Answer:
There are three ways to assign probabilities to events: classical approach, relative-frequency approach, subjective approach.
The volume of a tree stump can be modeled by considering it as a right cylinder. Lauren measures it’s height as 0.7ft and it’s radius as 20in find the volume of the stump in cubic inches. Round your answer to the nearest tenth if necessary
The volume of the tree stump is approximately 1005.3 cubic inches when rounded to the nearest tenth.
To calculate the volume of the tree stump, we can use the formula for the volume of a cylinder, which is given by:
Volume = π * r^2 * h
Given:
Radius (r) = 20 inches
Height (h) = 0.7 feet
First, let's convert the height from feet to inches since the radius is already in inches. There are 12 inches in 1 foot, so:
Height (h) = 0.7 feet * 12 inches/foot = 8.4 inches
Now, we can substitute the values into the volume formula:
Volume = π * (20 inches)^2 * 8.4 inches
Calculating the volume:
Volume = 3.14159 * (20 inches)^2 * 8.4 inches
≈ 3.14159 * 400 inches^2 * 8.4 inches
≈ 1005.3096 cubic inches
Rounding the volume to the nearest tenth:
Volume ≈ 1005.3 cubic inches
Therefore, the volume of the tree stump is approximately 1005.3 cubic inches when rounded to the nearest tenth.
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Insert one term between -13 and -119 to create an arithmetic sequence of three terms.
Answer:
-66
Step-by-step explanation:
- 13, ____, -119
first, find the common difference:
-13 - (-119) = 106
next, divide 106 by 2: \(\frac{106}{2}\) = 53
so, the common difference is 53.
now, subtract 53 from -13:
-13 - 53 = -66
Answer:
-66
Step-by-step explanation:
the sequence goes -13,-66,-119
just subtract with 53
(decreasing arithmetic sequence)
polygon h is a scaled factor of polygon g using a scale factor of 1/4
The fraction of the area of polygon H of polygon G's area would be: 1/16.
What are Similar Polygons?When a polygon is formed by enlarging or reducing an original polygon by a scale factor, the new polygon formed is similar to the original polygon.
What is a Scale Factor?The scale factor = new dimension/original dimension
Given that polygon H is the new polygon formed when polygon G is reduced by a scale factor of 1/4, thus, we would have the following:
Area of polygon H/Area of polygon G = square of the side of polygon H/square of the side of polygon G = square of the scale factor of dilation
Area of polygon H/Area of polygon G = 1²/4² = 1/16
This implies that the area of polygon G is 16 units² while the area of polygon H is 1 units².
Thus, the fraction of the area of polygon H of polygon G's area would be: 1/16.
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8) find the values of c that satisfy Rolle's Theorem.
SHOW STEPS
Hence the value of c = 4 in [3,5] for Rolles theorem.
Rolle's Principle
If a function f is defined in the closed interval [a, b] in a manner that meets the requirements listed below.
The interval [a, b] is closed and the function f is continuous.
ii) On the open interval, the function f can be differentiated (a, b)
iii) If f (a) = f (b), then at least one value of x exists; in this case, let's assume that this value is c, which is situated between a and b, i.e. (a c b), in such a way that f'(c) = 0.
There exists a point x = c in (a, b) such that f'(c) = 0 if a function is continuous on the closed interval [a, b] and differentiable on the open interval (a, b).
let f(x)=x²-8x+12 in [3,5]
i) f(x) is continuous in closed interval [3,5] because f(x) is algebraic function.
ii) f(x) is differentiable in the open interval (3,5) since the algebraic function is differentiable.
now f(3)=3²-8*3+12
f(3)= 9-24+12
f(3)= -3
f(5) = 25-40+12
f(5)= - 3
f(3) = f(5)
f'(x)= 2x-8
x=c ,c in [3,5]
f'(c)= 2c-8
2c-8=0
c=4
Hence the value of c = 4 in [3,5] for Rolles theorem.
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Aaden wants to get a subscription to an online library. There are two subscription options, one of which charges a fixed 96 dollar annual fee and the other which charges 3 dollars per book he borrows.
Here's a graph that shows a system of equations for this scenario where is the number of books Aaden borrows and y is the total cost of the subscription. What does point r represent in this context
The point R in the context refers to the break even point where the cost for aaden is same when either he take the annual fee or borrow
What is referred to as break even point?The break-even point is a term commonly used in business and finance to refer to the point at which total revenue equals total costs, resulting in neither profit nor loss. In other words, it is the level of sales or production volume at which a company or project covers all its expenses and generates zero net income.
At the break-even point, the revenue generated from selling a product or service covers both the variable costs (costs that vary with the level of production, such as raw materials or direct labor)
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Move each shape to the best catergory of the diagram.
Answer:
from left to right, including the triangle placed in the rectangle section already; quadrilateral, polygon, quadrilateral, polygon, quadrilateral, rectangle
please help me with my online classwork!
Answer:
840 cm²---------------------------
There are two triangular faces with base of 16 cm and height of 15 cm and three rectangular faces.
Find the sum of areas of all five faces:
S = 2*(1/2)*16*15 + (17*2 + 16)*12 = 240 + 600 = 840When entering a power, you can use a caret (SHIFT-6).
Enter
as w^5:
Use the fraction tool (fraction tool) to enter the numerator and denominator.
Enter
:
The power expression "w^5" can be entered as "w^5".
To represent a power using the caret symbol, follow these steps:
Start with the base variable or term, in this case, "w".
Type the caret symbol (^), which can be accessed by pressing SHIFT-6 on your keyboard.
Immediately after the caret symbol, enter the exponent or power value, in this case, "5".
The resulting power expression "w^5" represents the variable "w" raised to the power of 5.
Regarding the use of the fraction tool, it is not required to represent the power "w^5" as it does not involve any fraction. The fraction tool is typically used to enter fractions or rational expressions in the form of numerator/denominator.
Therefore, to represent the power "w^5", simply write it as "w^5" without using the fraction tool.
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What is the perpendicular gradient for the equation of a straight line
y=-1/2x+c
Answer:
The perpendicular gradient is 2x
Answer:
The perpendicular gradient is 2x
Step-by-step explanation:
2x because m1×m2=-1 the formula for the perpendicular gradient
For numbers 3, 4, and 5, find the value of the indicated length(s) in ⨀C. A and B are points of tangency. Simplify all radicals.
I just need help with these three problems!
As a result, AB = 52 and AC = BC = 5 as AC and BC are both the circle's radii since A and B are points of tangency .
what is circle ?A circle is a closed object made up of all points in a plane that are separated from the center by a predetermined distance, known as the radius. The diameter is the distance across the circle that passes through its center, while the circumference is the distance around the circle. The ratio of a circle's circumference to its diameter is always pi (), or roughly 3.14. Pi is also known as the proportionality constant. Circles are significant geometric forms that are used frequently in mathematics, science, and daily life.
given
AC and BC are both the circle's radii since A and B are points of tangency. Hence, AC = BC = 5.
We can apply the Pythagorean theorem to segment AB as follows:
\(AB^2 = 52 + 52 \\AB^2 = AC^2 + BC^2\)
AB² = 50
AB = √50 = 5√2
As a result, AB = 52 and AC = BC = 5 as AC and BC are both the circle's radii since A and B are points of tangency .
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What is the slope of the equation y= 5/4x - 7/4? <---(fractions)
–7
-7/4
5/4
5
Answer:
slope is 5/4
Step-by-step explanation:
The equation of the line is written in the form
y = mx+b where m is the slope and b is the y intercept
y = 5/4x -7/4
The slope is 5/4 and the y intercept is -74
Determine the intercepts of the line.
- 4x + 7 = 2y - 3
write bicontional statement
The biconditional statement is: A rectangle is a parallelogram with four right angles if and only if a parallelogram has four right angles.
What is the biconditional statement.The term "if and only if" or biconditional statement refers to a compound statement composed of two conditional statements connected by a logical operator.
This definition is commonly utilized to describe the characteristics of a rectangle when it comes to its correlation with a parallelogram. The opening section of the biconditional statement is comprised of a conditional statement indicating that a rectangle is defined as a parallelogram featuring four right angles.
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Write this definition as a biconditional statement.
A rectangle is a parallelogram with four right angles.
What is the solution to this system of equations. Use any method you choose
y = x + 8
y = 4x-1
Answer:
x = 3, y = 11
Step-by-step explanation:
Use substitution:
\(x + 8 = 4x-1\\\)
Subtract x from both sides
\(8 = 3x - 1\)
Add 1 to both sides
\(9 = 3x\)
Divide both sides by 3
\(x = 3\)
Now substitute x = 3 into the equation y = x + 8
\(y = 3 + 8\)
\(y = 11\)
That means the solution is x = 3, y = 11
Samuel is in the business of manufacturing phones. He must pay a daily fixed cost to
rent the building and equipment, and also pays a cost per phone produced for
materials and labor. The equation C = 225p + 900 can be used to determine the
total cost, in dollars, of producing p phones in a given day. What is the slope of the
equation and what is its interpretation in the context of the problem?
The slope of the function is 225 which represents
the total cost to produce all of the phones
*
attempt 2 out of 2
the total cost to produce all of the phones
the number of phones produced in a day
the fixed cost for rent and equipment
the number of days to produce all of the phones
the additional cost to produce each phone
cy Policy Terms of Service
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Answer:
the additional cost to produce each phone
can you help me please
Hence the correct option is to translate down 2 unit
Transformations can be non-rigid (when the preimage's size or shape is unaltered) or stiff (where the size is changed but the shape remains the same). These are the fundamental guidelines that this concept abides by. It is a straightforward approach to alter 2D forms.
Planar transformations and spaces can be distinguished from one another using the dimensions of the operand sets.
We have the parent function f(X)= x
and transformed function is g(x)= -3f(x+5)-2
the parent function f(x) is translated dawn 2 units and stretched by 5 .
Hence the correct option is to translate down 2 unit
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Help! I’ll reward brainest its pretty easy
2logb - 3logb = log8b - log4b
Answer:
b=1/2
Step-by-step explanation:
2logb - 3logb = log8b - log4b
log\(b^{2}\) - log\(b^{3}\) = log8b - log4b
log(\(\frac{1}{b}\)) = log(2)
∴1/b = 2
∴b = 1/2
Front Elementary School is putting in a new merry-go-round with a diameter of 10.4
10
.
4
feet on the playground. Before the piece can be installed, a solid circular pad of mulch must be put down which extends 3
3
feet beyond the edge of the merry-go-round.
image
What is the approximate area of the mulch around the merry-go-round? Use 3.14
3.14
for π
π
, if required.
The approximate area of the mulch around the merry-go-round is 126.228 feet².
Diameter of the merry go round = 10.4 feet
Radius is half of the diameter.
Radius of the merry go round = 10.4/2 = 5.2 feet
Before the piece can be installed, a solid circular pad of mulch must be put down which extends 3 feet beyond the edge of the merry-go-round.
Radius of the merry go round with mulch = 5.2 + 3 = 8.2 feet
Total area of the merry go round with the mulch is,
Area = π (8.2)² = 67.24π feet²
Area of the merry go round = π (5.2)² = 27.04π feet²
Area of the mulch = 67.24π feet² - 27.04π feet² = 40.2π = 126.228 feet²
Hence the required area is 126.228 feet².
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Determine whether the statement is True of False
The median of Set I is equal to the median of Set II
SET I: 68, 45, 52, 80, 91
SET II: 40, 63, 52, 70, 99
Answer: false
Step-by-step explanation:
The median of each set is the middle term (after the term are arranged in increasing order)
Set I: 45, 52, 68, 80, 91, so median is 68.Set II: 40, 52, 63, 70, 99, so median is 63.Thus, the statement is false.
HELP!!!!! 70 points I keep help
Answer:
The answer is the last one because if the diagonals of a quadrilateral bisect each other then it's a parallelogram.
Answer:
Last answer choice
Step-by-step explanation:
One of the prerequisites for a quadrilateral to be a parallelogram is for the diagonals to bisect each other. Since K is the midpoint, this means that it is halfway between the ends of each of the diagonals, and that they therefore bisect each other. Hope this helps!
if (-2,27) lies on the graph of f, then f( )=_____.
\((\stackrel{x}{-2}~~,~~\stackrel{y}{27}) ~~ \textit{lies on }\textit{\LARGE f}\qquad \textit{so then}\qquad f(\stackrel{x}{-2})~~ = ~~\stackrel{y}{27}\)
if g(x)= 3/4x + 2 , find g(-12)
Answer:
10
Explanation:
The average rate of change is calculated using
∣∣
∣
∣∣¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯aag(b)−g(a)b−aaa∣∣∣−−−−−−−−−−−−−−−
here a = 1 and b = 3
g(3)=2(3)3−4(3)2=54−36=18
and g(1)=2(1)3−4(1)2=2−4=−2
⇒ average rate of change =18−(−2)3−1=202=10
Hope this helped
A municipal bond service has three rating categories (A, B, and C). Suppose that in the past year, of the municipal bonds issued throughout the United States, 70% were rated A, 20% were rated B, and 10% were rated C. Of the municipal bonds rated A, 50% were issued by cities, 40% by suburbs, and 10% by rural areas. Of the municipal bonds issued B, 60% were issued by cities, 20% by suburbs, and 20% by rural areas. Of the municipal bonds rated C, 90% were issued by cities, 5% by suburbs, and 5% by rural areas. a. If a new municipal bond is to be issued by a city, what is the probability that it will receive an A rating? b. What proportion of municipal bonds are issued by cities? c. What proportion of municipal bonds are issued by suburbs?
Answer:
(a) The probability that the new municipal bond issued will receive an A rating given that it was issued by a city is 0.196.
(b) Thus, the probability of municipal bonds issued by suburbs is 0.325.
Step-by-step explanation:
The data provided is as follows:
P (A) = 0.70
P (B) = 0.20
P (C) = 0.10
P (c | A) = 0.50
P (s | A) = 0.40
P (r | A) = 0.10
P (c | B) = 0.60
P (s | B) = 0.20
P (r | B) = 0.20
P (c | C) = 0.90
P (s | C) = 0.05
P (r | C) = 0.05
(a)
The Bayes' theorem states that the conditional probability of an event Y\(_{i}\) given that another event X has already occurred is:
\(P(Y|X)=\frac{P(X|Y)P(Y)}{\sum\limits_{i} {P(X|Y_{i})P(Y_{i})}}\)
Compute the probability that the new municipal bond issued will receive an A rating given that it was issued by a city as follows:
\(P(A|c)=\frac{P(c|A)P(A)}{P(c|A)P(A)+P(c|B)P(B)+P(c|C)P(C)}\)
\(=\frac{(0.50\times 0.70)}{(0.50\times 0.70)+(0.60\times 0.20)+(0.10\times 0.90)}\\\\=\frac{0.35}{0.56}\\\\=0.196\)
Thus, the probability that the new municipal bond issued will receive an A rating given that it was issued by a city is 0.196.
(b)
The law of total probability states that:
\(P(X)=\sum\limits_{i} {P(X|Y_{i})}\)
Compute the probability of municipal bonds issued by suburbs as follows:
\(P(s)=P(s|A)P(A)+P(s|B)P(B)+P(s|C)P(C)\)
\(=(0.40\times 0.70)+(0.20\times 0.20)+(0.10\times 0.05)\\\\=0.28+0.04+0.005\\\\=0.325\)
Thus, the probability of municipal bonds issued by suburbs is 0.325.
If BD bisects ∠ABC, find each value
Answer:
x=14
y=10
AD=19
CD=19
Step-by-step explanation:
x:
5x-6=64
+6 +6
5x=70
x=14
y:
3y-11=y+9
+11 +11
3y=y+20
-y -y
2y=20
y=10
AD:
3y-11
3(10)-11
30-11
19
CD:
y+9
(10)+9
19
Which inequality is graphed below
Answer:
wheres it at?
Step-by-step explanation:
#Everything4Zalo
Determine the turning points and distinguish between them when necessary y=x³ - 3x - 9x + 4
The turning points of the function y = x³ - 3x² - 9x + 4 are (3, -23) and (-1, 9).
To determine the turning points of the given function y = x³ - 3x² - 9x + 4, we need to find the critical points where the derivative of the function is equal to zero.
1. Find the derivative of the function:
y' = 3x² - 6x - 9
2. Set the derivative equal to zero and solve for x:
3x² - 6x - 9 = 0
3. Factorize the quadratic equation:
3(x² - 2x - 3) = 0
4. Solve the quadratic equation by factoring or using the quadratic formula:
(x - 3)(x + 1) = 0
This gives us two possible values for x: x = 3 and x = -1.
5. Substitute these critical points back into the original function to find the corresponding y-values:
For x = 3:
y = (3)³ - 3(3)² - 9(3) + 4
= 27 - 27 - 27 + 4
= -23
For x = -1:
y = (-1)³ - 3(-1)² - 9(-1) + 4
= -1 - 3 + 9 + 4
= 9
6. Therefore, the turning points are (3, -23) and (-1, 9).
Note: It appears that there was a typo in the original equation, where the term "-9x" should have been "-3x²". The above solution assumes the corrected equation.
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HELP HELP FAST FAST QUICK BRAINLIEST
Answer:
the answer is 2 pls mark me brainliest
If you have 100 million dollars and you spend 780 of it what do you have left
Answer:
ninety-nine million nine hundred ninety-nine thousand two hundred twenty
Step-by-step explanation:
Please help, thanks.
-Tornado
Answer:
Conclusion:
-a-1 will be positive.Step-by-step explanation:
Checking -a - 1
From the given line number, we can determine that
The value of a will be negative because it is located on the left side of the origin 0.
i.e. value of a > -2
so
-a - 1 will be positive because if we put the value a = -1.5 let say
then
-a - 1 = -(-1.5) - 1 = 1.5 -1 = 0.5
Therefore, -a-1 will be positive.
Checking -b + 2
As b > 2
putting b = 2.1 (taking the value of b slighly above than 2)
-b+2 = -2.1+2 = -0.1
Therefore, -b + 2 will be negative.
Conclusion:
-a-1 will be positive.