The equation of the perpendicular line to y = -3x + 4 and passing through (-6, 2) is y = (1/3)x + 4.
What does a perpendicular line look like?
There are a lot of perpendicular lines that we may see in reality. The corners of a chalkboard, a window, the sides of a set square, and the Red Cross symbol are a few examples.
Knowing that the slopes of perpendicular lines are the negative reciprocals of one another is necessary to determine the equation of a line perpendicular to a given line.
The given line has a slope of -3, so the slope of a line perpendicular to it would be the negative reciprocal of -3, which is 1/3.
We also know that the line passes through the point (-6, 2).
The equation of the line passing through (-6, 2) and perpendicular to y = -3x + 4 can be found using the point-slope form of a line:
y - 2 = (1/3)(x + 6)
Simplifying this equation, we get:
y = (1/3)x + 4
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Justin, Cam, and Ben are playing a board game where exactly one player will win. Ben estimates that Justin has a
20
%
20%20, percent chance of winning each game and that Cam has a
50
%
50%50, percent chance of winning each game.
Based on the information provided, the probability that Ben wins the board game is 30%.
What is the probability for Ben to win the board game?To calculate the probability of Ben winning the board game, let's start by checking the information provided:
Probability for Justin to win: 20% or 0.2
Probability for Cam to win: 50% or 0.5
Now, the total probability is always equivalent to 100% or 0.1. Based on this, let's calculate now the probability that Ben wins the game.
1 - (0.2 + 0.5)
1 - 0.7 = 0.3
Note: Here is the complete question:
Justin, Cam, and Ben are playing a board game where exactly one player will win. Ben estimates that Justin has a %20 percent chance of winning each game and that Cam has a %50 percent chance of winning each game. What is the probability that Ben will win the board game?
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Marcia drew a plan for a rectangular piece of material that she will use for a blanket. Three of the vertices are (-1.3, -3.5), (-1.3, 1.4), and (3.9,1.4) . What are the coordinates of the fourth vertex?
The coordinates of the fourth vertex is (3.9, 6.3,0).To find the coordinates of the fourth vertex, we can use the fact that opposite sides of a rectangle are parallel and equal in length.
We can find the length and slope of one side of the rectangle and then use that information to find the coordinates of the fourth vertex.
Let's start by finding the length and slope of the side connecting (-1.3, -3.5) and (-1.3, 1.4). The length of this side is the difference between the y-coordinates, which is:
1.4 - (-3.5) = 4.9
Since this side is vertical, its slope is undefined.
Next, let's find the length and slope of the side connecting (-1.3, 1.4) and (3.9, 1.4). The length of this side is the difference between the x-coordinates, which is:
3.9 - (-1.3) = 5.2
Since this side is horizontal, its slope is 0.
Since opposite sides of a rectangle are equal in length, the length of the side connecting (-1.3, 1.4) and (3.9, 1.4) must also be 4.9. We can use this length to find the y-coordinate of the fourth vertex, which is:
1.4 + 4.9 = 6.3
Now we know that the fourth vertex has coordinates (x, 6.3). To find the x-coordinate, we can use the length of the vertical side connecting (-1.3, -3.5) and (-1.3, 1.4), which is also 5.2. The x-coordinate of the fourth vertex is:
-1.3 + 5.2 = 3.9
Therefore, the coordinates of the fourth vertex are (3.9, 6.3,0).
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Yesterday, of the coffee shop's customers ordered flavored coffee. of the
orders were for chocolate flavored coffee. What part of the coffee shop's
customers ordered chocolate flavored coffee?
67
56
14
Determine the vector equation of each of the following planes.
b) the plane containing the two intersecting lines r= (4,7,3) + t(2,4,3) and r= (-1,-4,6) + s(-1,-1,3)
To find the vector equation of the plane containing the two intersecting lines, we can first find the normal vector of the plane by taking the cross product of the direction vectors of the two lines. The normal vector will be orthogonal to both direction vectors and thus will be parallel to the plane.
Direction vector of the first line: (2, 4, 3)
Direction vector of the second line: (-1, -1, 3)
Taking the cross product of these two vectors, we get:
(2, 4, 3) x (-1, -1, 3) = (9, -3, -6)
This vector is orthogonal to both direction vectors and thus is parallel to the plane. To find the vector equation of the plane, we can use the point-normal form of the equation, which is:
N · (r - P) = 0
where N is the normal vector, r is a point on the plane, and P is a known point on the plane. We can choose either of the two given points on the intersecting lines as the point P.
Let's use the point (4, 7, 3) on the first line as the point P. Then the vector equation of the plane is:
(9, -3, -6) · (r - (4, 7, 3)) = 0
Expanding and simplifying, we get:
9(x - 4) - 3(y - 7) - 6(z - 3) = 0
Simplifying further, we get:
9x - 3y - 6z = 0
Dividing by 3, we get:
3x - y - 2z = 0
Therefore, the vector equation of the plane containing the two intersecting lines is:
(3, -1, -2) · (r - (4, 7, 3)) = 0
or equivalently,
3x - y - 2z = 0.
How go i get the probability
The probability that we want to get is 0.167
How to find the probability?To get this probability, we need to take the quotient between the number of students that preffers athletics and literature and the total number of students in the table.
We have:
Total number = 5 + 3 + 2 +8 = 18
number that preffers athletics and literature = 3
Then the probability is:
P = 3/18 = 0.167
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A garden bed is 4’ by 3’ and a 6’ layer of soil will be spread over the garden. A bag of soil contains 2ft3 of soil how many bags r needed
36 bags of soil are required to spread a 6 feet layer over a garden bed that is 4 feet by 3 feet.
How many bags of soil are required to spread a 4 feet layer over the garden bed?Given information:
The garden bed has a length of 4 feet.
The garden bed has a width of 3 feet.
The layer of soil to be spread over the garden bed is 6 feet.
One bag of soil contains 2 cubic feet of soil.
To find the number of bags of soil required to spread a 6 feet layer over the garden bed, we need to calculate the volume of soil needed and then divide it by the volume of each bag of soil.
The volume of soil needed can be calculated by multiplying the length, width, and height (depth) of the soil:
Volume = length x width x depth
Volume = 4 feet x 3 feet x 6 feet
Volume = 72 cubic feet
This means we need a total of 72 cubic feet of soil to spread a 6 feet layer over the garden bed.
Next, we need to determine the number of bags of soil required. Since each bag contains 2 cubic feet of soil, we can divide the total volume of soil needed by the volume of each bag to get the number of bags required:
Number of bags = Volume of soil needed / Volume of each bag
Number of bags = 72 cubic feet / 2 cubic feet per bag
Number of bags = 36 bags
Therefore, 36 bags of soil are required to spread a 6 feet layer over a garden bed that is 4 feet by 3 feet.
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If the smith children are served randomly how likely is it that the two oldest smith children are served before the others ?
The probability of the two oldest Smith children being served first is 2/4 or 50%.
How likely is it for the two oldest Smith children to be served first?Assuming that all the children have an equal chance of being served first, there are a total of 4 possibilities for the order in which the two oldest Smith children can be served:
Oldest served first, followed by second oldestSecond oldest served first, followed by oldestOldest served first, followed by one of the younger children, then second oldestSecond oldest served first, followed by one of the younger children, then oldestOut of these 4 possibilities, only the first 2 would satisfy the condition that the two oldest Smith children are served before the others. So the probability that the two oldest Smith children are served first is 2/4 or 50%.
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Each theme park charges an entrance fee plus an additional fee per ride. Write a function for each park. (3 points)
a) write a function rule for Big Wave Waterpark
b) write a function rule for Coaster City
c) write a function rule for Virtual Reality Lan
Answer:
a)
[tex]m = \frac{15 - 10}{4 - 2} = \frac{5}{2} [/tex]
[tex]10 = \frac{5}{2} (2) + b[/tex]
[tex]10 = 5 + b[/tex]
[tex]b = 5[/tex]
[tex]y = \frac{5}{2}x + 5[/tex]
b) The function is already given.
c)
[tex]m = \frac{100 - 40}{30 - 10} = \frac{60}{20} = 3 [/tex]
[tex]100 = 3 (30) + b[/tex]
[tex]100 = 90 + b[/tex]
[tex]b = 10[/tex]
[tex] y = 3x + 10[/tex]
simple interest earned for principal of $2000 at and 8% rate for 5 years
Simple Interest is equal to ($800) (2000 x 8 x 5) / 100. The simple interest earned is therefore $800.
What is interest?The measure of cash returned or earned over a set period of time on a principal sum of money is referred to as interest. It is frequently stated as a share of the principal sum and it may be either simple or complicated. Compounding interest is computed on the principal amount as well as any accrued but unpaid interest, whereas simple interest is assessed just on the principal amount. Loans, investments, and bank deposits frequently include interest.
given
We can use the following calculation to determine the simple interest received for a $2000 principal at an 8% rate over a 5-year period:
S.I = (Principal x Rate x Time)/100
In this instance, Principal is $2000, Rate is 8% annually, and Term is 5 years.
With these values entered into the formula, we obtain:
Simple Interest is equal to ($800) (2000 x 8 x 5) / 100. The simple interest earned is therefore $800.
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Probability and likelihood
a team of scientists is studying the animals at a nature reserve. They capture the animals, mark them so they can identify each animal, and then release them back into the park. The table gives the number of animals they’ve identified. Use this information to complete the two tasks that follow.
animal total in park number marked
elk 5,625 225
wolf 928 232
cougar 865 173
bear 1,940 679
mountain goat 328 164
deer 350 105
moose 215 86
part a
what is the probability of the next elk caught in the park being unmarked? write the probability as a fraction, a decimal number, and a percentage.
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part b
describe the likelihood of the next elk caught being unmarked.
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part c
describe a simulation that you can use to model this situation.
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part d
what is the probability of the next wolf caught in the park being unmarked? write the probability as a fraction, a decimal number, and a percentage.
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characters used: 54 / 15000
part e
describe the likelihood of the next wolf caught being unmarked.
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part f
describe a simulation that you can use to model this situation. The simulation should be different from the one in part c.
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part g
in the unit, you found the probability of a compound event by identifying the sample space. However, it is also possible to find the probability of a compound event without finding the sample space. To do this, multiply the probability of the first event by the probability of the second event. For example, the probability of flipping heads twice on a coin is. Using this idea, what is the probability that the next cougar and bear caught will both be unmarked?
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part h
describe the likelihood that the next cougar and bear caught are both unmarked.
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part i
describe a simulation that you can use to model this event.
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part j
using the method described in part g, what is the probability that the next mountain goat, deer, and moose caught are all unmarked?
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part k
describe the likelihood that the next mountain goat, deer, and moose caught are all unmarked.
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part l
describe a simulation that you can use to model this event. Your simulation should be different from the one in part i.
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Part g, h, i, j, k, and l:
Since the information for the other parts is not provided, it is not possible to calculate the probabilities, describe the likelihood, or propose simulations for those events.
Part a:
To find the probability of the next elk caught in the park being unmarked, we need to calculate the ratio of unmarked elks to the total number of elks.
Total number of elks: 5,625
Number of marked elks: 225
Number of unmarked elks: Total number of elks - Number of marked elks = 5,625 - 225 = 5,400
Probability = Number of unmarked elks / Total number of elks = 5,400 / 5,625
As a fraction: 5,400/5,625
As a decimal: 0.96
As a percentage: 96%
Part b:
The likelihood of the next elk caught being unmarked is high, as 96% of the elks captured so far have been unmarked.
Part c:
One possible simulation to model this situation is as follows:
Create a sample space consisting of 5,625 elks.
Randomly select an elk from the sample space.
Determine if the elk is marked or unmarked.
Repeat steps 2 and 3 for a desired number of simulations to observe the distribution of marked and unmarked elks.
Part d:
To find the probability of the next wolf caught in the park being unmarked, we need to calculate the ratio of unmarked wolves to the total number of wolves.
Total number of wolves: 928
Number of marked wolves: 232
Number of unmarked wolves: Total number of wolves - Number of marked wolves = 928 - 232 = 696
Probability = Number of unmarked wolves / Total number of wolves = 696 / 928
As a fraction: 696/928
As a decimal: 0.75
As a percentage: 75%
Part e:
The likelihood of the next wolf caught being unmarked is high, as 75% of the wolves captured so far have been unmarked.
Part f:
One possible simulation to model this situation is as follows:
Create a sample space consisting of 928 wolves.
Randomly select a wolf from the sample space.
Determine if the wolf is marked or unmarked.
Repeat steps 2 and 3 for a desired number of simulations to observe the distribution of marked and unmarked wolves.
Part g, h, i, j, k, and l:
Since the information for the other parts is not provided, it is not possible to calculate the probabilities, describe the likelihood, or propose simulations for those events.
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1. Paula has x cups of food in a container to feed her dogs. She pours 1. 5 cups of food into their bowls. There is now 5. 25 cups left in the container. Which equation would be used to solve this problem?
a. 1. 5 - x = 5. 25
b. 5. 25 - x = 1. 25
c. X - 1. 5= 5. 25
d. X + 1. 5= 5. 25
2. A box of donuts cost $9. You want to send donuts to the local nursing home. Set up an equation to find how many boxes you can send if you have $72.
a. 72 = 9 + b
b. 72 = 9 - b
c. 72 = 9b
d. 72 = 9/b
3. Jordan is purchasing a board to build a bookcase. He wants to divide the board into 1. 75 foot sections and he needs 6 sections. Which equation can be used to solve this problem?
a. B/1. 75 = 6
b. 1. 75b = 6
c. B - 1. 75 = 6
d. B + 1. 75 = 6
The correct option for each individual question is c. X - 1. 5= 5. 25, c. 72 = 9b and B/1.75 = 6.
1. Total food = poured food + remaining food
Keep the values in formula
x = 1.5 + 5.25
Rearranging the equation
x - 1.5 = 5.25
Thus, correct option is c. X - 1. 5= 5. 25
2. Cost of one box × number of boxes = total cost
9 × number of boxes = 72
Let us represent the number of boxes as b. So,
9b = 72
Hence, correct option is c. 72 = 9b.
3. Length of each section × number of sections = total length of bookcase sections
Let us represent total length of bookcase sections as B
1.75 × 6 = B
Rearranging the equation
B/1.75 = 6
So, the correct option is a. B/1. 75 = 6.
Thus, correct option are c. X - 1. 5= 5. 25, c. 72 = 9b and B/1.75 = 6.
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HELP ME UNDERSTAND THIS
The estimated areas of each curve are listed below:
Case 1: A = 12.75
Case 2: A = 12.5
How to estimate the area of the function by use of rectangles and triangles
In this problem we must estimate the area above the x-axis and under a curve by using sums of rectangles and triangles according to the following expression:
A = {∑ [MIN (f(xₙ₋₁), f(xₙ))] + 0.5 · ∑ [MAX (f(xₙ₋₁), f(xₙ)) - MIN (f(xₙ₋₁), f(xₙ))]} · Δx, for n = {1, 2, 3, ..., N}
Where:
A - AreaN - Number of blocks.Case 1
A = (3.5 + 3.5 + 1.5) · 1 + 0.5 · (3.5 + 0.75 + 0.75 + 2 + 1.5) · 1
A = 8.5 + 0.5 · 8.5
A = 12.75
Case 2
A = (1 + 3 + 4) · 1 + 0.5 · (1 + 2 + 1.5 + 0.5 + 4) · 1
A = 8 + 4.5
A = 12.5
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-7 + 4c = 7c + 6 --------
In the given equation, -7 + 4c = 7c + 6, the solution is c = -13/3
Solving linear equationsFrom the question, we are to solve the one-variable linear equation
From the given information,
The given equation is
-7 + 4c = 7c + 6
To solve the equation, we will determine the value of c
Solving the equation
-7 + 4c = 7c + 6
Subtract 4c from both sides of the equation
-7 + 4c - 4c = 7c - 4c + 6
-7 = = 3c + 6
Subtract 6 from both sides of the equation
-7 - 6 = 3c + 6 - 6
-13 = 3c
This can be wroitten as
3c = -13
Divide both sides by 3
3c/3 = -13/3
c = -13/3
Hence, the value of c is -13/3
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A circle in the xy-coordinate plane has the equation
�
2
+
�
2
+
6
�
−
4
=
0
x
2
+y
2
+6y−4=0 . If the equation of the circle in written in the form
�
2
+
(
�
+
�
)
2
=
�
x
2
+(y+k)
2
=c , where k and c are constants, what is the value of k?
Answer:
Given the equation of the circle in the xy-coordinate plane as x^2 + y^2 + 6x - 4 = 0, we need to rewrite it in the form (x-h)^2 + (y-k)^2 = r^2, where (h,k) is the center of the circle and r is the radius.
Completing the square for x^2 + 6x, we get (x+3)^2 - 9. Thus, the equation becomes (x+3)^2 + y^2 - 9 = 4. Rearranging, we get (x+3)^2 + y^2 = 13.
Comparing with the required form, we get (x-h)^2 + (y-k)^2 = r^2, where h = -3, k = 0 and r^2 = 13. Thus, the value of k is 0.
Michael had 8/9 of a spool of yarn. He used 2/5 of his yarn for a project. What fraction of the spool was used for the project?
Answer:16/45 of his yarn
Step-by-step explanation:
8/9 x 2/5 = 16/45
Approximate, in square meters, the area of a circle with diameter equal to
5/6
meters. Leave your answer in fraction form. (Use
22/7 to approximate. )
The area of the circle is (121/144)π square meters.
We know that the formula for the area of a circle is A = πr², where r is the radius of the circle. However, we are given the diameter of the circle, which is 5/6 meters.
The diameter of a circle is twice the radius, so we can find the radius by dividing the diameter by 2:
radius = (5/6) / 2 = 5/12 meters.
Now that we have the radius, we can use the formula for the area of a circle:
A = πr² = π(5/12)².
To approximate this using 22/7, we first simplify (5/12)²:
(5/12)² = 25/144.
Substituting this value into the formula, we get:
A = π(25/144) = (25/144)π.
Therefore, the area of the circle is (25/144)π square meters. To get an approximation, we can use 22/7 approximate π:
A ≈ (25/144) × (22/7) = 121/144 square meters.
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please i need answer to this Asap. Only question A, B, C, E . With solution Asap
Answer:
Solve for these and you'll find it! :D (Surface Area for all)
The answer is:
A: 6(12)^2 (it's a cube)
B: 2(6.4 x 15.2 + 15.2 x 10.5 + 6.4 x 10.5) (it's a rectangular prism)
C: 6(3x - 1)^2 (it's a cube)
D: 2(pi)(radius)(height) + 2(pi)(radius^2) (it's a cylinder)
Gas prices are on the rise this summer as more Americans travel, Prices have increased by 40% from last summer's price, which averaged $2. 26 per gallon. Jonah's mom's car takes 14 1/2 gallons of gas to fill up. Find the cost that Jonah's mom would have to spend after the 40% increase in gas prices if she fills up her tank the entire 14 1/2 gallons.
Jonah's mom's would have to spend $45.878 to fill up her tank after the 40% increase in gas prices if her car takes 14 1/2 gallons of gas to fill up.
To find the cost that Jonah's mom would have to spend after the 40% increase in gas prices to fill up her 14 1/2 gallon tank, we need to follow these steps:
1. Find the increased price per gallon by multiplying last summer's price ($2.26) by 1.40 (since there's a 40% increase): $2.26 x 1.40 = $3.164 per gallon.
2. Convert 14 1/2 gallons to a decimal: 14.5 gallons.
3. Multiply the increased price per gallon ($3.164) by the number of gallons needed to fill up the tank (14.5 gallons): $3.164 x 14.5 = $45.878.
So, after the 40% increase in gas prices, Jonah's mom would have to spend $45.878 to fill up her 14 1/2 gallon tank.
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Graph the line that represents a proportional relationship between ddd and ttt with the property that an increase of 333 units in ttt corresponds to an increase of 444 units in ddd.
What is the unit rate of change of ddd with respect to ttt? (That is, a change of 111 unit in ttt will correspond to a change of how many units in ddd?)
The unit rate is
.
Graph the relationship.
The unit rate of change of ddd with respect to ttt is 4/3.
To graph the proportional relationship between ddd and ttt, we first need to find the unit rate of change. Since an increase of 333 units in ttt corresponds to an increase of 444 units in ddd, we can calculate the unit rate as follows:
Unit Rate = (Change in ddd) / (Change in ttt) = 444 / 333 = 4/3
So, a change of 1 unit in ttt corresponds to a change of 4/3 units in ddd.
Now, let's graph the relationship. The equation representing this proportional relationship is:
ddd = (4/3)ttt
This is a linear relationship with a slope of 4/3 and passes through the origin (0,0). To plot the graph, start at the origin and use the slope to plot additional points, such as:
- For ttt = 3, ddd = 4 (since 4/3 * 3 = 4)
- For ttt = 6, ddd = 8 (since 4/3 * 6 = 8)
Plot these points and draw a straight line through them, representing the proportional relationship between ddd and ttt. The unit rate of change of ddd with respect to ttt is 4/3.
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Write a derivative formula for the function.
f(x) = 2x√7x+8 + 96
The derivative formula of the given function f(x) is:
f'(x) = 2√(7x+8) + 7x/(√(7x+8))
This formula gives the value of the derivative of the function f(x) for any value of x.
How we find derivative?The derivative of f(x) using the product rule and chain rule:
f'(x) = 2√(7x+8) + 2x(1/2)(7x+8)^(-1/2)(7)
f'(x) = 2√(7x+8) + 7x/(√(7x+8))
Simplify the derivative
The derivative of the function f(x) is given by f'(x) = 2√(7x+8) + 7x/(√(7x+8))
In this formula, the first term represents the derivative of the function 2x√(7x+8) using the chain rule, and the second term represents the derivative of the function 96, which is a constant and has a derivative of zero.
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(1 point) Use Lagrange multipliers to find the minimum value of the function f(x,y) = 2 + y subject to the constraint xy=5 Minimum:
function f(x,y) = 2 + y
The minimum value are f(√5, √5) = 2 + √5.
Lagrange multipliers:To find the minimum value of the function f(x,y) = 2 + y subject to the constraint xy=5 using Lagrange multipliers,
we first set up the Lagrangian function:
L(x,y,λ) = f(x,y) - λ(xy - 5)
Taking partial derivatives with respect to x, y, and λ, we get:
∂L/∂x = 0 = -λy
∂L/∂y = 1 - λx
∂L/∂λ = xy - 5
Solving for λ from the first equation and substituting into the second equation, we get:
x/y = 0/λ
1 - λx = 0
xy - 5 = 0
From the first equation, we see that either x = 0 or y = 0. But since xy = 5, neither x nor y can be zero.
Therefore, we have:
λ = 0
1 - λx = 0
xy - 5 = 0
Solving for x and y from the last two equations, we get:
x = 5/y
y = ±√5
We take the positive root for y since we are looking for a minimum value of the function.
Substituting y = √5 into x = 5/y, we get x = √5.
Therefore, the minimum value of f(x,y) = 2 + y subject to the constraint xy=5 is:
f(√5, √5) = 2 + √5.
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Graph the following system of equations.
x + 2y = 6
2x + 4y = 12
What is the solution to the system?
There is no solution.
There is one unique solution, (6, 0).
There is one unique solution, (0, 3).
There are infinitely many solutions.
The solution to the system of equations shown above is: D. there are infinitely many solutions.
How to graphically solve this system of equations?In order to determine the solution for this system of linear equations on a coordinate plane, we would make use of an online graphing calculator to plot the given system of linear equations while taking note of the point of intersection;
x + 2y = 6 ......equation 1.
2x + 4y = 12 ......equation 2.
Based on the graph shown (see attachment), we can logically deduce that the solution for this system of linear equations is the point of intersection of each lines on the graph that represents them, which is given by multiple ordered pairs and as such, it has more than one solution or infinitely many solutions because the lines coincide.
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In the preceding question you found that tan(3/4). To the nearest degree, measure angle B
The measure of angle B, rounded to the nearest degree, is 37 degrees.
How to find the measure of angle B when tan(B) is equal to 3/4?In trigonometry, the tangent function (tan) relates the ratio of the length of the side opposite an angle to the length of the side adjacent to that angle in a right triangle.
To find the measure of angle B, we use the inverse tangent function (arctan) with the given tangent value of 3/4:
B = arctan(3/4)
Using a calculator or a trigonometric table, we find that arctan(3/4) is approximately 36.87 degrees. Round the result to the nearest degree to obtain the final measure of angle B.
Therefore, the measure of angle B, rounded to the nearest degree, is 37 degrees.
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Is Y= 4x^3+6....
A. Linear
B. Nonlinear
C. Both
D. Neither
Answer:
The given equation Y=4x^3+6 is a nonlinear equation because it contains a term with a power of 3, which means that the relationship between Y and x is not linear. In a linear equation, the power of the variable is always 1. Therefore, the answer is B. Nonlinear.
Step-by-step explanation:
Find a formula for the slope of the graph of fat the point (x, f(x)). Then use it to find the slope at the two given points.
a. The formula for the slope at (x, f(x)) is f'(x) = -2x
b. The slope at (0, 8) is 0
c. the slope at (-1, 7) is 2
What is the slope of a graph?The slope of a graph is the gradient of the graph.
Given the graph f(x) = 8 - x² to find the formula for the slope of the graph, we proceeed as follow.
a. To find the formula for the slope of the graph, we know thta the slope of the graph is the derivative of the graph. So, taking the derivative of the graph, we have that
f(x) = 8 - x²
df(x)/dx = d(8 - x²)/dx
= d8/dx - dx²/dx
= 0 - 2x
= -2x
So, the formula for the slope at (x, f(x) is f'(x) = -2x
b. To find the slope at (0, 8), substituting x = 0 into the equation for the slope, we have that
f'(x) = -2x
f'(0) = -2(0)
= 0
So, the slope at (0, 8) is 0
c. To find the slope at (-1, 7), substituting x = -1 into the equation for the slope, we have that
f'(x) = -2x
f'(0) = -2(-1)
= 2
So, the slope at (-1, 7) is 2
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Select the correct answer from each drop-down menu. hemoglobin level age less than 25 years 25–35 years above 35 years total less than 9 21 32 76 129 between 9 and 11 49 52 46 147 above 11 69 44 40 153 total 139 128 162 429 based on the data in the two-way table, the probability of being 25-35 years and having a hemoglobin level above 11 is . the probability of having a hemoglobin level above 11 is . being 25-35 years and having a hemoglobin level above 11 dependent on each other.
The probability of being 25-35 years and having a hemoglobin level above 11 is 0.102. The probability of having a hemoglobin level above 11 is 0.356. Being 25-35 years and having a hemoglobin level above 11 are dependent on each other.
From the two-way table, the total number of individuals who have a hemoglobin level above 11 is 153+44+40=237. The probability of having a hemoglobin level above 11 is the total number of individuals with hemoglobin level above 11 divided by the total number of individuals, which is 237/429=0.356.
The number of individuals who are between 25-35 years and have a hemoglobin level above 11 is 44. The probability of being 25-35 years and having a hemoglobin level above 11 is the number of individuals who are between 25-35 years and have a hemoglobin level above 11 divided by the total number of individuals, which is 44/429=0.102.
Being 25-35 years and having a hemoglobin level above 11 are dependent on each other because the probability of having a hemoglobin level above 11 changes based on the age group.
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Josh lit a 14-inch candle. She noticed that it was getting an inch shorter every 30 minutes. Let x be the number of hours and y be the total height of the candle
The height of the candle after x hours is given by the equation y = 2x + 14.
Let's first convert the time interval to hours. There are 60 minutes in an hour, so 30 minutes is equivalent to 0.5 hours.
After x hours, the candle will have burned down by 2x inches (since it burns 1 inch every 0.5 hours).
If y is the total height of the candle, then we can write the equation:
y - 2x = 14
We can solve for y:
y = 2x + 14
So the height of the candle after x hours is given by the equation y = 2x + 14.
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Information into an equation and solve the
equation
The sum of a number n and 11 is equal to 25. Find the number n
The resultant equation is n + 11 = 25 and the number n is 14.
Algebraic equation:
An algebraic equation is a mathematical statement that equates two expressions using one or more variables. Solving a single variable equation can be done by adding or subtracting the same integer on both sides. Similarly multiplying or dividing by the same integer.
The information we have
The sum of a number n and 11 is equal to 25.
The statement can represent an equation and solve for n as follows
Here sum of two numbers indicates adding
Hence, n + 11 = 25
To solve for n, isolate n on one side of the equation.
This can be done by subtracting 11 from both sides of the equation:
=> n + 11 - 11 = 25 - 11
=> n = 14
Therefore,
The resultant equation is n + 11 = 25 and the number n is 14.
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Y’all pls help this is due tmrwww
Step-by-step explanation:
1kL = 100 dal
x = 470 dal .... you will criss cross it
1 kl × 470 dal = x ×100dal
470 dal kl = 100dal x ... then you will divide 100 dal from both side
4.7 kl = x
x = 4.7 kl
so our result is 4.7kl which is equal to 470 dal
Step-by-step explanation:
470 dal = 4.7 kl
because 1 kl = 100 dal
[tex] \frac{1}{x} = \frac{100}{470} \\ \\ 100x = 470 \\ x = \frac{470}{100} \\ x = 4.7[/tex]
#CMIIWPara el periódico mural, los alumnos decidieron representar un pino por medio de un triángulo que tiene una superficie de 1. 5m si la base mide 1. 5 m ¿cuanto mide la altura? 
La fórmula para calcular el área de un triángulo es:
área = base * altura / 2
Podemos despejar la altura de esta fórmula y sustituir los valores que conocemos:
área * 2 / base = altura
1.5 * 2 / 1.5 = 2
Por lo tanto, la altura del triángulo es de 2 metros.