\) = 900
\((50 - 57.5)^2\) = 56.25
\((75 - 57.5)^2\) = 306.25
\((100 - 57.5)^2\) = 2062.5
Next, we multiply each squared difference by its corresponding probability:
[(x - μ)^2] * P(x):
(900 * 0.20) + (56.25 * 0.40) + (306.25 * 0.30) + (2062.5 * 0.10)
= 180 + 22.5 + 91.875 + 206.25
= 500.625
Finally, we take the square root of the result to get the standard deviation:
σ = √500.625
≈ 22.37
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What is the value of x?
3
10
2y + 4
04
O 6
10 - 2x
08
Answer:
4
Step-by-step explanation:
We know that oppostie sides of a rectange have to be equal
therefore
18=10+2x
solve for x
8=2x
x=4
Answer:
The value of x is 4
Step-by-step explanation:
For a given rectangle
Lenght (l) = 2y = 10
Breadth (b) = 10 + 2x = 18
Here,
2y = 10 ...(1)
10 + 2x = 18 ...(2)
Now, For x
10 + 2x = 18
2x = 18 - 10
2x = 8
x = 8/2
x = 4
Thus, The value of x is 4
-TheUnknownScientist
Please help me out . :)
Answer:
1080ft cubed
Step-by-step explanation:
The formula is "lenght times width times height."
Please oh please help me I don’t want too fail!
Answer:
D
Step-by-step explanation:
The best bet would be D because if its going counterclockwise 360 degrees then it would make a full rotation going back to the same position although I would work out the problem to the best of your ability just to make sure because I'm not entirely sure about my answer.
Given RWS~TUV find the values of x and y
The values of x and y will be 10 and 4 respectively, using congruent of the triangle.
What is congruent of the triangle?
The shapes maintain their equality regardless of how they are turned, flipped, or rotated before being cut out and stacked. We'll see that they'll be placed entirely on top of one another and will superimpose one another. Due to their identical radius and ability to be positioned directly on top of one another, the following circles are considered to be congruent.
Any two figures can be perfectly positioned over one another to demonstrate their congruence. The relationship between two figures that are said to be congruent is described using the word "congruence."
Here, ΔRWS ≅ ΔTUV
Here 2y + 10 = 30
2y = 30-10
y=20/2
y=10.
Agian ∠R = ∠T
Here ∠T = 90 -32 =58°
So 8x+26 = 58°
8x = 58-26
x = 32/8
x = 4.
Hence the values of x and y will be 10 and 4 respectively.
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4. The branch of mathematics that analyzes situations in which players must make decisions andthen receive payoffs most often used by economists isA. oligopoly collusion.B. prisoner's dilemma.C. game theory.D. collusion theory
The branch of mathematics that analyzes situations in which players must make decisions and then receive payoffs most often used by economists is "game theory". So, option C is the correct answeer.
Game theory is a branch of mathematics that studies how people or organizations interact in situations where there are choices to be made and where the outcome of each choice depends on the choices made by others. It is often used in economics to model the behavior of firms and consumers in markets, and to analyze strategic interactions between competitors in oligopolistic industries.
One of the most famous examples of game theory is the prisoner's dilemma, which is a simple model that illustrates how two individuals might not cooperate, even if it appears that it is in their best interest to do so.
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What is the perimeter of RSTV to the nearest hundred
Answer:
The perimeter of the square is;
\(17.89\)Explanation:
Given the square RSTV with the coordinates given the question.
\(R(-1,5),S(-3,1),T(-7,3)\text{ and V(-5,7)}\)Let us find the length of the sides of the square.
Using the formula for distance between two points;
\(\begin{gathered} l=RS=\sqrt[]{(y_2-y_1)^2+(x_2-x_1)^2} \\ l=RS=\sqrt[]{(1_{}-5)^2+(-3_{}-(-1)_{})^2} \\ l=RS=\sqrt[]{(-4_{})^2+(-2)^2} \\ l=RS=\sqrt[]{20} \\ l=RS=2\sqrt[]{5} \end{gathered}\)Recall that the perimeter of a square can be calculated using the formula;
\(\begin{gathered} P=4l \\ P=4(2\sqrt[]{5}) \\ P=8\sqrt[]{5} \\ P=17.89 \end{gathered}\)Therefore, the perimeter of the square is;
\(17.89\)how to solve 2+6|2x-6| > 74
Answer:
2 + 6 + 2x + 6 > 74
x > 9
What are the asymptote and the Y intercept of the function shown in the graph f(x)=3(0.2)^x+2
the asymptote is y = 2 and the y - intercept is (0,5)
What is asymptote function?An asymptote is a line that the graph of a function approaches as either x or y go to positive or negative infinity. There are three types of asymptotes: vertical, horizontal and oblique. That is, as approaches from either the positive or negative side, the function approaches positive or negative infinity.
According to the question
The function reaches the y-axis at the point (0,5).
The asymptote is the line that the function follows but never quite reaches. In this case, the function follows the path of y = 2. However, it never exactly fits the line.
The y-intercept is (0,5) and the asymptote is y = 2. The answer, then, is B.
Hence, the asymptote is y = 2 and the y - intercept is (0,5)
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perfume discounted 25% on sale for $27
Soo, since it's 25% off, I multiplied 27x0.75, and I got 20.25
Soo, the answer is $20.25
Have a great day!
Stay safe and healthy!
Happy holiday seasons!
May I please have brainliest?
A put option on the Canadian dollar with an exercise price USD 0.76/CAD sells for a premium of $0.039/CAD. If one contract is for CAD 100,000 and the spot price at maturity is $0.76/CAD: What is the profit to the option writer? (Negative numbers represent losses). If necessary, round to the nearest cent. Answer for the entire contract. For example, if the profit is .01 per unit and the contract is for 5000 units, then the profit on the contract is 50.
The profit for the option writer is $3,900.
In this scenario, the option writer sold a put option on the Canadian dollar with an exercise price of USD 0.76/CAD. The premium received for the option was $0.039/CAD. The contract size is CAD 100,000, and the spot price at maturity is $0.76/CAD. However, since the spot price at maturity is equal to the exercise price of $0.76/CAD, the option is not exercised. As the option writer, the profit is determined by the premium received. In this case, the premium received per contract is $0.039/CAD. Multiplying this by the contract size of CAD 100,000, we get $3,900.
It's important to note that if the spot price at maturity had been lower than the exercise price, the option would have been exercised, resulting in a loss for the option writer equal to the difference between the exercise price and the spot price, multiplied by the contract size.
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What is the approximate circumference of a circle whose radius is 18.2 cm?
Use 3.14 for π, and round your answer to the nearest tenth.
(Options Below)
Answer:
The answer is 114.3 cm
Step-by-step explanation:
the formula is c=2(pi)r so it's 2(3.14)(18.2) which is 114.296.
2. A function y = 6sin (x-π / 3) cos (x −π / 3) - 1, where 0 ≤ x ≤3π / 2
a. Find all stationary points
b. Find all the extreme values.
c. Find the increasing function interval and the decreasing function interval
d. Check interval of concave (concave up and concave downward)
Answer:
if your solving for y the answer would be y= - 3sin(2x)+3cos(2x)X√3 -1,x∈R /2
Step-by-step explanation:
If you also want extra help with these math problems you can also download Photomath
If x and y are integers and x = 50y + 69, which of the following must be odd? O xy O x+y O x+2y 3x - 1 O 3x+1
Since 50 is an even number, we know that x will be even if y is even (50 times an even number is still even) and odd if y is odd (50 times an odd number is odd). Therefore, the only answer choice that must be odd is x+y.
Given that x and y are integers and x = 50y + 69, let's determine which of the following expressions must be odd.
1. xy: Since x is odd (50y + 69), when it is multiplied by any integer y, the result will always be odd. Therefore, xy must be odd.
2. x + y: If x is odd, adding it to an even integer (y) would result in an odd number. However, adding it to an odd integer (y) would result in an even number. Therefore, x + y does not necessarily have to be odd. xy: We can't determine if this is odd or even without knowing the values of x and y.
- x+y: This expression is always odd. To see why, consider two cases:
If x and y are both odd, then x+y is even+odd=odd.
If x and y are both even, then x+y is even+even=even.
If one of x and y is odd and the other is even, then x + y is odd + even =odd.
3. x+2y: We can't determine if this is odd or even without knowing the values of x and y.
3x-1: This expression will be odd if x is odd (3 times an odd number is odd) and even if x is even (3 times an even number is even).
3x+1: This expression will be odd if x is even (3 times an even number plus 1 is odd) and even if x is odd (3 times an odd number plus 1 is even).
x + 2y: Since x is odd and 2y is always even, their sum must be odd. Therefore, x + 2 y must be odd.
4. 3x - 1: This expression is odd, since 3x will always be odd (as x is odd) and subtracting 1 from an odd number results in an even number. Therefore, 3x - 1 does not necessarily have to be odd.
5. 3x + 1: This expression is odd, since 3x will always be odd (as x is odd) and adding 1 to an odd number results in an even number. Therefore, 3x + 1 must be odd.
In conclusion, the expressions that must be odd are xy, x + 2y, and 3x + 1.
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1, 4, 5, and 6, please!
how to solve this equation
-4x - 5 - 11x= 40
Answer:
x = -3
Step-by-step explanation:
\(-4x-5-11x=40\\-15x=40+5\)
\(x=\frac{45}{-15}\)
\(x=-3\)
Hope this helps.
My teacher asked me to round 71,500 to the nearest thousand. I think that the answer is 72,000. Did I round correctly?
Answer:
yeah, that's right!!!!
suppose that xt is a poisson process with parameter ).. 1. find e(x1 i x2) and e(x2 i xi).
To find e(x1 i x2), we use the conditional expectation formula: E(x1 | x2) = λ(x1 ∩ x2)/P(x2), where λ is the Poisson parameter and P(x2) is the probability of event x2 occurring.
Since xt is a Poisson process, we know that the number of events in any interval of length t follows a Poisson distribution with mean λt. Thus, the probability of x2 occurring in an interval of length t is given by P(x2) = e^(-λt)(λt)^x2/x2!.
Now we need to calculate λ(x1 ∩ x2), the expected number of events in the intersection of intervals x1 and x2. Since the Poisson process is memoryless, the events in x1 and x2 are independent and occur at rate λ. Therefore, the expected number of events in x1 ∩ x2 is λt1t2, where t1 and t2 are the lengths of intervals x1 and x2, respectively.
Putting it all together, we get:
E(x1 | x2) = λ(x1 ∩ x2)/P(x2)
= (λt1t2)/(e^(-λt2)(λt2)^x2/x2!)
= x2t1
Similarly, to find E(x2 | x1), we can use the same formula:
E(x2 | x1) = λ(x1 ∩ x2)/P(x1)
= (λt1t2)/(e^(-λt1)(λt1)^x1/x1!)
= x1t2
Therefore, E(x1 | x2) = x2t1 and E(x2 | x1) = x1t2.
Let Xt be a Poisson process with parameter λ. To find E(X1 | X2) and E(X2 | X1), we first need to understand the conditional expectations involved.
1. E(X1 | X2) represents the expected value of X1 given that X2 has occurred. In a Poisson process, the number of events in non-overlapping intervals is independent. Therefore, knowing the number of events in the interval X2 doesn't give any additional information about the events in the interval X1. So, E(X1 | X2) = E(X1), which can be calculated as follows:
E(X1) = λt1, where t1 is the length of the interval X1.
2. Similarly, E(X2 | X1) represents the expected value of X2 given that X1 has occurred. Since the number of events in X1 and X2 are independent, E(X2 | X1) = E(X2):
E(X2) = λt2, where t2 is the length of the interval X2.
In summary, E(X1 | X2) = λt1 and E(X2 | X1) = λt2 for a Poisson process with parameter λ, since the number of events in non-overlapping intervals is independent.
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silicon chips were packed 420 to the box. if 130,420 chips were to be shipped, how many boxes would be needed
Answer:
my butt
Step-by-step explanation:
1+1
Help!!!!!! Thanks will make you brainily person
Answer:
your welcome
Step-by-step explanation: its 6(10)+180=5x
A is the Answer
Step-by-step explanation:
Have a good day
Pls Help!! I’ll give Brainliest
The graphs of the inequalities are added as an attachment
How to complete the blanks?Inequality 1
The interval notation is given as:
(-2, 4]
This means that the value of x is greater than 2 and less than or equal to 4
So, the inequality is:
-2 < x <=4
Also, the set notation is:
{x | -2 < x <=4 }
See attachment for the graph
Inequality 2
The inequality is given as:
x < 3
This means that the value of x is less than 3
So, the interval notation is:
-∝ < x < 3
Also, the set notation is:
{x | -∝ < x < 3}
See attachment for the graph
Inequality 3
The statement is given as:
The value of x is greater than or equal to -3.5 and less than 1
This means that the inequality is
-3.5 <= x < 1
So, the interval notation is:
[-3.5, 1)
Also, the set notation is:
{x | -3.5 <= x < 1}
See attachment for the graph
Inequality 4
The set notation is given as:
{x | -1 <= x <= 2}
This means that the value of x is greater than or equal to -1 and less than or equal to 2
So, the inequality is:
-1 <= x <= 2
Also, the interval notation is:
[-1, 2]
See attachment for the graph
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Todd is attempting to predict how much money his furniture company will make based on the amount raw materials the company currently has at its disposal. The average profit from the sale of 1 piece of furniture can be expressed 2x-2 as and the average number of pieces of furniture that can be made using the current supply of raw materials can be expressed as 2x-2. What polynomial function can Todd use to calculate the average profit
Answer:
\(4x^{2} -8x+4\)
Step-by-step explanation:
The average profit expression is for 1 piece of furniture
The amount of furniture is another expression
So we have to multiply both expressions to get the total profit.
(2x-2) (2x-2) = 4x^2 - 4x - 4x + 4
= 4x^2 - 8x + 4
help me pleasee, my brain won't work
The given fractions have equal value, so Liam is correct.
How to find the equivalent fractions?Equivalent fractions are defined as fractions that have different numerators and denominators but the same value. For example, 2/4 and 3/6 are equivalent fractions because they are both equal to 1/2. A fraction is part of a whole. Equivalent fractions represent the same part of a whole.
Liam is claiming that the fraction -(5/12) is equivalent to 5/-12.
Thus, we can say that:
The fraction -(5/12) can be described as the opposite of a positive number divided by a positive number. A positive number divided by a positive number always results in a positive quotient and its' opposite is always negative.
The fraction 5/-12 can be described as a positive number divided by a negative number which always results in a negative quotient
The fractions have equal value, so Liam is correct
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Given: EG - diameter m arc FG =41°, m arc EH =53° Find: m∠E, m∠GPF
Answer: m∠E = 20.5°
m∠GPF = 47°
Step-by-step explanation: An inscribed angle is an alge formed with its vertex on the circle. Its relation with arc is that the measure of an inscribed angle is half the measure of the intersected arc. For that reason:
m∠E = \(\frac{arcFG}{2}\)
m∠E = \(\frac{41}{2}\)
m∠E = 20.5°
Angle in F is:
m∠F = \(\frac{arcEH}{2}\)
m∠F = \(\frac{53}{2}\)
m∠F = 26.5°
The angle GPF is external to the triangle EPF, so the angle can be found by the following definition: The measure of an external angle of a triangle equals the sum of the non-adjacent angles, i.e.:
m∠GPF = m∠E + m∠F
m∠GPF = 20.5 + 26.5
m∠GPF = 47°
Answer:
b
Step-by-step explanation:
Can pls someone help me I need help
Answer:
180-degree angle
This is not a 90-degree angle because if it were to be, then it would be AB, which is not what we are going for, which leaves BC as 180 degrees (if you see it on a protractor)
When the price of a good is $5, the quantity demanded is 100 units per month; when the price is $7, the quantity demanded is 80 units per month. Using the midpoint method, the price elasticity of demand is about.
Using the midpoint method, the price elasticity of demand is approximately -0.67.
To calculate the price elasticity of demand using the midpoint method, we'll use the following formula:
Price Elasticity of Demand (Ed) = (% change in quantity demanded) / (% change in price)
First, let's find the percentage changes:
% change in quantity demanded = ((New Quantity Demanded - Old Quantity Demanded) / Midpoint of Quantities) * 100
= ((80 - 100) / ((100 + 80) / 2)) * 100
= (-20 / 90) * 100
= -22.22%
% change in price = ((New Price - Old Price) / Midpoint of Prices) * 100
= ((7 - 5) / ((5 + 7) / 2)) * 100
= (2 / 6) * 100
= 33.33%
Now, let's plug the values into the formula:
Ed = (-22.22% / 33.33%)
= -0.67
So, the price elasticity of demand is approximately -0.67.
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18x^2
−3
will give brailiest
Answer:
3(6^2−1)
Step-by-step explanation:
Answer:
3(6^2−1)
Step-by-step explanation:
Now brainiest?
Your aunt offers you a choice of $22,000 in 20 years or $820 today. Use Appendix B as an approximate answer, but calculate your final answer using the formula and financial calculator methods. a-1. If money is discounted at 18 percent, what is the present value of the $22,000 ? (Do not round intermediate calculations. Round your final answer to 2 decimal places.) a-2. Which offer should you choose? $22.000 in 20 years $820 today
The problem presents a choice between receiving $22,000 in 20 years or $820 today. We are asked to determine the present value of $22,000 using a discount rate of 18 percent and determine which offer is more favorable. It would be more advantageous to choose the $820 offer today rather than waiting for $22,000 in 20 years
a-1. To calculate the present value of $22,000, we can use the formula for present value (PV) which is given by PV = FV / (1 + r)^n, where FV is the future value, r is the discount rate, and n is the number of periods. Plugging in the values, we have PV = $22,000 / (1 + 0.18)^20. Evaluating this expression, we find the present value to be approximately $1,779.82.
a-2. Comparing the present value of $22,000 ($1,779.82) to the immediate offer of $820, we can see that the present value is significantly lower. Therefore, based on financial calculations, it would be more advantageous to choose the $820 offer today rather than waiting for $22,000 in 20 years.
Note: It is important to consider that financial decisions may involve various factors and considerations beyond the scope of this analysis, such as individual financial goals, risk tolerance, and alternative investment opportunities.
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