Answer:
not enough context
You have round tables each seating 6 people. As your guests sit at the table, how many degrees must you rotate to look from the guest to their left to the guest to their right? (Hint: The interior angles of regular polygon measure ((n - 2) x 180) / n where n is the number of sides.)
To look from the guest to their left to the guest to their right at a round table seating 6 people, you need to rotate by 60 degrees.
For a regular polygon with n sides, the sum of its interior angles is given by ((n - 2) × 180) degrees. In the case of a round table seating 6 people, the table can be considered as a hexagon, which has 6 sides. Using the formula, we can calculate the sum of the interior angles:
((6 - 2) × 180) / 6 = (4 × 180) / 6 = 720 / 6 = 120 degrees
Since the table forms a complete circle, the sum of the interior angles is divided equally among the guests. Therefore, each guest sits at an angle of 120 degrees. To look from the guest to their left to the guest to their right, you need to rotate by the angle between adjacent guests, which is half of the angle they sit at:
120 / 2 = 60 degrees
Thus, to look from the guest to their left to the guest to their right at a round table seating 6 people, you need to rotate by 60 degrees.
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Curved surface area of a cylinder is 100 and the radius is 5 cm find the height
By using the formula of curved surfaced area of cylinder, it can be calculated that-
Height of the cylinder = 3.18 cm
What is curved surface area of cylinder?
Curved surface area of cylinder is the space occupied by the curved surface of the cylinder.
If r is the radius of the cylinder and h is the height of the cylinder, then curved surface area of cylinder is calculated by the formula
Curved surface area of cylinder = 2\(\pi\)rh
Let the height of the cylinder be h cm
Radius = 5 cm
Curved surface area = 2\(\pi\)rh
= \(2\times \frac{22}{7}\times 5 \times h\)
= \(\frac{220}{7}h\)
By the problem,
\(\frac{220}{7}h = 100\)
\(h = \frac{100 \times 7}{220}\)
h = 3.18 cm
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A basketball player makes 0.7 of the free throws he tries. Assuming this percentage will hold true for future attempts find the probability that in the next six tries the number of free throws he will make is: at least 4 and at most 3?
The probability that in the next six tries the number of free throws he will make is at least 4 is 0.74431 and at most 3 is 0.25569.
To find the probability for the given scenarios, we'll consider the two separate cases:
1. At least 4 free throws made:
The number of free throws the player will make in the next six tries follows a binomial distribution with parameters n = 6 (number of trials) and p = 0.7 (probability of success in each trial).
To find the probability that the player makes at least 4 free throws in the next six tries, we need to calculate the probabilities of making 4, 5, or 6 free throws, and add them up:
P(X ≥ 4) = P(X = 4) + P(X = 5) + P(X = 6)
where X is the random variable representing the number of free throws made.
Using the binomial probability formula, we can calculate these probabilities:
- Probability of making 4 free throws: (6 choose 4) * 0.7⁴ * 0.3²
- Probability of making 5 free throws: (6 choose 5) * 0.7⁵ * 0.3¹
- Probability of making 6 free throws: (6 choose 6) * 0.7⁶ * 0.3⁰
where "choose" is the binomial coefficient (6 choose 4) = 6!/(4!2!) = 15, and so on.
Getting the sum of these probabilities will give the probability of making at least 4 free throws.
P(X ≥ 4) = 0.324135 + 0.302526 + 0.117649 = 0.74431
2. To find the probability of making at most 3 free throws, we can use the complement rule:
P(X ≤ 3) = 1 - P(X ≥ 4) = 1 - 0.74431 = 0.25569
Therefore, the probability of making at least 4 and at most 3 free throws in the next six tries is:
P(3 ≤ X ≤ 4) = P(X ≤ 3) + P(X ≥ 4) = 0.25569 + 0.74431 = 1.0
This makes sense, since the player must make either at least 4 or at most 3 free throws in the next six tries, so the sum of these probabilities is 1.
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Julio says,"If you subtract 15 from my number and multiply the difference by -7,the result is -175." What is Julios number
Answer: 40
Step-by-step explanation:
Assume Julio's number is x.
The expression would be:
-7 * (x - 15) = -175
x - 15 = -175/-7
x = -175/-7 + 15
x = 40
A printer makes more than 3 copies of a book every hour. How many books can the printer make in 4 hours?
Answer:
12
Step-by-step explanation:
4 x 3 is 12
Which of the following statements is true?
Answer:
B - (0,0) is a solution to n = m and to n = 4m
Step-by-step explanation:
The only place where a number meets the same value multiplied by 4 is at (0,0). Otherwise it's just the same function just with a different slope
A system of two linear equations in two variable has no solution, if their graphs
a. coincide
b. cut the x-axis
c. do not intersect at any point
d. intersect only at a point
A system of two linear equations in two variables has no solution if their graphs c. do not intersect at any point.\
When a system of two linear equations in two variables has no solution, it means that there is no point of intersection between the two lines represented by the equations. This means that the lines are parallel, and do not intersect at any point. This is also known as an inconsistent system. On the other hand, if the two lines intersect at exactly one point, it is a consistent system and has a unique solution. If the two lines are coincident, it will have infinitely many solutions.
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Determine the solution to the equation. 8+4x=2x+8+2x A Infinite B One Solution C No Solution
After solving the given equations the answer is an Infinite solution. Hence, option A is correct
What is an equation?Mathematical expressions with two algebraic symbols on either side of the equal (=) sign are called equations.
This relationship is illustrated by the left and right expressions being equal to one another. The left-hand side equals the right-hand side is a basic, straightforward equation.
As per the given equation in the question,
8 + 4x = 2x + 8 + 2x
Firstly, let's write the given equation in a simplified manner,
8 + 4x = 8 + 4x
As we can see that LHS = RHS, which means that both equations are the same then which means they will give infinite solutions.
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A drawing of a basketball backboard was made using semicircle and rectangle
What is the area of the drawing of the backboard
A: 126 in
B: 253.17in
C:380.34in
D:122.5 in
a telephone survey of 1000 randomly selected us adults found that 31% of them say they believe in ghosts. does this provide evidence that more than 1 in 4 us adults believe in ghosts? clearly show all details of the test.
How can a telephone survey of 1000 randomly selected US adults provide evidence that more than 1 in 4 US adults believe in ghosts?The survey results provide evidence that more than one in four US adults believe in ghosts. The telephone survey was conducted on a random sample of 1000 US adults. The survey found that 31 percent of US adults believed in ghosts.
To determine whether more than one in four US adults believe in ghosts, the null and alternative hypotheses will be tested.The null hypothesis in this scenario is that less than or equal to 25% of US adults believe in ghosts. The alternative hypothesis is that more than 25% of US adults believe in ghosts.Therefore, the level of significance (α) will be determined.
The α level is typically set to 0.05. This means that the likelihood of making a type I error is 5%. Then, the z-score will be calculated as follows:z = (0.31 - 0.25) / sqrt[(0.25 x 0.75) / 1000]z = 2.83The obtained z-score will be compared to the critical z-value using a z-distribution table. The critical z-value is 1.96. Since the obtained z-score is greater than the critical z-value, the null hypothesis will be rejected. Therefore, there is evidence to suggest that more than one in four US adults believe in ghosts.
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The total cost to pay for parking at a state park for the day and rent a paddleboat are shown. Number of Hours Cost (5) 1 $17 2 $29 3 $41 4 $53 Part 1 Find the cost to park for a day and the hourly rate to rent a paddleboat. The cost to park for a day Is $ 5 and the hourly rate to rent a paddleboat is $ 12 Part 2 out of 2 What will Lin pay if she rents a paddleboat for 3.5 hours and splits the total cost with a friend? Complete the explanation. The total cost to rent the boat will be hours per hour + $ friend, they will each pay $ 1+2= If she splits the cost with a
We have the following:
The total cost to rent the boat will be:
3.5 hours x $ 12 per hour + $ 5 = $ 47. If she splits the cost with a friend, they each play $ 47 / 2 = $ 23.5
Determine whether the statement is true or false. If the statement is false, explain why. The midpoint of the segment joining (0,0) and (38,38) is 19.
The midpoint has coordinates (19,19) as per the midpoint formula.
The statement is false.
The statement is false. The midpoint of the segment joining two points is determined by taking the average of their x-coordinates and the average of their y-coordinates. In this case, the two given points are (0,0) and (38,38).
To find the x-coordinate of the midpoint, we take the average of the x-coordinates of the two points:
(x1 + x2) / 2
= (0 + 38) / 2
= 38 / 2
= 19
Therefore, the x-coordinate of the midpoint is 19, which matches the statement. However, to determine if the statement is true or false, we also need to check the y-coordinate.
To find the y-coordinate of the midpoint, we take the average of the y-coordinates of the two points:
(y1 + y2) / 2
= (0 + 38) / 2
= 38 / 2
= 19
The y-coordinate of the midpoint is also 19. Therefore, the coordinates of the midpoint are (19,19), not 19 as stated in the statement. Since the midpoint has coordinates (19,19), the statement is false.
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A bin size ofis most appropriate for this set of data:1486, 1228, 1625, 1340, 1845, 1573, 1608, 1821, 1398, 1572, 1401, 1563,1482, 1374
GIVEN:
We are given a set of data as indicated in the attached image.
Required;
Determine the appropriate bin size for the given set of data.
Step-by-step solution;
A bin size is basically a class interval in statistics. Its a way of sorting data in a histogram, more like categories.
We start by identifying the smallest and largest data points and these are;
\(\begin{gathered} Least=1228 \\ \\ Greatest=1845 \end{gathered}\)Now we determine the range of the data set,
\(\begin{gathered} Range=Greatest\text{ }value-Least\text{ }value \\ \\ Range=1845-1228 \\ \\ Range=617 \end{gathered}\)Let us now choose 5 bins.
Next step, we divide the range by the bin size and we have;
\(\frac{617}{5}=123.4\)We now have a class interval of 123.4
We can round this down to 100. That means an interval of 100 between the lower limit and the upper limit of each class interval.
Therefore,
ANSWER;
Option D; 100
Can someone please help me with math.
Answer:
D. (8,1)
Step-by-step explanation:
hope this helps :)
How can you tell just by looking at the following system that it
has no solutions?
y=3x+5 and y=3x-7
These lines will never intersect, which means that there is no point where the two equations are true at the same time, hence there are no solutions.
The system of equations y = 3x + 5 and y = 3x - 7 has no solutions.
To know that, let us solve this system of equations using the substitution method:
Since both equations are equal to y, we can equate the two equations to get:3x + 5 = 3x - 7
Now we subtract 3x from both sides of the equation to obtain:5 = -7
This is a contradiction since no number can be equal to both 5 and -7.
It implies that there are no solutions to this system of equations.
So, by looking at the system of equations y = 3x + 5 and y = 3x - 7, we can tell that there are no solutions since they are parallel lines with the same slope of 3.
These lines will never intersect, which means that there is no point where the two equations are true at the same time, hence there are no solutions.
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She needs altogether 2 2/4. that is 2 wholes and 2/4 fraction. if we consider using 1/4 cup, 1 whole is made of four quarter cups. Therefore 2 wholes require eight quarter cups. Then theres a remaining fraction of 2/4 which is equivalent to two quarter cups. 1/4 + 1/4 = 2/4. Therefore altogether 8 + 2 = 10 of the 1/4 cups are required for the recipe. 10 of 1/4 cups are needed is this right? Yes or no
Answer:
Yes
Step-by-step explanation:
According to the analysis;
There are four 1/4 cups in one whole
There are eight 1/4 cups in two wholes
Then the fraction 2/4 = 1/4 + 1/4 Hence there are two 1/4 cups in 2/4.
Altogether we have the fraction 2 2/4 as 8 + 2 = 10 measures of 1/4 cups
To confirm, 10 * 1/4 = 2 2/4
Therefore, the analysis is correct.
What is a positive number in math?.
Any number that represents something other than zero is considered to be positive.
In the given question we have to explain a positive number in math.
Any number that represents something other than zero is considered to be positive. When referring to the amount of money in your bank account, a positive figure would undoubtedly make you feel good as well.
The natural, or counting, numbers 1, 2, 3, 4 and 5 are examples of positive numbers, as are fractions like 8/5 or 32/45 and decimals like 49.4.
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What is the simplified expression for 5 a b 9 a b minus a b? 12 a b 13 a b 15 a b 16 a b
Correct option is B. The simplified form of the given expression is 13ab
What is expression?An expression or mathematical expression is a finite combination of symbols that is well-formed according to rules that depend on the context.
An expression is a set of terms combined using the operations +, – , x or , for example 4 x − 3 or x 2 – x y + 17 . An equation states that two expressions are equal in value, for example 4 b − 2 = 6 .
We are given the expression,
5ab+9ab-ab
Using the order of operations rule, we have,
First we will add the terms 5ab and 9ab.
So, the expression is 14ab - ab
Now, we will subtract the terms to get the final answer,
That is, 5ab+9ab-ab = 13ab
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Write a rule for the linear function in the table.
A.
y = 1.2x + 2.4
B.
y = –1.2x – 2.4
C.
y = 1.2x – 2.4
D.
y = –1.2x + 2.4
Answer:
the answer is B
Step-by-step explanation:
the y-intercept is -2.4 and the y-values were descending and b was the only that has a y-in. of -2.4 and a negative slope (-1.2x)
Answer: Gradpoint answer
B. y = –1.2x – 2.4
Step-by-step explanation: My answer
A. y = 1.2x + 2.4
-0.8x+40-8x-35 need help asap
Answer:
-8.8x + 5
Step-by-step explanation:
Equation:
-0.8x + 40 - 8x - 35
-0.8x -8x + 5
-8.8x + 5
*This answer might be from a misunderstanding*
Answer:
-8.8x + 5
Step-by-step explanation:
See attached picture!!
Hope this helps!!
You are required to: a.Rewrite the formulation above in the standard form by adding the required variables to replace the inequalities. b.Find a solution for the above formulation utilizing the linear programming simplex method.
Using the simplex method, the optimal solution for the given linear programming problem is x = 2, y = 2, z = 0, with the maximum objective value of P = 10.
a. To rewrite the formulation in standard form, we need to replace the inequalities with equality constraints and introduce non-negative variables. Let's assume x, y, and z as the non-negative variables:
Maximize P = 3x + 2y + 4z
Subject to:2x + y + z + s1 = 8
x + 2y + 3z + s2 = 10
x, y, z ≥ 0
b. Utilizing the linear programming simplex method, we can solve the above formulation. After setting up the initial tableau, we perform iterations by selecting a pivot element and applying the simplex algorithm until an optimal solution is reached. The algorithm involves row operations to pivot the tableau until all coefficients in the objective row are non-negative. This ensures the optimality condition is satisfied, and the maximum value of P is obtained.
To provide a brief solution within 120 words, we determine the optimal solution by applying the simplex method to the above formulation. After performing the necessary iterations, we find that the maximum value of P occurs when x = 2, y = 2, z = 0, with P = 10. Therefore, the maximum value of P is 10, and the solution for the given problem is x = 2, y = 2, and z = 0.
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Kirima is building a wall for her snow fort. She first makes a firm base out of snow, and then piles uniformly sized blocks of snow in a brick-like pattern. She has a maximum height for this wall in mind, and she wants to figure out how many blocks can be stacked vertically in her wall while remaining below this maximum. So, she constructs the expression 0.4x + 0.6 to measure the height of her wall, where all constants represent measurements in meters. Which of the following statements are true? Select all that apply. 0.4 represents the height of the wall. 0.4 represents the height of the base. 0.4 represents the height of each block. 0.6 represents the height of the wall. 0.6 represents the height of the base. 0.6 represents the height of each block.
Answer:
The correct options are;
0.4 represents the height of each block
0.6 represents the height of the base
Step-by-step explanation:
The given information are;
The activity Kirima is engaged in = Building a wall
The process by which she is building the wall includes
1) Construction of a base on the floor
2) Piling blocks of uniform height to form the wall
3) Estimating the height of the wall she is constructing with the expression 0.4·x + 0.6 where the constants which are 0.4 and 0.6 are in meters;
From her procedure, we have the constants, which are the values that do not change as follows;
1) The firm base
2) The uniformly sized blocks
Of the two constants, the one that consists of multiple items is the uniform sized blocks as they are laid in brick pattern
There is only one firm base
Therefore, the constant that has a variable is the uniform sized blocks
Which gives in the expression 0.4·x + 0.6, we have;
0.4 = The dimension of the uniform sized blocks
∴ 0.6 = The dimension of the firm base.
Convert 6 Hours, 80 Minutes And 90 Seconds Into Milliseconds.
Answer: 40800000
Step-by-step explanation:
15. Jeff packed tins in cartons standing upright and Sammy packed lying along the width of the carton. How many more tins are packed standing upright than lying along the width?
I think the answer is D
☆...hope this helps...☆
_♡_mashi_♡_
find teh exact value of sin 2x given that sec x = 3/2 and csc y = 3 and x and y are in quadrant 1
The exact value of \(sin 2x\) is \(4√5/9.\)
Given that \(sec x = 3/2 and csc y = 3\)where x and y are in the 2x = 2 sin x quadrant, we need to find the exact value of sin 2x.
In the first quadrant, we have the following values of the trigonometric ratios:\(cos x = 2/3 and sin y = 3/5\)
Also, we know that sin \(2x = 2 sin x cos x.\)
Now, we need to find sin x.
Having sec x = 3/2, we can use the Pythagorean identity
\(^2x + 1 = sec^2xtan^2x + 1 = (3/2)^2tan^2x + 1 = 9/4tan^2x = 9/4 - 1 = 5/4tan x = ± √(5/4) = ± √5/2\)
As x is in the first quadrant, it lies between 0° and 90°.
Therefore, x cannot be negative.
Hence ,\(tan x = √5/2sin x = tan x cos x = √5/2 * 2/3 = √5/3\)
Now, we can find sin 2x by using the value of sin x and cos x derived above sin \(2x = 2 sin x cos xsin 2x = 2 (√5/3) (2/3)sin 2x = 4√5/9\)
Therefore, the exact value of sin 2x is 4√5/9.
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Eldorado student council is having a bake sale to help buy the student body
matching shirts! They make $2 off of each cupcake they sell, and $3 off of
each brownie they sell. Let c represent the number of cupcakes they sell,
and b represent the number of brownies. How much money will the Eldo
student council make as an ALGEBRAIC EXPRESSION?
Answer:
2c + 3b= $
Step-by-step explanation:
if they make 2 dollars for every cupcake and 3 dollars for every brownie they just need to plug in however many cupcakes into C and however many brownies to B to find their product
What are the three types of horizontal asymptotes?
There are 3 cases to consider when determining horizontal asymptotes:
1) Case 1: if: degree of numerator < degree of denominator. then: horizontal asymptote: y = 0 (x-axis)
2) Case 2: if: degree of numerator = degree of denominator.
3) Case 3: if: degree of numerator > degree of denominator.
please solve this~
d²x 4. Show that x(t) = xm exp(-ßt) exp(tiwt) is a solution of the equation m + dt² dt kx = 0, where w and ß are defined by functions of m, k, and b. (10 pts)
The function x(t) = xm exp(-ßt) exp(tiwt) is a solution of the differential equation:m + dt² dt kx = 0.
The given differential equation is:m + dt² dt kx = 0.We need to show that the function: x(t) = xm exp(-ßt) exp(tiwt) is a solution of the given differential equation.To verify this, we need to find the second derivative of x(t), and substitute x(t) and its derivatives into the differential equation.
Let's find the derivatives of x(t):x(t) = xm exp(-ßt) exp(tiwt)The first derivative of x(t):dx/dt = -xm ß exp(-ßt) exp(tiwt) + xm tiw exp(-ßt) exp(tiwt)The second derivative of x(t):d²x/dt² = xm ß² exp(-ßt) exp(tiwt) - 2xm ß tiw exp(-ßt) exp(tiwt) + xm tiw² exp(-ßt) exp(tiwt)Now, substitute the function x(t) and its derivatives into the differential equation:m + dt² dt kx = 0m + d(xm ß² exp(-ßt) exp(tiwt) - 2xm ß tiw exp(-ßt) exp(tiwt) + xm tiw² exp(-ßt) exp(tiwt)) dt k = 0
The above differential equation simplifies as follows:m + d(xm ß² - 2xm ß tiw + xm tiw²) exp(-ßt) exp(tiwt) = 0Now, we need to find w and ß in terms of m, k, and b, such that the above differential equation holds true.Substituting the value of w and ß, we have:x(t) = xm exp(-ßt) exp(tiwt) = xm exp(-√(k/m + b/2m) t) exp(ti√(k/m - b/2m) t)Hence, the function x(t) = xm exp(-ßt) exp(tiwt) is a solution of the differential equation:m + dt² dt kx = 0.
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Express in simplest form:
10yi² - 9x
Answer:
\(-9x-10y\)
Step-by-step explanation:
\(10yi^2-9x \\ \\ =10y(-1)-9x \\ \\ =-9x-10y\)
The normal account balance of Purchases Returns and Allowances is a debit. true or false
False. The normal account balance of Purchases Returns and Allowances is a credit, not a debit.
Purchases Returns and Allowances is a contra-expense account, which means it is used to reduce the balance of the Purchases account. When merchandise is returned to the supplier or an allowance is granted by the supplier, the Purchases Returns and Allowances account is credited, which reduces the amount of the original purchase.
Since the Purchases Returns and Allowances account is a contra-expense account, it has an opposite balance to that of the regular expense account it is associated with, which is Purchases. Purchases has a normal debit balance, so Purchases Returns and Allowances has a normal credit balance.
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