The proportion of the output that is unacceptable is; 0.32
How to use empirical rule of statistics?The empirical rule of statistics is also called the 68 - 95 - 99.7 rule, and it states that states that for normal distributions, 68% of observed data points will lie inside one standard deviation of the mean, 95% will fall within two standard deviations of the mean, and 99.7% will occur within three standard deviations of the mean.
We are told that the target diameter is 50 mm.
Mean; μ = 50 mm
Standard deviation; σ = 0.07 mm
An acceptable diameter is one within the range 49.93 mm to 50.07 mm. Thus;
50 ± x(0.07) = (49.93, 50.07)
Thus;
50 - 0.07x = 49.93
0.07x = 50 - 49.93
x = 0.07/0.07
x = 1
Thus, the proportion that is acceptable is 68% or 0.68.
Proportion unacceptable = 1 - 0.68 = 0.32
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Assume the random variable X is normally distributed with mean μ = 50 and standard deviation σ= 7, Compute the probability. Be sure to draw a normal curve with the area corresponding to the probability shaded. P(X> 37) Click the icon to view a table of areas under the normal curve. Which of the following normal curves corresponds to P(X> 37)? OA. OC. 37 50 37 50 37 50 PX-37)-□ (Round to four decimal places as needed.)
The normal curve that corresponds to P (X > 37) is C, as the shaded area corresponds to the probability of 0.4207.
The normal curve is a bell-shaped curve which is used to represent a continuous probability distribution. It is used to represent the probability of a random variable X, which is normally distributed with mean μ and standard deviation σ. In this case, we have X with mean μ = 50 and standard deviation σ = 7. To compute the probability P(X > 37), we first draw a normal curve with the area corresponding to the probability shaded. Then, we can look up the area from the table of areas under the normal curve. The area corresponds to 0.4207, and the normal curve that corresponds to this probability is C, as the shaded area corresponds to the probability of 0.4207. This normal curve has the mean of 50 and the standard deviation of 7, with the area beyond 37 shaded.
P(X > 37)
= 1 - P(X ≤ 37)
= 1 - 0.4207
= 0.5793
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A line passes through the point (-4,8) and has a slope of -6 .
Write an equation in slope-intercept form for this line.
Answer:
y = (-6)*x - 16
Step-by-step explanation:
The slope-intercept form of a line is given by the equation:
y = mx + b
where m is the slope of the line and b is the y-intercept (the point where the line crosses the y-axis).
In this case, the line passes through the point (-4,8) and has a slope of -6, so we can plug these values into the equation to find the y-intercept:
y = (-6)*x + b
We know that the line passes through the point (-4,8), so we can substitute these values into the equation to solve for b:
8 = (-6)*(-4) + b
8 = 24 + b
b = -16
Therefore, the equation of the line in slope-intercept form is:
y = (-6)*x - 16
Question 14 of 25
Which of the following functions is graphed below?
The function of the line and parabola shown in the graph is x + 6 ≤ 1 and x² + 3 > 1 respectively, so, option A is correct.
What is function?Each element of X receives exactly one element of Y when a function from one set to the other is used. The sets X and Y are collectively referred to as the function's domain and co-domain, respectively.
Given:
The graph of the function,
Calculate the equation of the line which is passing through (-6, 0) and (0, 5) as shown below,
y - 5 = 5 - 0 / 0 - (-6) (x - 0)
y - 5 = 5 / 6 x
6y - 30 = 5x
And the equation of the parabola can be written as,
x² + 3 = 0
From the graph, it can be seen that the solution of the line is where the line graph and parabola graph can meet,
Thus, the line will be x + 6 ≤ 1 and x² + 3 > 1.
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please help me with this
diane will donate up to to charity. the money will be divided between two charities: the city youth fund and the educational growth foundation. diane would like the amount donated to the educational growth foundation to be at least three times the amount donated to the city youth fund. let denote the amount of money (in dollars) donated to the city youth fund. let denote the amount of money (in dollars) donated to the educational growth foundation. shade the region corresponding to all values of and that satisfy these requirements.
The value of x is $53.34 but cannot exceed $115, while the value of y can be as low as $160 but cannot exceed $345.
What is an inequality?Relationships that compare two numbers or other mathematical expressions in an unequal manner are known in mathematics as inequalities. The most common use is to compare the magnitude of two numbers on a number line.
The answer to the query is
Diane will make a charitable donation "up to $460," which indicates it can be less than or equal to 460 but not more. Then,
$460 donated to charity (max)
plus $160 for educational (160 being the minimum)
Education is also stated to be three times (or greater) than City.
If x represents the city and y represents education, then
x + y = 460 . And we are aware that y 3x.
x + 3x = 4x = 460
x = 115.
This implies that she will contribute $345 to Educational when she donates 3 times (or $115) to City. The maximum value is these.
She won't provide more than $460.
Earlier, Educational had a minimal need.
When y = 160,
x equals y/3,
=> x = 160/3 = $53.34. She so gave 213.34 dollars, which is still less than $460.
As a result, x (which is City) might be anywhere between $53.34 and $115.
x, which stands for educational, might be as little as $160 or as high as $345.
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briefly explain why a maclaurin polynomial cannot be created for the function . your answer should only be one or two sentences.
A Maclaurin polynomial can only be created for functions that are infinitely differentiable, and the given function is not infinitely differentiable.
What is Maclaurin polynomial?Maclaurin polynomial is an important type of Taylor series, developed by the Scottish mathematician Colin Maclaurin in the 18th century. It is a special case of the Taylor series, which is used to approximate a function near a given point. Maclaurin polynomials are polynomials that are used to approximate a function near the origin. They are derived from the Taylor series expansion of a function around the zeroth order derivative. The general form of a Maclaurin polynomial is given by ⌊f(x)=∑n=0∞a_nx^n⌋, where a_n is the nth derivative at x=0. Maclaurin polynomials are used to approximate a variety of functions, from simple polynomials to more complicated ones such as trigonometric, exponential, and logarithmic functions. They can also be used to approximate certain integrals and derivatives. Maclaurin polynomials are widely used in mathematics, physics, engineering, and other sciences.
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se the alternating series estimation theorem to estimate the range of values of x for which the given approximation is accurate to within the stated error. check your answer graphically. (round your answers to three decimal places.) |error| < 0.05
The percent of error for the given measured value and the absolute error is equal to 0.392%
As given in the question,
Measurement value is equal to 12.8 inches
Absolute error in the measurement is equal to 0.05
True value is equal to ( Measurement value - absolute error )
= ( 12.8 + 0.05 )
= 12.75
Percent of error is given by
= |True value - Measured value |/ (true value) × 100
= [ | 12.75 - 12.8 |/ 12.75 ] × 100
= 0.392%
Therefore, the percent of error for the given measured value and the absolute error is equal to 0.392%
The given question is incomplete, I answer the question in general according to my knowledge:
A measurement is taken to be 12.8 in. and the absolute error is 0.05 in. What is the percent of error? Round off your answer to 3 decimal places.
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9. (5.NBT.B.7} Adrian ran 8.547 km in 1.5 hours. How many kilometers did Adrian *
run in one hour?
O 5.689 km
O5.869 km
5.698 km
Adrian run in one hour is 5.698 km.
How to calculate speed, Distance and Time ?
To work out speed, divide the distance of the journey by the time it took to travel, so speed = distance divided by time. To calculate time, divide the distance by speed. To get the distance, multiply the speed by time. You may see these equations simplified as s=d/t, where s is speed, d is distance, and t is time.Given,
Adrian ran in 1.5 hours = 8.547 km
We know, in 1.5 hours there is 90 minutes
so, in 1 min adrian ran = 8.547 / 90
= 0.09496 km
We need to find the km in one hour means in 60 minutes
So, Adrian ran in 60 min = 60 * 0.09496
= 5.6979 km or 5.698 km per hour
Hence, Adrian run in one hour is 5.698 km.
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If x + y = x – y, then x – 2y is:
The value of the expression is x
How to evaluate the expressionFrom the question, we have the following parameters that can be used in our computation:
x + y = x - y
x - 2y = ?
Recall that. we have
x + y = x - y
Add y to both sides of the equation
So, we have the following representation
x + 2y = x
Add -2y to both sides of the equation
So, we have the following representation
x = x - 2y
Rewrite as
x - 2y = x
Hence, the solution of x - 2y is x
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please solve variable expression m+8+6n−3
Answer:
You can't solve this unless its is the form of an equation!
Let R = [0,6] [0, 6]. Subdivide each side of R into m =n = 3 subintervals and use the Midpoint Rule to estimate the value f JI.(v 22) dA.
2f(3,1)
To use the midpoint rule to estimate the value of the double integral of a function f(x,y) over the region R=[0,6]x[0,6], we need to divide the region R into a grid of subintervals, with m subintervals in the x-direction and n subintervals in the y-direction. In this case, m=n=3, so we divide each side of the region R into 3 subintervals of equal length.
The midpoint rule states that the approximation of the integral is given by the sum of the areas of the rectangles formed by the subintervals, where the height of each rectangle is given by the value of the function at the midpoint of the subinterval.
To implement the midpoint rule, we first need to determine the width and height of each subinterval. The width of the subintervals in the x-direction is given by (6-0)÷3 = 2, and the width of the subintervals in the y-direction is also given by 2. The height of each rectangle is given by the value of the function f at the midpoint of the subinterval.
We can then evaluate the double integral by summing the areas of the rectangles formed by the subintervals. For example, the first rectangle would have a height equal to the value of the function at (0+2)÷2=1 and a width of 2, so its area would be 2f(1,1). The second rectangle would have a height equal to the value of the function at (2+4)÷2=3 and a width of 2, so its area would be 2f(3,1)
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A family's monthly income is $41360. The family spends 3 over 8 of this on food. How much is spent on food
Answer:
$15,510.00
Step-by-step explanation:
[tex]\frac{3}{8}[/tex] x [tex]\frac{41360}{1}[/tex] = [tex]\frac{124080}{8}[/tex]= 15510
Find a power series representation for the function; find the interval of convergence. (Give your power series representation centered at x = 0.)
f(x)= 1/(1-9x)
sum from n=0 to infinity [?] provided |x| < [?]
The power series representation for the given function is:
1+ 9x + (9x)² + (9x)³ + .... (9x)ⁿ (where 0 ≤ n ≤ ∞).
What is the power series?
Power series is a sum of terms of the general form aₙ(x-a)ⁿ. Whether the series converges or diverges, and the value it converges to, depends on the chosen x-value, which makes power series a function.
Let u = 9x.
Return to the series above and replace each u with a 9x directly:
Where 0 n , 1 + 9x + (9x) 2 + (9x) 3 +.... (9x) n
Here, the interval of convergence is easily found. It follows that
|9x| 1 -1/9 x 1/9 because we know that geometric series must have | u | = 1
Finally, we may leverage the fact that geometric series have a sum to get the sum: S = a / (1 - u).
Here, u = 9x and a = 1
Therefore, the total is simply S = 1 /(1 - 9x).
Any sum can be calculated provided x is between -1/9 and x and less than 1/9.
Hence, The power series representation for the given function is:
1+ 9x + (9x)² + (9x)³ + .... (9x)ⁿ (where 0 ≤ n ≤ ∞).
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[-12 Points) DETAILS SCALCET8 12.3.011. If u is a unit vector, find u v and u. w. (Assume v and w are also unit vectors.) u u v = Uw= 5. [-12 Points] DETAILS SCALCET8 12.3.015. Find the angle between the vectors. (First find an exact expression and then approximate to the nearest degree.) a = (7,2), b = (3,-1) exact approximate 6. [-/2 points) DETAILS SCALCET8 12.3.019. Find the angle between the vectors. (First find an exact expression and then approximate to the nearest degree.) a = 71 - 2j + k, b = 3i - k exact approximate
Details scalcets,
a) If u is unit vector , then, ⃗u.⃗v = 1/2 and ⃗u.⃗w = - 1/2 where v and w also unit vectors.
b) Exact value of angle between the vectors is 34.3803442 and Approximation value, 34.4..
c) Exact value of the angle between the vectors, a = 71 - 2j + k, b = 3i - k is 30.60889766 ~ 30.61 (approximation value).
What is Unit vector ?In mathematics, a unit vector is defined as a normed vector space is a vector of length one.
a) If u is a unit vector , we have to calculate ⃗u.⃗v and ⃗u.⃗w where v and w are also unit vectors.
We know that, Angle between two vectors θ is
Cosθ = u⃗ .⃗v/|u| |v|
=> cos 60° |u| |v| = ⃗u.⃗v
=> ⃗u.⃗v = 1/2(1)(1) = 1/2
Also, Cosθ = ⃗u.⃗v/|u| |w|
=> Cosθ |u| |w| = ⃗u.⃗w
=> ⃗u.⃗w = cos 120° (1)(1)
=> ⃗u.⃗w = -1/2
So, ⃗u.⃗v = 1/2 and ⃗u.⃗w = - 1/2
b) We have, a = (7,2), b = (3,-1)
Cosθ = a.b/|a| |b|
|a| = √(7)²+ (2)² = √49+4 = √53
|b| = √(3)²+ (-1)²= √9+1 = √10
a.b = 7×3 - 2×1 = 21 - 2 = 19
so, Cos θ = 19/√10 (√53) = 19/√530
=> θ = Cos⁻¹( 19/√530)
=> θ = 34.3803442 ~ 34.4
c) We have, a = 7i - 2j + k, b = 3i - k
Cos θ = a.b/|a| |b|
|a| = √(7)² + (-2)² +(1)² = √49+4+1 = √54
|b| = √(3)²+ 0 +(-1)² = √9+1 = √10
a.b = (7i - 2j + k).(3i - k) = 21 -0 - 1 = 20
Cosθ = 20/√10√54 = 20/√540
θ = cos⁻¹(20/√540) = 30.60889766 ~ 30.61
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Determine the area of the shaded region in the following figure.\
y=x
y=x^2-2
The area of the shaded region is 425 cm².
Determine the area of the shaded region ?Let us find the area of the entire figure first and subtract the unshaded region area to find the area of the shaded region.
The given figure is of a square of side 25 cm.
Total area = 25²
=> 625 cm²
The shaded figure inserted is a rhombus.
Apart from this , we can observe four unshaded triangles of equal area.
Area of each individual triangle :
=> ½ × 5 × 20
=> 50 cm²
Area of 4 triangles ;
=> 200 cm²
Remaining area of the shaded figure :
=> 625 - 200
=> 425 cm² .
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a circle of radius 935.62 ft, centered at point a, intersects another circle of radius 959.630 ft, centered at point b. the x and y coordinates (in feet) of a are 553.70 and 1147.86, respectively, and those of b are 1162.93 and 269.83, respectively.
The point of interaction of two circles:
(x-a)²+(y-b)² = ro²
(x-c)²+(y-d)² = r1²
The e point of interaction of the two circles is given by the formulas given below:
D = √(c-a)²+(d-b)²
б = √(D+r0+r2)(D+r0-r2)(D-r0+r2)(-D+r0+r2)
X1,2 = a + c/2 + (c-a)(r0² - r1²)/2D² ± 2 b-d/D²
X1,2 = b + d/2 + (d-b)(r0² - r1²)/2D² ± 2 a-c/D²
r0 = 935.62 ft
r1 = 959.630 ft
a = 553.7
b = 1147.86
c = 1162.93
d = 269.83
First we calculate,
D = √(c-a)²+(d-b)²
= 1980.95 ft
Lets check whether these circles intersect or not:
D<r0+r1 and D> r0-r1
r0+r1 = 2166.57 ft and D = 1980.95 ft -192.51 = 192.51 which is less than D
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PLEASE HELP 40 POINTS PLEASE HELP PLEASE HELP 40 POINTS ASAP
What major change took place in the U.S. economy during the mid-1800s?
A.
Workers began moving to cities to work in factories.
B.
The government began managing the economy.
C.
Americans began buying most products from overseas.
D.
Farming became the most important sector of the economy.
Answer:
A
Step-by-step explanation:
A. This is true and occurred during the industrial revolution
B. The government had not started managing the economy (yet)
C. This was happening even in the 1700s
D. This was also more apparent in the 1700s with the 13 colonies, especially with cash crops such as tobacco.
The local farmers' market usually sells potatoes for $0.90 per pound. on fridays, they sell potatoes at a 30% discount. the market also sells cantaloupes for $3.50 each. which of the following represents the total cost, c , if a customer buys 2 cantaloupes and p pounds of potatoes on a friday?
A. c = 0.63p + 7
B. c = 0.9p + 7
C. c = 0.3p +3.5
D. c = 0.9p + 3.5
If a customer buys 2 cantaloupes and p pounds of potatoes on friday from the local farmers' market, the total cost equation would be A. C = 0.63p + 7.
Equation is a mathematical statement that is made up of two expressions connected by an equal sign. Equation also often contain an algebra. Algebra is used in maths when you do not know the exact number in a calculation.
Based from the question above, we don't know the exact number of potato that the customer bought. We only know that the customer buys p pounds of potatoes.
Potato price = $0.90
on Friday, the potato price is (30% discount)
= 0.90 - (0.90 * 30%)
= $0.63
Since the customer buys for p pounds of potatoes, therefore the total cost of potatoes
= $0.63 * p
= 0.63p
From the question above, we know that the customer buys 2 cantaloupes.
cantaloupes price = $3.50 each
The total cost for cantaloupes
= 2 * $3.50
= $7
Now, let's put it into the total cost equation to find the answer from the multiple choice.
Total cost (c) = 0.63p + 7
Therefore, the answer is A.
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1.
Mateo brought in donuts for his class. Each box had 3 rows of donuts with 5
donuts in each row. He bought 8 boxes. How many donuts did he buy?
answer.
3) Samantha baked 16 chocolate cupcakes for her children. If the cupcakes are shared
equally among four of her children, how many cupcakes will each child get?
cupcakes are shared
equally among four of her children, 4 Cupcakes will each child get
what do you mean by share?
An equity ownership stake in a corporation is represented by a share. Dividends from any earnings the company makes are owed to the shareholders. They also bear the brunt of any losses the business may sustain.
Ordinary shares.
Non-voting shares.
Preference shares.
Redeemable shares.
There are a number of different types of shares including equity shares, preference shares, right shares, bonus shares, sweat equity shares (where companies issue shares at a discount or for consideration) and employees stock options plans.
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2.
At Benny's Café, a mixed-greens salad costs $5.75.
Additional toppings can be added for $0.75 each.
Which function could be used to determine the
cost, c(s), in dollars, of a salad with s additional
toppings?
A.
C.
c(s) = 0.75s +5.75
D.
D. c(s) = 0.75s +5.00
c(s) = 5.75s +0.75 B.
B.
c(s) = 5.00s +0.75
Hamadi and Aisha solve this problem in two different ways.
Carlos paid a total of $64 to rent a car.
The rental company charges a one-time fee of $20, with an additional charge of $0.50
per mile driven.
How many miles did Carlos drive the rental car?
Use the drop-down menus to complete the sentences below.
The number of miles Carlos drove the rental car is 88 miles.
How to find the number of miles Carlos drove?Carlos paid a total of $64 to rent a car. The rental company charges a one-time fee of $20, with an additional charge of $0.50 per mile driven.
Therefore, the number of miles Carlos drive the rental car can be calculated as follows:
Using equation,
let
x = number of miles driven
64 = 20 + 0.50x
subtract 20 from both sides of the equation'
64 - 20 = 20 - 20 + 0.50x
44 = 0.50x
divide both sides by 0.50
Therefore,
44 / 0.50 = 0.50x / 0.50
x = 88
Therefore, the number of miles is 88 miles.
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Two buses are driving along parallel freeways that are 12 mi apart, one heading east and the other heading west. Assuming that each bus drives a constant 58 mph, find the rate at which the distance between the buses is changing when they are 13 mi apart and heading toward each other. (Round to 2 decimal places) a. -44.62 mph b. 44.62 mph c. 22.31 mph d. -22.31 mph
The rate at which the distance between the buses is changing when they are 13 miles apart is -85.25 mph.
Given, two buses are driving along parallel freeways that are 12 miles apart, one heading east and the other heading west.
Assuming that each bus drives a constant 58 mph.
Now, we have to find the rate at which the distance between the buses is changing when they are 13 miles apart and heading towards each other.
Considering distance as a function of time,
D = f(t) = √((12)² + (13 - 116t)²)
f'(t) = (13 - 116t)(-116)/√((12)² + (13 - 116t)²)
f'(0) = (13 - 116(0))(-116)/√((12)² + (13 - 116(0))²)
f'(0) = -1508/√(144 + 169)
f'(0) = -1508/√313
f'(0) = -85.25
So, the rate of distance is decreasing at the rate of 85.25
Hence, the rate of distance is decreasing at the rate of 85.25
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we have a room full of n people. any given pair of people are either friends or strangers. in this room, alex is considered the most popular because he has k friends, and no other person in the room has more than k friends. prove that we can find a group with at least n k 1 people such that no two members of the group are friends.
a group with at least n k 1 people such that no two members of the group are friends,We will prove this statement by inductive hypothesis.
Base Case: If n=k+1, then we can easily find a group with nk1 people such that no two members of the group are friends. We simply select the k+1 people in the room, excluding Alex. Since Alex has k friends, and no other person in the room has more than k friends, it follows that none of these k+1 people are friends.
Inductive Step: Assume that the statement is true for n=k+1. Now we must show that it is true for n=k+2.
We can select a group of k+1 people from the room, again excluding Alex. By the inductive hypothesis, we know that no two members of this group are friends. Now, we select the remaining person in the room, and add them to the group. This person cannot be friends with any of the members of the group, since Alex has k friends and no other person in the room has more than k friends. Therefore, the group we have formed has at least nk1 people, and no two members of the group are friends.
Therefore, by induction, we have proved that we can find a group with at least nk1 people such that no two members of the group are friends.
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use generating functions to find the number of ways to distribute r jelly beans among eight children if
(a) each child gets at least one jelly bean
(B) each child gets an even number of beans
please show all work
With the Application of probability The expression is [ x^r] = C ( r - 1, r - 8 ).
What is probability?
There are four primary categories of probability: axiomatic, axiomatic, classical, and empirical. Probability is the area of mathematics that deals with the possibility of a random event. It is possible to claim that probability is the likelihood that a specific event will occur as the two words are equivalent.
solution:
G(x) = ( x^1 + x^2 + x^3 .....)^8
G(x) = (x( x^1 + x^2 + x^3 .....) )^8
Then using infinite geometric series,
= x^8 ( 1 / ( 1 - x )) ^8
Then using negative binomial series:
So [ x^r] = 0 if r = 0, 1, 2, 3...7 and [ x^r] = C ( r - 1, r - 8 ) if r > 7
Therefore, The expression is [ x^r] = C ( r - 1, r - 8 )
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the cost in millions of dollars for a company to manufacture x thousand automobiles is given by the function C(x)=5x^2-20x+36. find the number of automobiles that must be produced to minimize the cost.
Answer:
7
Step-by-step explanation:
Accounts receivable have been grouped into the following states:
State 1: Paid
State 2: Bad debt
State 3: 0–30 days old
State 4: 31–60 days old
Sixty percent of all new bills are paid before they are 30 days old. The remainder go to state 4. Seventy percent of all 30-day-old bills are paid before they become 60 days old. If not paid, they are permanently classified as bad debts. What is the probability that an account in state 4 will be in bad debt?
0.3
0.12
0.7
0.8
The probability that an account in state 4 will be in bad debt be 0.3
Given, accounts receivable have been grouped into the following states:
State 1: Paid
State 2: Bad debt
State 3: 0–30 days old
State 4: 31–60 days old
Sixty percent of all new bills are paid before they are 30 days old.
The remainder go to state 4.
Seventy percent of all 30-day-old bills are paid before they become 60 days old.
If not paid, they are permanently classified as bad debts.
P(State 1 and State 3) = 0.6
P(State 4) = 0.40
We have to find the P(State 4 and State 2)
P(State 4 and State 2) = P(State 4) + P(State 2) - P(State 4 or State 2)
P(State 4 and State 2) = 0.4 + 0.6 - 0.7
P(State 4 and State 2) = 0.3
So, the required probability be, 0.3
Hence, the required probability be, 0.3
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Question 4 of 10
Which situation best illustrates the concept of absolute advantage?
A. A German factory can build more sports cars than foreign factories.
B. Most of the world's largest companies have operations in many different countries.
C. The total value of Japanese imports is greater than the total value of the country's exports.
D. A French restaurant buys food from nearby farms to support the local economy.
Situation which illustrates best the concept of absolute advantage is: Option A - A German factory can build more sports cars than foreign factories.
Absolute advantage is the potential of an individual, a company, or a country to produce a higher quantity of output than its competitors while using the same inputs. It means an institution with absolute advantage has more efficiency in producing a particular commodity than its rivals. It utilizes lower marginal cost (materials and labor), making its output much cheaper than others.
A factory in German has an absolute advantage because it can produce more sports car than foreign countries. Absolute advantage makes the factory more competitive in the market than its rivals.
Therefore, the correct answer is option A.
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Lines CD and DE are tangent to circle A shown below:
Lines CD and DE are tangent to circle A and intersect at point D. Arc CE measures 126 degrees. Point B lies on circle A.
If Arc CE is 126°, what is the measure of ∠CDE? (4 points)
126°
63°
117°
54°
The measure of ∠CDE is 54°
What is measure ?
When attributes of an item or event are quantified, they can be compared to other objects or events and utilized as a basis for comparison. Determining how big or little a physical quantity is in relation to a fundamental reference quantity of the same kind is the process of measurement, in other words.
A measure is a piece of mathematics that expresses the size of sets in numerical terms. A different method of determining how large a set is is embodied by each unique measure. Initially, it could seem as though a set's cardinality is the only natural way to determine its size.
<CDE = far arc - near arc / 2
i.e
<CDE = arcCBE - arcCE / 2
arcCE = 126°
arcCBE = 360° - 126° = 234°
<CDE = (234° - 126°)/ 2
<CDE = 108 / 2
<CDE = 54°
Therefore the measure of < CDE is 54°
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what is the equation of the line that passes through (6,2) and (8,0)
Answer:
y = -x + 8
Step-by-step explanation:
First find the slope (m):
m = (0-2) / (8-6) = -1
Next put one of the points (I pick (8,0)) into the point-slope formula:
y-y1 = m(x-x1)
y-0 = -1(x-8)
Now write it in slope-intercept form:
y = -x + 8