A helicopter landing zone should have dimensions of 100 feet by 100 feet. Option C is the right answer.
The ideal proportions for a helicopter landing zone are determined by various factors, including the aircraft's size and the environment. The minimum suggested size for a helicopter landing zone is 60 feet by 60 feet, with no impediments within a 20:1 approach/departure ratio.
The suggested dimensions for bigger helicopters, such as those utilized for medical evacuations or military purposes, are 100 feet by 100 feet or greater. It is critical to consider the topography as well as any potential barriers or risks while choosing a landing zone.
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When converting 8 fluid ounces to pints, will the number of pints be greater than
or less than 8?
After converting 8 fluid ounces to pints, the number of pints will be greater than 8.
To convert fluid ounces to pints, we need to use the conversion factor of 1 pint equals 16 fluid ounces. So, to convert 8 fluid ounces to pints, we can divide 8 by 16.
8 fluid ounces / 16 fluid ounces per pint = 0.5 pints
Therefore, 8 fluid ounces is equal to 0.5 pints.
We can see that the number of pints is less than 8. This is because 8 fluid ounces is only half of a pint, since there are 16 fluid ounces in one pint. When we divide 8 by 16, we get 0.5, which means that 8 fluid ounces is equivalent to half of a pint.
The conversion factors when making conversions between units. In this case, we used the conversion factor of 16 fluid ounces per pint to convert from fluid ounces to pints. By using this conversion factor, we were able to determine that 8 fluid ounces is equivalent to 0.5 pints.
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If a 12-year-old boy is 1/3 as old as his father, how old will the father be when his son is 24?
If a boy having age as 12 years is "1/3" as old as his father, then his father will be 72 years when his son is 24.
We know that, the 12-year-old boy is 1/3 as old as his father,
So, we write an equation to express this relationship:
⇒ 12 = (1/3)F, where F = age of father.
On simplifying,
We get,
⇒ 36 = F,
So, the father's current-age is = 36 years old.
We have to find how the age of father when his son is 24.
So, 24 = (1/3)F,
On simplifying,
We get,
⇒ 72 = F
Therefore, father will be 72 years old when his son is 24.
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pls pls help due in 20 minutes
Answer: A
Step-by-step explanation: The rate of change is constant, increasing by 10/3 each time, so the function is linear.
Ayudaaaaaa please……………….
Answer:
Step-by-step explanation:
1. When do you eat dinner?
2. When do you get ready for school?
3. When do you brush your teeth?
4. When do you go to school?
5. When do you say your prayers?
6. When do you go to bed?
7. When do you eat lunch?
8. When do you see your dad?
9. When do you drive home from work?
10. When do you eat breakfast?
1. What time does school start?
2. What time is lunch at schoo?
3. What time does school end?
4. What time does your dad come home from work?
5. What time does your favorite show start
6. What time is it now?
7. What time is your bedtime?
8. What time does your plane leave?
9. What time do you wake up?
10. What time does your soccer game start?
Question 1(Multiple Choice Worth 2 points)
(Scale Factor MC)
A triangle with a perimeter of 24 meters was created from a triangle with a perimeter of 3 meters using a scale factor. What is the scale factor?
8:1
28:1
32:1
72:1
The scale factor of the triangle is 4:1.
We have,
The ratio of the perimeters of two similar triangles is equal to the ratio of their corresponding sides.
Let's call the scale factor "k", and the length of one side of the original triangle "x".
Then, the length of the corresponding side in the new triangle is kx.
The problem tells us that the perimeters of the two triangles are in the ratio 24:3, or 8:1.
Therefore, we have:
24/3 = (kx + kx + x)/(x + x + x)
Simplifying the left side of the equation, we get:
8 = 2k
Dividing both sides by 2, we get:
k = 4
Therefore,
The scale factor is 4:1.
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The probability is 0.45 that a traffic fatality involves an intoxicated or alcohol-impaired driver or nonoccupant. In eight traffic fatalities, fine the probability that the number, Y, which involve an intoxicated or alcohol-impaired driver or nonoccupant is a.exactly three; =________ at least three; =_______ at most three =__________ b. between two and four, inclusive c. find and interpet the mean of the random variable Y d. obtain the stand deviation of y
Regarding resolving the given issue, we have P(Y<=3) = 0.3909 (rounded to four decimal places)
What is probability?The likelihood that an event will occur or that a proposition is true is determined by a field of mathematics known as probability theory. An event's probability is expressed as a number between 0 and 1, where 1 indicates certainty and roughly 0 indicates how likely it is that the event will occur. A probability is a numerical expression of the likelihood or potentiality of a given event. Probabilities can alternatively be stated as integers between 0 and 1, percentages between 0% and 100%, or as percentages between 0% and 100%. the fraction of times that all equally probable alternatives occur compared to all potential outcomes.
This issue has the parameters n=8 (the number of trials) and p=0.45 (the chance of success in each trial). It is a binomial distribution problem.
The likelihood that Y=3 is:
[tex]P(Y=3) = (8 choose 3) * 0.45^3 * (1-0.45)^(8-3) = 0.3113[/tex]
The probability that Y is at least 3 is:
[tex]P(Y > =3) = P(Y=3) + P(Y=4) + P(Y=5) + P(Y=6) + P(Y=7) + P(Y=8)[/tex]
[tex]P(Y > =3) = (8 choose 3) * 0.45^3 * (1-0.45)^(8-3) + (8 choose 4) * 0.45^4 * (1-0.45)^(8-4) + (8 choose 5) * 0.45^5 * (1-0.45)^(8-5) + (8 choose 6) * 0.45^6 * (1-0.45)^(8-6) + (8 choose 7) * 0.45^7 * (1-0.45)^(8-7) + (8 choose 8) * 0.45^8 * (1-0.45)^(8-8)[/tex]
P(Y>=3) = 0.5626 (rounded to four decimal places)
The probability that Y is at most 3 is:
[tex]P(Y < =3) = P(Y=0) + P(Y=1) + P(Y=2) + P(Y=3)\\P(Y < =3) = (8 choose 0) * 0.45^0 * (1-0.45)^(8-0) + (8 choose 1) * 0.45^1 * (1-0.45)^(8-1) + (8 choose 2) * 0.45^2 * (1-0.45)^(8-2) + (8 choose 3) * 0.45^3 * (1-0.45)^(8-3)[/tex]
P(Y<=3) = 0.3909 (rounded to four decimal places)
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I NEED HELP ON THIS ASAP!!!!
Answer:
Step-by-step explanation:
the answers is Ax + By + C = 0 y = mx + c y − y1= m(x − x1) m = Δy/Δx = (y2 − y1)/(x2 − x1)
Graph PQR vertices P(0,2), Q(1,0), and R(2,2) and its image after a dilation centered at (0,0) with a scale factor 3.
Answer:
P(3,6) Q(3,0) R(6,6)
Step-by-step explanation:
multiply the coordinate of each vertice with the scale factor to obtain their images
Jacque is using a soup can for a school project and wants to paint it. If the can is 11 cm tall and has a diameter of 9 cm, at least how many square centimeters of paint is needed? Approximate using π = 3.14.
374.45 cm2
139.50 cm2
699.44 cm2
438.03 cm2
The approximate amount of paint needed = 438.03 cm²
The correct answer is an option (D)
We know that the formula for the surface area of the cylinder is :
A = (2 × π × r × h) + (2 × π × r²)
Here, the diameter of the can is 9 sm
So, the radius of the can would be,
r = d/2
r = 9/2
r = 4.5 cm
And the height of the can is h = 11 cm
Since the can is cylindrical, we use above formula of surface area of the cylinder to find the amount of paint needed.
Using above formula,
A = (2 × π × r × h) + (2 × π × r²)
A = (2 × π × (4.5) × (11)) + (2 × π × (4.5)²)
A = 311.02 + 127.01
A = 438.03 cm²
Therefore, the correct answer is an option (D)
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Prove algebraically that the straight line with equation x=2y+5 is a tangent to the circle with equation x^2+y^2=5
Answer:
x = 2y + 5 (1)
x^2 + y^2 = 5 (2)
Step-by-step explanation:
Sub (1) into (2) to find the y intersection of these functions
(2y + 5)^2 + y^2 = 5 simplify
4y^2 + 20 y + 25 + y^2 = 5
5y^2 + 20y +20 = 0 divide through by 5
y^2 + 4y + 4 = 0 factor
(y + 2)^2 = 0 take the square root of both sides
y + 2 = 0
y = -2
And x = 2(-2) + 5 = 1
So....(1, -2) is the tangent point because it is the only point that makes both equations true
1 = 2(-2) + 5 is true and
(1)^2 + (-2)^2 = 5 is also true
Hope this helps :)
Use the given information to find the exact value of each of the following.
a. sin 2theita
b. cos 2theita
c. tan 2theita
c. sin theita = -9/41 theita lies in quadrant III
The exact values of the trigonometric sin 2Θ, cos 2Θ, and tan 2Θ are:
sin 2Θ = 720/1681
cos 2Θ = 1521/1681
tan 2Θ = 720/1521
We have,
Since sin Θ = -9/41 and Θ lies in quadrant III, we can use the Pythagorean identity to find the value of cos Θ:
cos²Θ = 1 - sin²Θ
cos²Θ = 1 - (-9/41)²
cos²Θ = 1 - 81/1681
cos²Θ = 1600/1681
cosΘ = -40/41
Using the information we have, we can find the values of sin 2Θ, cos 2Θ, and tan 2Θ:
a.
sin 2Θ = 2sinΘcosΘ
sin 2Θ = 2(-9/41)(-40/41) = 720/1681
b.
cos 2Θ = cos²Θ - sin²Θ
cos 2Θ = (-40/41)² - (-9/41)² = 1521/1681
c.
tan 2Θ = sin 2Θ / cos 2Θ
tan 2Θ = (720/1681) / (1521/1681) = 720/1521
Therefore,
The exact values of sin 2Θ, cos 2Θ, and tan 2Θ are:
sin 2Θ = 720/1681
cos 2Θ = 1521/1681
tan 2Θ = 720/1521
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Question 3 of 3
A yard cleanup service charges a $266 fee plus $18.25 per hour. Another cleanup service charges a
$185 fee plus $22.75 per hour. How long is a job for which the two companies' costs are the same?
O 18 hours
20 hours
O 16 hours
O 14 hours
the answer is 18 hours. if you solve 18.25 *18 + 266 it = 594.5
if you solve 22.75 * 18 + 185 it = 594.5
Answer:
18 hours
Step-by-step explanation:
fist we start with the fees and hours (basic info to help get us started)
company 1
226 fee 18.25 per hrcompany 2
185 fee22.75 per hr18 hour with fee factored in
comp. 1 = $594.50comp. 2 =$594.50we do this by adding the fee and hours like this
[tex]226 + 18.25(18)[/tex]
and get 594.50
and we do this for company 2 like this
[tex]185 + 22.75(18)[/tex]
and also get 594.50
smoothing time series data by the moving average method or exponential smoothing method is an attempt to remove/reduce the effect of the: group of answer choices seasonal component trend component random component cyclical component
The correct option is D, Smoothing time series data by the moving average method or exponential smoothing method is an attempt to remove the effect of the random variation component.
Random variation refers to the natural variability or chance fluctuation of a certain phenomenon or event. It is the deviation from a predictable pattern, caused by random or unpredictable factors. Random variation is a common occurrence in scientific studies and statistical analysis, and it can affect the results of experiments, making it important to consider when drawing conclusions from data.
For example, in a study on the effects of a drug on blood pressure, random variation could be caused by factors such as age, weight, or genetics of the participants. These factors may cause the blood pressure to fluctuate, independent of the drug's effects. Understanding and accounting for random variation is essential in order to obtain reliable and accurate data. Statistical methods such as randomization, replication, and blinding can help to reduce the impact of random variation in studies. In short, random variation is an important consideration in scientific research, and it must be taken into account to ensure the validity and accuracy of the results.
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Complete Question:-
Smoothing time series data by the moving average method or exponential smoothing method is an attempt to remove the effect of the:
a. trend component
b. cyclical component
c. seasonal component
d. random variation component
a) Work out the bearing of A from B.
b) Work out the bearing of B from A.
(Hint: bearings are written with three digits.)
N
A
293°
67°
113°
Z+
N
B
247°
Not drawn accurately
Answer:
247° and 067°
Step-by-step explanation:
the bearing of one point to another is the measure of the angle from the north point N at one point in a clockwise direction to the other point.
(a)
bearing of B from A = 247° ( from N at B clockwise to A )
(b)
bearing of B from A = 067° ( from N at A clockwise to B )
in each of the following scenarios, researchers plan to conduct either a hypothesis test for a population mean or for the difference in two population means. are the conditions for use of a t-model met?
In each of the following scenarios, researchers plan to conduct either a hypothesis test for a population mean or for the difference between two population means conditions not met for Scenario 1, and conditions met for Scenarios 2 and 3.
a. Conditions not met; do not proceed with the hypothesis test. Since the distribution is strongly skewed to the right, the sample size should be much larger (i.e., n > 100) for the t-model to be valid.
b. Conditions not met; do not proceed with the hypothesis test. Since the distribution is strongly skewed for females, the sample size of 37 is too small for the t-model to be valid.
c. Conditions met; proceed with the hypothesis test. Since both distributions are fairly normal and the sample sizes for males and females are each 100, the t-model can be used.
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The question is -
In each of the following scenarios, researchers plan to conduct either a hypothesis test for a population mean or for the difference between two population means. Are the conditions for use of a T-model met?
1. In a random sample of 100 university students, the distribution of time spent at university recreational facilities is strongly skewed to the right.
2. In a random sample of 50 university students (37 females and 13 males), the distribution of time spent at university recreational facilities is strongly skewed to the right for females but not strongly skewed for males.
3. In a study of 100 brother-sister sibling pairs at the university, the distribution of time spent at university recreational facilities for the 100 males is compared to the 100 females; both distributions are fairly normal.
Can someone help me, please!!!
The length of the base, x is b) 2.90.
Let's call the length of the hypotenuse "h" and the length of the base "x". We can use trigonometry to set up an equation relating these three lengths.
Since we know that the triangle is right-angled, we can use the trigonometric function "sine" to relate the angle between the perpendicular and the hypotenuse to the sides of the triangle:
sin(71) = 4/h
Multiplying both sides by h, we get:
h * sin(71) = 4
Next, we can use the Pythagorean theorem to relate the length of the hypotenuse to the length of the base:
[tex]h^{2}[/tex] = [tex]x^{2}[/tex] + [tex]4^{2}[/tex]
Substituting the first equation into the second equation, we get:
[tex](hsin(71))^{2}[/tex] = [tex]x^{2}[/tex] + [tex]4^{2}[/tex]
Simplifying and solving for x, we get:
x = [tex]\sqrt{(hsin(71))^{2}-4^{2} }[/tex]
Using a calculator, we can evaluate this expression and find that x is approximately equal to 2.90.
Therefore, the answer is (b) 2.90.
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The circle graph describes the distribution of preferred transportation methods from a sample of 300 randomly selected San Francisco residents.
circle graph titled San Francisco Residents' Transportation with five sections labeled walk 40 percent, bicycle 8 percent, streetcar 15 percent, bus 10 percent, and cable car 27 percent
Which of the following conclusions can we draw from the circle graph?
Bus is the preferred transportation for 25 residents.
Bicycle is the preferred transportation for 48 residents.
Together, Streetcar and Cable Car are the preferred transportation for 42 residents.
Together, Walk and Streetcar are the preferred transportation for 165 residents.
The correct conclusion that can be drawn from the circle graph is given as follows:
Together, Walk and Streetcar are the preferred transportation for 165 residents.
What is shown by a circle graph?A circle graph, also known as a pie chart, is used to represent data as a circle divided into sectors, where each sector represents a portion of the whole. The size of each sector is proportional to the percentage of the whole that it represents.
Out of 300 residents, the percentages and amounts are given as follows:
Walk: 40% -> 0.4 x 300 = 120 residents.Bicycle: 8% -> 0.08 x 300 = 24 residents.Streetcar: 15% -> 0.15 x 300 = 45 residents.Bus: 10% -> 0.1 x 300 = 30 residents.Cable car: 27% -> 0.27 x 300 = 81 residents.Hence the last option gives the correct option in the context of the problem.
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Which one is a vector and which is a scalar between mass and weight? How are the two related in an equation?
Mass is a scalar quantity, while weight is a vector quantity. The two are related by the following equation: Weight = Mass × Gravity
Here's a step-by-step explanation:
1. Mass (scalar) is the amount of matter present in an object and is measured in kilograms (kg). It remains constant regardless of location.
2. Weight (vector) is the force exerted by gravity on an object's mass and is measured in newtons (N). It has both magnitude and direction (downward) and varies based on the strength of gravity at a particular location.
3. Gravity is the acceleration due to gravity and is approximately 9.81 m/s² on Earth's surface.
4. To find the weight of an object, you multiply its mass by the acceleration due to gravity:
Weight (N) = Mass (kg) × Gravity (m/s²)
By using this equation, you can determine an object's weight given its mass and the strength of gravity at its location.
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Jakob and his friends have collected 160 ft² of fabric with which to sew a backdrop for a play. Jakob wants to use all the material, and he would like the backdrop to be a golden rectangle. If Jakob uses the approximate ratio of 8 to 5, then he can use the equation 85w2=160 to determine the width, w, of the backdrop. What is the width of the backdrop?
Answer:
To solve the equation 85w^2=160 for w, we need to isolate w on one side of the equation.
First, divide both sides by 85:
85w^2/85 = 160/85
Simplifying, we get:
w^2 = 1.88235294118
To solve for w, we need to take the square root of both sides:
sqrt(w^2) = sqrt(1.88235294118)
Since w is a positive length, we can drop the negative square root, so we have:
w = 1.3725...
Rounding to the nearest hundredth, we get:
w ≈ 1.37 ft
Therefore, the width of the backdrop is approximately 1.37 feet.
Use a graphing or scientific calculator and the law of cosines to find the missing angle to
the nearest degree or length to the nearest whole number.
b=8, c = 10, ZA = 37°, a = ?
A. 9
B. 8
C. 7
D. 6
The length of segment a will is
D. 6
How to find the side using cosine lawsApplying the Law of Cosines with the formula given below
a² = b² + a² - 2bc cos(A)
where
a, b, and c are sides of the triangle and
A, b, ad C are the angles of the triangle
a² = 8² + 10² - 2 x 8 x10 cos (37°).
a² = 64 + 100 - 160 kos(37°).
a² = 164 - 123.2
taking the square root of both sides
a = √40.8
a ≈ 6.39
Therefore, the length of segment a will be 6.39 units.
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13 A number sequence starts 1 2 4
Emma says that the next term is 7
(a) Explain why Emma may be correct.
Emma may be correct because the addition of 1, 2 and 4 gives 7
Explaining why Emma may be correct.From the question, we have the following parameters that can be used in our computation:
Sequence: 1 2 4
Emma says that the next term is 7
This statement may be true because the addition of 1, 2 and 4 gives 7
i.e. next term = 1 + 2 + 4
Evaluate
next term = 7
Hence, Emma is right
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Solve the equation
In(2x-5)=2
Answer:
Step-by-step explanation:
2x - 5 = 2
2x = 5 + 2
2x = 7
x = [tex]\frac{7}{2}[/tex]
x = 3.5
A department store is holding a drawing to give away free shopping sprees. There are 9 customers who have entered the drawing: 2 live in the town of Gaston,
2 live in Pike, and 5 live in Wells. Two winners will be selected at random. What is the probability that the first winner lives in Gaston and the second lives in
Pike? Write your answer as a fraction in simplest form.
The probability that the first winner lives in Gaston and the second lives in Pike is (1/36).
What is Probability?
A number that reflects the chance or likelihood that a particular event will occur is called probability.
There are 9 customers in total, so there are 9 choices for the first winner.
According to question 2 of these customers live in Gaston
So, there are 2 choices for the first winner to live in Gaston.
After the first winner is chosen, there are only 8 customers remaining.
Now there are 8 choices for the second winner and one of the winners has already been chosen from Gaston, there are only 2 customers left in Gaston, and one of them is from Pike. Therefore, there is only 1 choice for the second winner to live in Pike.
So the probability that the first winner lives in Gaston and the second lives in Pike is (2/9) × (1/8) = 1/36
Therefore, the probability is 1/36, which is the final answer in its simplest form.
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12 The number of insects in a population at the start of the year n is P The number of insects in the population at the start of year (n + 1) is P+1 where Pn+1 = kPn Given that k has a constant value of 1.13 (a) find out how many years it takes for the number of insects in the population to double. You must show how you get your answer.
Requried, it takes 6.15 years for the number of insects in the population to double.
We know that the number of insects at the start of the year (n+1) is P+1, where [tex]P_n+1 = kP_n[/tex]
So, we can write:
[tex]P1 = kP_0\\P_2 = kP_1 = k(kP_0) = k^2 P_0\\P_3 = kP_2 = k(k^2 P_0) = k^3 P_0\\P_4 = kP_3 = k(k^3 P_0) = k^4 P_0\\[/tex]
[tex]Pn = k^n P_0[/tex]
To find out how many years it takes for the number of insects in the population to double, we need to find the value of n such that Pn = 2P0.
So, we have:
[tex]2P_0 = k^n P_0[/tex]
Dividing both sides by P_0, we get:
[tex]2 = k^n[/tex]
Taking the natural logarithm of both sides, we get:
[tex]ln 2 = n ln k\\n = ln 2 / ln k[/tex]
Substituting the value of k as 1.13, we get:
n = ln 2 / ln 1.13
n ≈ 6.15
Therefore, it takes 6.15 years for the number of insects in the population to double.
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Identify the transformations of the graph of f(x) = x³ that produce the graph of the given function g(x). Then graph g(x) on the same coordinate plane as the graph of f(x) by applying the transformations to the reference points (-1,-1),(0,0), and (1,1).
g(x) = x³ + 2
Reference
Points
(-1,-1)
(0,0)
(1,1)
First Transformation Second Transformations?
Step-by-step explanation:
The graph is shifted UP 2 units:
For the past three years, Derek has grown 1 inches each year. How many total inches has he grown in the past three years?
5/12, inch
3 3/4 inches
3, 1/4 inches
1 3/4 inches
The total inches Derek has grown in the past three years is 3 inches.
None of the given options is correct.
Given information:
For the previous three years, Derek has become an inch taller every year.
This means that we can add up those three inches to find his total growth over the three-year period.
Thus, 1 + 1 + 1 equals 3 inches.
Derek has therefore gained 3 inches in total over the last three years.
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Cassidy's bicycle wheel is 15 inches in diameter. How much ground is covered on one rotation of the wheel?
Answer:
47.1239 inches
Step-by-step explanation:
The ground covered in one rotation of a circular wheel is the same as the circumference of the wheel
Circumference C = π · d
where d is the diameter
Given d = 15 inches
C = π · 15
= 47.1239 inches
Find the price of apples and pears in pence
The price of the apple and the pears at the shop in pence would be = 0.5 and 0.73 pence respectively.
How to calculate tye cost of both the apple and pears?Let's represent the apple as = X
Let's represent the pear as = y
That is ;
4x + 3 y = 4.10. ---> equation 1
5x +8y = 6.40 ----> equation 2
Make X the subject of formula in equation 1
4x = 4.1-3y
X = (4.1-3y)/4
substitute X = (4.1-3y)/4 into equation 2.
5[(4.1-3y)/4] + 8y = 6.40
20.5-15y+8y = 6.40×4
20.5 - 7y = 25.6
-7y = 5.1
y = 5.1/7
y = 0.73
Substitute y = 0.73 into equation 1;
4x + 3(0.73) = 4.10.
4x + 2.19 = 4.10
4x = 4.20-2.19
4x = 2.01
X = 2.01/4
X = 0.5
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What is the area of sector GPH in square yards
The area of sector GPH in square yards is equal to 157 yd².
How to calculate the area of a sector?In Mathematics and Geometry, the area of a sector can be calculated by using the following formula:
Area of sector = θπr²/360
Where:
r represents the radius of a circle.θ represents the central angle.By substituting the given parameters into the area of a sector formula, we have the following;
Area of sector = θπr²/360
Area of sector = 80(3.14/360) × (15)²
Area of sector = 0.6978 × 225
Area of sector = 157 yd²
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I'm stuck on a geometry problem where one angle is 43, the equation to find one is (3x), and the 3rd angle says (5x-5).
Answer:
Step-by-step explanation:
To solve for the angles, you can use the fact that the sum of the angles in a triangle is 180 degrees.
So, you can set up an equation:
43 + 3x + (5x-5) = 180
Simplifying, you get:
8x + 38 = 180
Subtracting 38 from both sides:
8x = 142
Dividing both sides by 8:
x = 17.75
Now that you know x, you can plug it into the expressions for the other two angles to find their measures:
First angle = 3x = 3(17.75) = 53.25
Third angle = 5x - 5 = 5(17.75) - 5 = 83.75
Therefore, the three angles are 43 degrees, 53.25 degrees, and 83.75 degrees.