The area of the gazebo floor in square feet when the triangles forming the hexagon are equilateral is 96√3 ft².
An equilateral triangle has all three sides and angles equal. In this case, the base of each triangle is 8 ft long, which means that all three sides are also 8 ft long.
To find the area of an equilateral triangle, we can use the formula: A = (√3 / 4) * s², where A is the area and s is the length of one side.
Plugging in the value of s as 8 ft, we get: A = (√3 / 4) * 8² = (√3 / 4) * 64 = 16√3 ft².
Since the hexagon is made up of six equilateral triangles, the total area of the gazebo floor is 6 times the area of one triangle, which is 6 * 16√3 = 96√3 ft².
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Halp,ignore the answer I chose lolz
Answer:
the answer will be b that should be the answer
Rack heights vary from a few rack units to many rack units. The most common rack heights are 24U and 42U. How tall is a 24U rack?
As per the measurement the height of the 24U rack is 42 inches.
A rack height measurement refers to the size of the data center equipment that needs to be stored in a server rack.
The most common rack heights are 24U and 42U. These measurements refer to the number of units of 1.75 inches in height that can be accommodated in a server rack.
A 24U rack is 24 units of 1.75 inches high, so the total height of a 24U rack can be calculated by multiplying 24 by 1.75 inches.
Therefore, a 24U rack is 42 inches tall.
This is a standard height measurement for a server rack and is commonly used in data centers.
It is important to note that these measurements are standardized and refer to the size of the equipment that can be stored in the rack, not the actual physical dimensions of the rack itself.
So, when choosing a server rack, it is important to consider the height measurement in relation to the equipment that needs to be stored in it.
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If (72)p = 76, what is the value of p? (5 points)
a certain disease has an incidence rate of 0.5%. if there are no false negatives and if the false positive rate is 3%, compute the probability that a person who tests positive actually has the disease.
The probability that a person who tests positive actually has the disease is 0.1046.
This problem is a classic application of Bayes' law, but let's try a more concrete approach rather than a boilerplate approach.
Suppose 1,000,000 people are being tested.
According to the incidence, 0.5 percent should be ill, so we would expect 5,000 to be ill and 995,000 not to be ill.
We are testing 5000 of him for this disease. With only a 7% false negative rate, the test is pretty good. That is, out of 5,000 or 350 people with the disease, only 7% will test negative, and the remaining 4,650 will test positive.
We are testing 995,000 people who are not sick. With only a 4% false positive rate, the test is pretty good. That means only 4% of 995,000 or 39,800 diseased people will test positive. The remaining 955,200 will be negative.
4,650 sick and tested positive
39,800 not sick but tested positive
350 sick and tested negative
955,200 not sick but tested negative
our test 955,200 + 4,650 = 959,850 people tested
4,650 + 39,800 = 44,450 people tested positive, but only 4,650 actually tested positive. This is a very small percentage, only 465044450≈0.1046.
In other words, if your doctor says you tested positive, there's only about a 10.5% chance that you actually have the disease. That's the probability we're looking for, and this low value indicates that this test isn't very good.
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The z score associated with the highest 10% is closest to
a. .0398
b. .5398
c. 1.28
d. -1.28
The z score associated with the highest 10% is closest to: option (c) 1.28
-To find the z score associated with the highest 10%, first determine the percentage that corresponds to the lower 90%, since the z score table typically represents the area to the left of the z score.
- Look up the 0.90 (90%) in a standard normal distribution (z score) table, which will give you the corresponding z score.
-The z score closest to 0.90 in the table is 1.28, which corresponds to the highest 10% of values.
Therefore, the z score associated with the highest 10% is closest to 1.28.
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PLEASE HELP!!!!!!!!!!!!!!!
Answer:
27.6%
Step-by-step explanation:
See the attached worksheet. Find the total number of marbles (29) and then take the green marbles and divide by the total and multiply by 100%. (8/29)*(100%) = 27.6% to the nearest tenth.
which of the following is a function?
Answer:a
Step-by-step explanation:yes
Answer: 2nd option
Step-by-step explanation:
Find the radius of convergence R of the series.
[infinity] n
bn (x − a)n, b > 0
n = 1
R =
Find the interval of convergence of the series. (Enter your answer using interval notation.)
The interval of convergence is from (a - b) to (a + b), where b is a positive number.
1. The radius of convergence R is given by the formula R = 1/|b|.
2. The interval of convergence is given by the formula (a - b, a + b).
The radius of convergence R of a series is a measure of how quickly the series converges. It is calculated by taking the inverse of the coefficient of the term with the highest power of the variable in the series. In this case, the coefficient of the highest power of the variable is b, so the radius of convergence is 1/|b|.
The interval of convergence is the region in which the series converges. It is determined by the coefficient of the term with the highest power of the variable in the series. In this case, the coefficient of the highest power of the variable is b, so the interval of convergence is (a - b, a + b). This means that the series converges for values of x in the range from (a - b) to (a + b).
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add 8 and z
I dont know how to do this
Answer:
8+z
Step-by-step explanation:
As easy as it sounds : )
25 - 6r = 25 please i really need to know what R is
Answer:
r = 0
1.
25-6r=25
−6r+25=25
2.
− 6r+25 = 25
− 6
The volume of a sphere with a diameter of 6cm, rounded to the nearest tenth
Answer:
113.1 cm³
Step-by-step explanation:
diameter = 2 X radius
Volume of sphere = (4/3) X π X r ³
= (4/3) π (3)³
= 36π
= 113.1 cm³ to nearest tenth
what does nani mean?
Answer:
Nani means what in japanese.
Step-by-step explanation:
I am a anime weeb lol
a projectile is launched with speed v0 and at angle θ0 with respect to the horizontal. which gives the horizontal component of the launch velocity?
Average velocity = 0 gives the horizontal component of the launch velocity .
What does average velocity mean?
The difference between the change in position or displacement (x) and the time periods (t) during which the displacement happens is known as average velocity.
Depending on how the displacement is displaced, the average velocity may be positive or negative. Meters per second (m/s or ms-1) is the standard international unit for average velocity.
Typical flight of a projectile is as shown in the picture above.
In the problem it is given that initial velocity V₀ at an angle θ
above the horizontal. As such inn the picture U= V₀
This velocity can be resolved into its x and y components.
Component along x axis, and
Component along y axis = V₀ Sin θ
Let t be time of flight.
Average velocity = Displacement/time of flight
It is given that "It lands at the same level from which it was launched", means that displacement in the y axis is = 0
Average velocity = 0/t = 0 ............1
cos θ component.
Average velocity = V₀ cos θ ............ 2
Average velocity we need to add both vectors along x and y directions
. In this instant it is simple as one of the vectors is
Average velocity = 0
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Put the following equation of a line into slope-intercept form, simplifying all
fractions.
4y - 4x = -36
Answer: y=x-9
Step-by-step explanation:
please help!!!!!!!!!
Answer:
Using only dilation
Step-by-step explanation:
This is because dilation is to make bigger or smaller.
Answer:
c
Step-by-step explanation:
dilation is when you shrink the square, but maintain similarity between the four side lengths. Theoretically, you can shrink square EFGH to the size of ABCD
a closed rectangular box with volume 6 cubic feet is made from two different types of cardboard. the top and bottom are made with a heavy-duty cardboard that costs 30 cents per square foot. the sides are made from a light-weight cardboard that costs 5 cents per square foot. find the dimensions of the box that yield the lowest cost.
As per area of rectangle, the dimensions of the box that yield the lowest cost is (1,1,6)
Area of rectangle:
The standard formula for area of rectangle is calculated as,
A = length x breadth
Given,
A closed rectangular box with volume 6 cubic feet is made from two different types of cardboard. the top and bottom are made with a heavy-duty cardboard that costs 30 cents per square foot. The sides are made from a light-weight cardboard that costs 5 cents per square foot.
Here find the dimensions of the box that yield the lowest cost.
Here let's consider the dimensions of the rectangular box be length l, breadth is b, and height is h.
Now, from the given information, the total cost can be derived as,
=> C=2lb×48+(2bh+2lh)×8
=> C=96lb+16bh+16lh
=> C=16(6lb+bh+lh) -----------------→(1)
Then the given volume is, V = lbh = 6 ---------------→(2) cubic feet.
Then the equation 2,
=> lbh = 6h = 6/lb
And then we have to substitute the value of h in equation 1, we get
=> C(l,b,h)=16(6lb+6/l+6/b)
Now we need to minimize the resulting function of two variables.
Therefore, we need to partially derivative the above function with respect to l,b. And set these equal to zero.
And the for l=0,b is undefined. So we can eliminate l=0.
Here we have to substitute l=1,b=112⇒1 in equation 2, we get
=> lbh=6(1)(1)h=6h=6h=6
Therefore, the critical point is, (1,1,6)
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What is an equation in point-slope form of the line that passes through the point (4, −1) and has slope 6?
Answer:
y + 1 = 6(x - 4)
Answer: y + 1 = 6(x - 4)
Simplify $\frac{3}{2 \sqrt 3 - 3}.$\(Simplify $\frac{3}{2 \sqrt 3 - 3}.$\)
Answer:
\(2\sqrt{3}+3\)
Step-by-step explanation:
\($\frac{3}{2 \sqrt 3 - 3}$\)
Rationalize the fraction.
\($\frac{3}{2 \sqrt 3 - 3}\cdot \frac{2 \sqrt 3 + 3}{2 \sqrt 3 + 3} =\frac{6\sqrt{3}+9 }{12-9} =\frac{6\sqrt{3}+9 }{3} =2\sqrt{3}+3 $\)
Note that I used the positive signal because we would have a difference of squares.
What is the value of x and y
A x=6.15, y=7
B x=2, y=5
C x=8, y= 9
D x=2✔️14, y= 2✔️10
Answer: D
Step-by-step explanation:
Please help
precalc
trigonometry
Answer:
a. 75 degrees
b. 14.5ft
Step-by-step explanation:
a) tan x = 6/8
= 0.75
b) sin 75 degrees = x/15
Sin 75 degrees = 0.97
(0.97)*(15) = x
x = 14.5ft
write the expression as a single fraction:
please help, giving brainliest :)
Answer:
\(\frac{4a^{2} + 15b}{10ab}\)
Step-by-step explanation:
find the least common denominator for both fractions then combine them to find:
\(\frac{4a^{2} + 15b}{10ab}\)
Yoshi needs to find the inverse of f(x) = 5x – 2. What is the first step?
A. Solve the equation for x.
B. Replace f(x) with f'(X).
C. Replace f(x) with y.
O D. Switch x and y.
Answer: It will be (B)
Step-by-step explanation:
Answer:
\(f(x) = 5x - 2 \\ \\ \)
B ) Replace f ( x ) with f' ( x )
Seorang mengendarai mobil dengan kecepatan 72 km/jam, tiba-tiba melihat seorang anak kecil di tengah jalan pada jarak 50 m dimukanya. Jika mobil direm dengan perlambatan maksimum sebesar 4 m/s2 , maka terjadi peristiwa ....
If another equation is graphed so that the system has no solution, which equation could that be?
y=-2(x-1/2)
y=-1/2(4x+2)
y=-x+1
y=-1/2x+2
Answer:
y=-2(×-1/2)
Step-by-step explanation:
...........
A cone has base radius 9 cm and height 28cm find it's volume
A normal probability distribution a. can be either continuous or discrete. b. is a continuous probability distribution. c. must have a standard deviation of 1. d. is a discrete probability distribution.
The correct answer is b. A normal probability distribution is a continuous probability distribution, which means that it can take on any value within a given range.
This type of distribution is often used to model real-world phenomena that are measured on a continuous scale, such as height or weight. Unlike discrete probability distributions, which have a finite number of possible outcomes, a continuous distribution has an infinite number of possible outcomes. It's important to note that while a normal distribution is continuous, not all continuous distributions are normal. A normal distribution has a specific bell-shaped curve that is defined by its mean and standard deviation, and it is often used in statistical analysis to make predictions about the likelihood of certain events occurring within a given population. In summary, a normal probability distribution is a type of continuous probability distribution that is often used to model real-world phenomena. While it has a specific shape and can be described by its mean and standard deviation, it is not always the best model for every situation.
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Help me out with this question!! 50 points
C
The mistake the arrangers made is in the second inequality. They considered the number of caps to be bought should be at least 5 times greater than the number of blouses, not the other way around. The correct inequality should be C
The correct answer is D) The first inequality should be s + h ≤ 1800.
The organizers made an error in the first inequality. The given inequality 10s + 8h ≤ 1800 represents the total cost of buying shirts (10s) and hats (8h) should be less than or equal to $1800. However, this does not take into account the fact that the organizers want to buy at least 5 times as many shirts as hats, as indicated by the second inequality h ≥ 5s.
The correct way to represent this constraint is by using the equation s + h ≤ 1800, which ensures that the total number of shirts and hats purchased does not exceed $1800 in cost. This is because the organizers want to make sure that the total cost of shirts and hats combined does not exceed the budget of $1800.
plsss help mee i donot now the answer
Activity 1: Identifying Hypothesis and Conclusion Directions: Identify the hypothesis and the conclusion for each of the following statements.
1. If you live in Manila, then you live in the Philippines.
2. If a triangle is a right triangle, then one of its interior angle is a 90-degree angle.
3. A square is not a triangle.
4. An even number is divisible by 2.
5. The measure of an acute angle is less than 90.
Answer:
1. If you live in Manila(hypothesis) then you live in the Philippines ( conclusion)
2. If a triangle is a right triangle (hypothesis), then one of its interior angle is a 90-degree angle ( conclusion)
3. A square is not a triangle (conclusion)
4. An even number is divisible by 2. (conclusion)
5. The measure of an acute angle is less than 90. (conclusion)
Write an equation in point-slope form for the line that satisfies the given set of conditions.
slope of 0, passes through (0,−10)
Answer:
y-(-10)=0*(x-0)
Step-by-step explanation:
y-y₁=m(x-x₁)
m=0 (0,-10) x₁=0 , y₁=-10
y-(-10)=0*(x-0)
y+10=0
y=-10
Find the distance between the following points:
A(9,2) and B(3,6).
Answer:
d = 2\(\sqrt{3}\)
Step-by-step explanation:
\(d= \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}\\d= \sqrt{(3-9)^2+(6-2)^2} \\d= \sqrt{(-6)^2+(4)^2} \\d= \sqrt{(36)+(16)} \\d= \sqrt{52} \\d=2 \sqrt{13}\)