Answer:
What are the choice man
Step-by-step explanation:
The fluctuation of water depth at a pier is shown in the figure below. One of the following values gives the positive difference, in feet, between the greatest water depth and the least water depth shown in this graph. Which value is it?
F. 3
G. 6
H. 9
J. 12
K. 19
Answer:
The answer is H. 6
Step-by-step explanation:
The greatest water depth is 12 and the lowest water depth is 6
12-6=6
H. 6
Answer:
k
Step-by-step explanation:
It’s the deepest dept
Fill in the following blank so that the resulting statement is true.
Points: 0 of 1
In order to construct a Venn diagram for a survey, first enter the cardinality of the
to obtain subsequent cardinalities.
Save
region. Then use
In order to construct a Venn diagram for a survey, first enter the cardinality of the universal set to obtain subsequent cardinalities.
How to explain the informationThe universal set is the set of all possible outcomes, and the cardinality of a set is the number of elements in the set. Once you have the cardinality of the universal set, you can use it to calculate the cardinality of any other set in the survey.
For example, if the universal set has a cardinality of 100, and the survey asks people whether they like dogs or cats, you can calculate the number of people who like dogs by subtracting the number of people who like cats from the total number of people surveyed.
In order to construct a Venn diagram, you will need to draw two or more circles, each representing a set in the survey. The circles should be overlapping to represent the sets that have members in common.
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In order to construct a Venn diagram for a survey, first enter the cardinality of the to obtain subsequent cardinalities region. Then use
2. Kasie lives in Seattle. She can see her house from the observation deck of the Seattle Space Needle. The
observation deck is 520 feet above the ground and the angle of depression from the deck to her house
is 70. What is the direct distance from the base of the Space Needle to Kasie's house? Round your
answer to the nearest foot.
Direct distance from the base of the Space Needle to Kasie's house = 1429 feet.
What is angle of depression?The angle of depression is the angle between the horizontal line and the observation of the object from the horizontal line. It is basically used to get the distance of the two objects where the angles and an object's distance from the ground are known to us.
Given,
Height of the observation deck AB = 520 feet
Angle of depression = 70°
Distance of the Space needle base to house BC = ?
By the figure,
tan70° = AB/BC
BC = tan70°(AB)
BC = 2.7475(520)
BC = 1428.7 feet
Distance of the Space needle base to house to nearest foot = 1429 feet
Hence, 1429 feet is the distance between base of the Space Needle to Kasie's house.
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A large population has a bell-shaped distribution with a mean of 200 and a standard deviation of 40. Which one of the following intervals would contain approximately 95% of the measurements?
a. (160, 240)
b. (140, 260)
c. (120, 280)
d. (200, 320)
The intervals would contain approximately 95% of the measurements will be (120, 280). Then the correct option is C.
What is a normal distribution?The Gaussian Distribution is another name for it. The most significant continuous probability distribution is this one. Because the curve resembles a bell, it is also known as a bell curve.
In numerical documentation, these realities can be communicated as follows, where Pr(X) is the likelihood capability, Χ is a perception from an ordinarily circulated irregular variable, μ (mu) is the mean of the dispersion, and σ (sigma) is its standard deviation:
The interval for 95% will be given as,
Pr(X) = μ ± 2σ
Pr(X) = 200 ± 2(40)
Pr(X) = 200 ± 80
Pr(X) = (200 - 80, 200 + 80)
Pr(X) = (120, 280)
The intervals would contain approximately 95% of the measurements will be (120, 280). Then the correct option is C.
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Ignore the other questions I just need help with numbers 18 and 25 how do you work it out please help me out I would of have helped you
Answer:
25. -7/5 \(\leq\) x \(\leq\) 1
Step-by-step explanation:
18:
\(5-|x|\leq 2\\-|x| \leq -3\\|x|\leq 3\\x\geq -3\)or \(x\leq 3\)
25:
\(3|5x+1|-6\geq 12\\3|5x+1|\geq 18\\|5x+1|\geq 6\\x\leq -7/5\)or \(x\geq 1\)
\(-7/5\leq x\leq 1\)
I don't think I explained this well let me know if you need more explanation.
Pls hurry I’m being timed
Answer:
I think the answer is A
Step-by-step explanation:
makes sense
Triangle can be formed with angle measures of 32 degrees, 126 degrees, and 32 degrees
Answer:
No triangle can be formed with these angles.
Step-by-step explanation:
There must be 180 degrees in a triangle.
32 + 126 + 32
= 126 + 64
= 190 degrees - so this cannot form a triangle.
Answer:
a triangle cant be formed with the angles
Step-by-step explanation:
{10, 12, 14, 16, 18, ...} What is the formula ?
Answer:
10 + 2x
Step-by-step explanation:
we you started with 10 and you're adding 2 everytime
x = the number of times you do this
10 + 2x
Answer:
2n + 8
=> 10, 12 , 14, 16, 18, 20, 22, 24, ...
A= 1/2h(b1+b2)
the area is 27inches the two base are 6 and 3
what is H
6
Step-by-step explanation:
B1=6
B2=3
A=1/2
A=27
H=?
A=1/2h(6+3)
A=1/2h(9)
A=9/2
27=4.5
H=27/4.5
H=6
Which set of numbers can represent the side lengths, in centimeters, of a right triangle?
A set of numbers that can represent the side lengths, in centimeters, of a right triangle is any set that satisfies the Pythagorean theorem, where the square of the hypotenuse's length is equal to the sum of the squares of the other two sides.
A right triangle is a type of triangle that contains a 90-degree angle. According to the Pythagorean theorem, in a right triangle, the square of the length of the hypotenuse (the side opposite the right angle) is equal to the sum of the squares of the lengths of the other two sides.
Let's consider a set of numbers that could represent the side lengths of a right triangle in centimeters.
One possible set could be 3 cm, 4 cm, and 5 cm.
To verify if this set forms a right triangle, we can apply the Pythagorean theorem.
Squaring the length of the shortest side, 3 cm, gives us 9. Squaring the length of the other side, 4 cm, gives us 16.
Adding these two values together gives us 25.
Finally, squaring the length of the hypotenuse, 5 cm, also gives us 25. Since both values are equal, this set of side lengths satisfies the Pythagorean theorem, and hence forms a right triangle.
It's worth mentioning that the set of side lengths forming a right triangle is not limited to just 3 cm, 4 cm, and 5 cm.
There are infinitely many such sets that can be generated by using different combinations of positive integers that satisfy the Pythagorean theorem.
These sets are known as Pythagorean triples.
Some other examples include 5 cm, 12 cm, and 13 cm, or 8 cm, 15 cm, and 17 cm.
In summary, a right triangle can have various sets of side lengths in centimeters, as long as they satisfy the Pythagorean theorem, where the square of the hypotenuse's length is equal to the sum of the squares of the other two sides.
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Between which two consecutive numbers does the root of 90 lie
Answer:
\(9 < \sqrt{90} < 10\)
Step-by-step explanation:
Since \(9^2=81 < 90\) and \(10^2=100 > 90\), then \(9 < \sqrt{90} < 10\)
A coffee shop uses 4 liters of milk every day.
a. If there is 15 L of milk in the fridge, after how many days will more milk need to be purchased?
b. If only half as much milk is used each day, after how many days will more milk need to be purchased?
Answer:
a. 15L will last the cafe 3 days if they're using 4L every day
b. 15L will last them 7 days if they're using 2L every day
Step-by-step explanation:
division.
Please answer and explain both in laymens terms
After considering the given data we come to the conclusion that the area to the left of z is 0.982, which is Option D. And the standard deviation of the given data is 87.6, which is Option C.
In order to calculate the area to the left of z=2.09 we have to apply the z-table:
1. Search for the row that starts with "2.0" in the leftmost column of the z-table.
2. Then for the column that starts with "0.09" in the top row of the z-table.
3. Here the value at the intersection of this row and column is 0.9821.
4. Finally round this value to three decimal places to get 0.982.
Hence , the area to the left of z=2.09 is 0.982.
Now for the second part of the question
Applying the given data set {10, 26, 84, 48, 250, 56}, we can evaluate the standard deviation as follows:
1. Evaluate the mean:
mean = (10 + 26 + 84 + 48 + 250 + 56) / 6 = 74
2. Applying subtraction of the mean from each data point:
{10 - 74, 26 - 74, 84 - 74, 48 - 74, 250 - 74, 56 - 74}
= {-64, -48, 10, -26, 176, -18}
3. Applying square of the result of step 2:
{(-64)², (-48)², (10)², (-26)², (176)², (-18)²}
= {4096, 2304, 100, 676, 30976, 324}
4. Exercising summation of the result of step 3:
4096 + 2304 + 100 + 676 + 30976 + 324
= 38176
5. Applying division of the result of step 4 by the number of data points (n):
standard deviation = √(38176 / (6 -1))
= √7625.2)
≈ 87.6.
Therefore, the answer is 87.6
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need help on these math questions. please and thank u
9514 1404 393
Answer:
a) x = -3
b) y = (28/27)x -27
Step-by-step explanation:
a) College street has a slope of 0, so is a horizontal line. 2nd Ave is perpendicular, so is a vertical line, described by an equation of the form ...
x = constant
For 2nd Ave to intersect the point (-3, 1), the constant must match that x-coordinate. The equation is ...
x = -3
__
b) Since Ace Rd is perpendicular to Davidson St, its slope will be the opposite reciprocal of the slope of Davidson St. The slope of Ace Rd is ...
m = -1/(-27/28) = 28/27
Using the point-slope equation for a line, we can model Ace Rd as ...
y -y1 = m(x -x1)
y -1 = (28/27)(x -27)
y = (28/27)x -27
Find the value of x.
-1.3125 as a fraction in simplest form
Answer: - 21/16 = 15/16 (simplified)
= - 1.3125 convert decimal to fraction
= - 13125/10000
= - 21/16 = 15/16 (simplified)
A shirt you wanted to buy originally cost $44. The store is now having a sale and
offering a discount of 25% off all merchandise.
Answer:
$33
Step-by-step explanation:
44 x 0.25 = 11
44 - 11 = 33
find the values of x and y if / || m.9.(10x - 17)17(6) + 29) (8x + 1)
Looking at the given diagram, line l is parallel to line m and a transversal cuts through both lines. Also, angle (6y + 29) and angle (8x + 1) are linear pairs. They lie on a straight line. Recall, the sum of the angles on a straight line is 180 degrees. This means that
6y + 29 + 8x + 1 = 180
8x + 6y = 180 - 29 - 1
8x + 6y = 180 - 30
8x + 6y = 150 equation 1
Again,
The angle vertically opposite angle 10x - 17 can be represented by x as shown in the diagram below. The angle vertically opposite angle 8x + 1 is also represented by y.
Vertically opposite angles are equal. this means that angle x = 10x - 17. This also means that y = 8x + 1
Also, angle x and angle y are alternate external angles because the lie on opposite sides of the transversal and outside the parallel lines. Alternate angles are equal. It means that
10x - 17 = 8x + 1
10x - 8x = 1 + 17
2x = 18
x = 18/2
x = 9
Substituting x = 9 into equation 1, it becomes
8 * 9 + 6y = 150
72 + 6y = 150
6y = 150 - 72 = 78
y = 78/6
y = 13
x = 9, y = 13
If tan(theta)=15/8,0 less than theta less than pi/2 What is sin(theta)Cos(theta)Sec(theta)
ANSWERS
• sin(θ) = 15/17
,• cos(θ) = 8/17
,• sec(θ) = 17/8
EXPLANATION
The tangent of an angle is the ratio between its opposite side and its adjacent side,
We can use a right triangle because we know that the angle is between 0 and π/2.
If the tangent of the angle is 15/8, this means that the length of the opposite side is 15 while the length of the adjacent side is 8. Using the Pythagorean theorem, we can find the length of the hypotenuse,
\(h=\sqrt[]{15^2+8^2}=17\)The sine and cosine are,
\(\begin{gathered} \sin \theta=\frac{opposite}{hypotenuse}=\frac{15}{17} \\ \\ \cos \theta=\frac{adjacent}{hypotenuse}=\frac{8}{17} \end{gathered}\)The secant is the reciprocal of the cosine,
\(\sec \theta=\frac{1}{\cos \theta}=\frac{1}{\frac{8}{17}}=\frac{17}{8}\)Find the percent change from the first value to the second.
40; 70
Answer:
75%
Step-by-step explanation:
Answer:
75% increase
Step-by-step explanation:
In the context of sampling plan, a comprehensive record of each individual in the population of interest is known as a ________.
Answer:
The correct answer is Census
Step-by-step explanation:
According to the given scenario, the record for each and every individual with respect to the population who has the interest is known as the census. The census means the information received for each and every population member
Therefore as per the given situation, the term that should be used is census
During the 2008 - 2009 financial crisis, the GDP of the USA reduced from $14.72 trillion in 2008 to $14.42 trillion in 2009. What is the percentage change between these two years? around your answer to the nearest hundredth of a percent.
The percentage change in GDP is 2.04%
Percentage ChangePercentage Change is the difference coming after subtracting the old value from the new value and then divide by the old value and the final answer will be multiplied by 100 to show it as a percentage. Generally, to convert a fraction into a percent, we multiply it by 100.
The formula of percentage change is given as
Percentage change =[ (New increase - old value) / old value] * 100
Percentage change = [(14.72 - 14.42) / 14.72] * 100
Percentage change = 2.04%
In this case, there is a percentage decrease of 2.04%
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I'LL BRAINLIST!!!!
solve each proportional
4/12= y/9
12/m= 3/5
y/5= 13/10
5/10= 8/w
Please help, thanks!
Determine the domain and range of the given function
The domain is
Ty
4
The range is
2
x
-2
2
4
4
Intro
Done
Answer:
List all of the solutions.
T
y
=
4
=
2
=
x
=
−
2
=
2
=
4
=
4
=
Step-by-step explanation:
The domain of the function is real numbers and range is from -2 to +2.
What is Domain and Range?The domain of a function is the set of values that can be plugged into it. This set contains the x values in a function like f(x). A function's range is the set of values that the function can take. This is the set of values that the function returns after we enter an x value.
The domain takes all of the potential input values from the set of real numbers, while the range takes all of the function's output values.
The domain is the x values operate, often known as the horizontal axis.
Here we have the parabola function x².
Then, the domain of all parabolic functions is all real numbers.
The Range is y values on the vertical axis.
As, from the graph there is no point below 2 .
Then, the range of the function is from -2 to +2.
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Classify the following triangle as acute, obtuse, or right.
70-
A
55
55:
A. Acute
B. Obtuse
C. Right
D. None of these
3.50-g=$1.25 solve the equation and check your solution
Answer:
2.25Step-by-step explanation:
3.50-g=$1.25 solve the equation and check your solution
3.5 - g = 1.25
g = 3.5 - 1.25
g = 2.25
----------------
check
3.5 - 2.25 = 1.25
1.25 = 1.25
the answer is good
45 minutes and 45 minutes is 90 Minutes so that is 1 hour and 30 minutes. So the answer is your welcome I’m so high
Answer:
Yeah that's correct.
Step-by-step explanation:
You're welcome I'm so high
I need to use factorial the! When you use the binomial probability formula and I need to show step-by-step for for a through c
Given the number of trials and the probability of success, determine the probability indicated: (Hint use binomial distribution formula use factorials ! in showing your work)
n = 15, p = 0.4, find P(4 successes)
n = 12, p = 0.2, find P(2 success )
n = 20, p = 0.05, find P(at most 3 successes)
(hint for c.
P (at most 3 successes) = P(x ≤3)= P(x= 0) + P(x = 1)+ P(x = 2)+ P(x = 3)
Using the binomial distribution, it is found that the probabilities are:
P(X = 4) = 0.1268.P(X = 2) = 0.2835.\(P(X \leq 3) = 0.9841\)What is the binomial distribution formula?The formula is:
\(P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}\)
\(C_{n,x} = \frac{n!}{x!(n-x)!}\)
The parameters are:
x is the number of successes.n is the number of trials.p is the probability of a success on a single trial.Exercise 1:
The parameters are:
n = 15, p = 0.4, x = 4.
Then:
\(P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}\)
\(P(X = 4) = C_{15,4}.(0.4)^{4}.(0.6)^{11} = 0.1228\)
Exercise 2:
The parameters are:
n = 12, p = 0.2, x = 2.
Then:
\(P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}\)
\(P(X = 2) = C_{12,2}.(0.2)^{2}.(0.8)^{10} = 0.2835\)
Exercise 3:
The parameters are:
n = 20, p = 0.05.
The probability is:
\(P(X \leq 3) = P(X = 0) + P(X = 1) + P(X = 2) + P(X = 3)\)
Using the binomial formula for each value and adding them:
\(P(X \leq 3) = P(X = 0) + P(X = 1) + P(X = 2) + P(X = 3) = 0.3585 + 0.3774 + 0.1887 + 0.0596 = 0.9841\)
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PLEASE HELP FOR 30 POINTS ITS A UNIT TEST!!!!!!!
The coordinates of the vertices of a polygon are shown on the graph below.
What is the name of the polygon?
hexagon
octagon
quadrilateral
triangle
Answer: Quadrilateral
Step-by-step explanation:
hexagon: 6 sides
octagon: 8 sides
quadrilateral: 4 sides
triangle: 3 sides
The quadrilateral is the only one that makes sense.