The value of radius of cone is,
⇒ r = 6 millimeters
We have to given that;
A cone has a volume of 226.08 cubic millimeters and a height of 6 millimeters.
Now, We know that;
Volume of cone = 1/3πr²h
Hence, We get;
⇒ 226.08 = 1/3 × 3.14 × r² × 6
⇒ r² = 226.08 / 6.28
⇒ r² = 36
⇒ r = 6 millimeters
Thus, The value of radius of cone is,
⇒ r = 6 millimeters
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Complete question is,
A cone has a volume of 226.08 cubic millimeters and a height of 6 millimeters. What is its radius?
One side of a triangles two centimeters shorter than the base. The other side is four centimeters longer than the base. What lengths of the base will allow the perimeter to be greater than 29 cm?
Answer:
x > 9 cm
Explanation:
Let the length of the base = x cm
One side of a triangle is 2 cm shorter than the base.
Length = (x-2)cm
The other side is 4 cm than the base, therefore:
Length of the other side = (x+4)cm
Perimeter = x+(x-2)+(x+4)
If the perimeter is greater than 29, then:
x+(x-2)+(x+4)>29
3x-2+4>29
3x+2>29
3x>29-2
3x>27
x>27/3
x>9
The length of the base greater than 9cm will allow the perimeter to be more than 29 cm.
need help with this problem it’s math so if you know math come on in
Answer:
The line is super close to 15 or 20. So one of those for sure
Step-by-step explanation:
Answer: its got to be 15 because the line isn't on 20
Step-by-step explanation:
33.3% as a fraction please helppppppppppp
Answer:
\(\frac{1}{3}\)
Step-by-step explanation:
1/3 is the fraction form of 33.3% or 0.333
1. Five-sixths of the students in a math class passed the first test. If there are 36 students in the class, how many did not pass the test? *
Answer:
(1/6) of the students did not pass.
Ans: (1/6)30 = 5 of the students did not pass
To solve this question, we need to first figure out, in fractional form, the number of students who did not pass. The problem tells us that 5/6 of the students passed. Therefore, we know that 1/6 of the students did not pass, because 5/6 + 1/6 = 1. So, all we need to do is multiply 1/6 by the total number of students:
1/6 * 36 = 6
So, 6 students did not pass.
If Landon checks his pulse for 12 minutes, what is his rate if he counts 1560 beats?
It is 130 beats per minute.
Step-by-step explanation:
Just divide 1560 by 12.
14 points!! PLEASE HELP MARKING BRAINLIST
Answer:
x = 58.03°
Step-by-step explanation:
Given:
17 cm is the length of the hypotenuse9 cm is the length of the adjacent sideSolve for x:
cos x = adjacent / hypotenusex = \(cos^{-1}(\frac{adjacent}{hypotenuse})\)1. \(x=cos^{-1}(\frac{9}{17})=58.03\)
Answer:
So, the measure of angle x is equal to 58.03.
Please help with this two part question (Calculus)^^
Answer:
1) -0.016 pounds per square inch per cubic inch.
2) \(\displaystyle V'(P)=-\frac{800}{P^2}\)
Step-by-step explanation:
We are given the equation \(PV=800\).
Part A)
We want to determine the average rate of change of P as V increases from 200 cubic inches to 250 cubic inches.
To find the average rate of change between two points, we find the slope between them.
Rewrite the given equation as a function of V:
\(\displaystyle P(V)=\frac{800}{V}\)
Hence, the average rate of change for V = 200 and V = 250 is:
\(\displaystyle \begin{aligned} m &= \frac{P(250) - P(200)}{250 - 200} \\ \\ & = \frac{3.2 - 4}{250 - 200} \\ \\ & = -0.016\end{aligned}\)
Therefore, the average rate of change is -0.016 pounds per square inch per cubic inch.
Part B)
We want to express V as a function of P. This can be done through simple division:
\(\displaystyle V(P)=\frac{800}{P}\)
We want to show that the instantaneous change of V with respect to P is inversely proportional to the square of P. So, let's take the derivative of both sides with respect to P:
\(\displaystyle \frac{d}{dP}\left[V(P)\right]=\frac{d}{dP}\left[\frac{800}{P}\right]\)
Differentiate. Note that 1/P is equivalent to P⁻¹. This allows for a simple Power Rule:
\(\displaystyle \begin{aligned} V'(P) & = 800\frac{d}{dP}\left[ P^{-1}\right] \\ \\ & = -800(P^{-2}) \\ \\ & = -\frac{800}{P^2}\end{aligned}\)
Therefore, the instantaneous change of V is indeed inversely proportional to the square of P.
Make r the subject of t =6r^2 + 12t
\(\sf \dashrightarrow t = 6r^2 + 12t\)
\(\sf \dashrightarrow -6r^2 = 12t-t\)
\(\sf \dashrightarrow -6r^2 = 11t\)
\(\sf \dashrightarrow 6r^2 = -11t\)
\(\sf \dashrightarrow r^2 = -\dfrac{11t}{6}\)
\(\sf \dashrightarrow r = \pm \sqrt{-\dfrac{11t}{6} }\)
\(\dashrightarrow \sf r=\pm i\sqrt{\dfrac{11t}{6}}\)
Desperate Need Of Help
The domain and range of the graph above in interval notation include the following:
Domain = [-6, 3]
Range = [-3, 3]
What is a domain?In Mathematics and Geometry, a domain refers to the set of all real numbers (x-values) for which a particular function (equation) is defined.
In Mathematics and Geometry, the horizontal portion of any graph is used to represent all domain values and they are both read and written from smaller to larger numerical values, which simply means from the left of any graph to the right.
By critically observing the graph shown in the image attached above, we can reasonably and logically deduce the following domain and range:
Domain = [-6, 3] or -6 ≤ x < 3.
Range = [-3, 3] or -3 < y < 3
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8 times the difference between b and 4 in a variable expression
Answer:
8( b - 4 )
Step-by-step explanation:
8 x ( b - 4 )
8( b - 4 )
I hope this helps!
Out of 200 students in a senior class, 32 seniors are in the band and 64 seniors are in the band or on the honor roll. What is the probability that a randomly selected senior is both in the band and on the honor roll? Express your answer a fraction in simplest form.
The Probability that a randomly selected senior is both in the band and on the honor roll is 8/25.
To find the probability that a randomly selected senior is both in the band and on the honor roll, we need to divide the number of seniors who are in both categories by the total number of seniors.
Given:
Total number of seniors = 200
Number of seniors in the band = 32
Number of seniors in the band or on the honor roll = 64
Let's calculate the probability using these values:
Probability = Number of seniors in both categories / Total number of seniors
Probability = 64 / 200
To simplify this fraction, we can divide both the numerator and denominator by their greatest common divisor, which is 8:
Probability = (64 ÷ 8) / (200 ÷ 8)
Probability = 8 / 25
Therefore, the probability that a randomly selected senior is both in the band and on the honor roll is 8/25.
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derek borrowed at 10% per annum coumpounded quarterly. how much money he repay after 5 years
The total amount Derek repaid after 5 years of quarterly payments at 10% per annum is $12,829.40.
How are the quarterly payments determined?The quarterly payments represent periodic payments made every three months to offset the credit.
The periodic payments can be computed using an online finance calculator.
Where the periodic payment is given, the total payment made can be determined as the product of the periodic payments and the number of periods involved.
N (# of periods) = 20 quarters (5 years x 4)
I/Y (Interest per year) = 10%
PV (Present Value) = $10,000
PMT (Periodic Payment) = $-641.47
Results:
FV = $-0.03
Sum of all periodic payments = $-12,829.40
Total Interest = $2,829.43
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Question Completion:Derek borrowed $10,000 at 10% per annum compounded quarterly and repays $641.47 quarterly. How much money did he repay after 5 years?
Write the equation in function form:
8x + 4y = 20
question 5: which expression
is equivalent to 0.2(3x-4)?
The equivalent expression to 0.2(3x-4) is 0.6x - 0.8.
What is expression?A mathematical operation such as subtraction, addition, multiplication, or division is used to combine terms into an expression. In a mathematical expression, the following terms are used:
An absolute numerical number is referred to as a constant.Variable: A symbol without a set value is referred to as a variable.Term: A term can be made up of a single constant, a single variable, or a mix of variables and constants multiplied or divided.Coefficient: In an expression, a coefficient is a number that is multiplied by a variable.Given:
Expression: 0.2(3x-4)
Now, using the distributive property we have
= 0.2(3x-4)
= 0.2(3x)- 0.2(4)
= 0.6x - 0.8
Hence, the equivalent expression is 0.6x - 0.8.
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What is quotient of 5 and 4/5
Answer:
I think its 6.25 (6 and 1/4) but I'm not a teacher or anything so it may be incorrect.
how to write expression for The product of ten less than a number and the number
Answer:
x-10
Step-by-step explanation:
ten is less than x
follow me for more answer
Complete the following table given this information: (Do not round intermediate calculations.) Cost of machine $ 94,000 Residual value $ 4,000 Useful life 5 years Estimated units machine will produce 100,000 Actual production: Year 1 60,000
Year 2 15,000 Use MACRS table.
Straight line method?
Units of production?
Declining balance?
MACRS (5-year class)
The completion of the following table under different depreciation methods is as follows:
Depreciation Expense:Method Year 1 Year 2
Straight line $18,000 $18,000
Units of production $54,000 $13,500
Declining balance $37,600 $22,560
MACRS (5-year class) $18,800 $30,080
Data and Calculations:Cost of machine = $94,000
Residual value = $4,000
Depreciable value = $90,000 ($94,000 - $4,000)
Estimated useful life = 5 years
Depreciation expense:
Straight-line method = $18,000 ($90,000/5)
Estimated units of produciton = 100,000
Unit depreciation rate = $0.90
Actual production Depreciation
Year 1 = 60,000 $54,000 ($0.90 x 60,000)
Year 2 = 15,000 $13,500 ($0.90 x 15,000)
Declining Balance:
Year 1 = $37,600 ($94,000 x 40%)
Year 2 = $22,560 ($94,000 - $37,600) x 40%
MACRS:
Year 1 = $18,800 ($94,000 x 20%)
Year 2 = $30,080 ($94,000 x 32%)
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Espa Maya's chocolate bar is 29% cocoa. If the weight of the chocolate bar is 67 grams, how many grams of cocoa does it contain? Round your answer to the nearest tenth.
Answer:
19.4 g (rounded to the nearest tenth)
Step-by-step explanation:
Convert the percentage to a decimal by dividing by 100:
29% = 29/100 = 0.29
To find 29% of 67, multiply the decimal percentage by the total amount:
0.29 x 67 = 19.43
= 19.4 g (rounded to the nearest tenth)
There are 5 members on a board of directors. If they must elect a chairperson, a secretary, and a treasurer, how many different slates of candidates are possible?
Answer:
60
Step-by-step explanation:
To begin, we can look at combinations and permutations. A permutation or combination is when we need to find how many possibilities there are to choose a certain amount of objects (in this case, candidates) given an array of options (members on the board)
Combinations are when the order doesn't matter, and permutations are when the order does matter. Here, we know that we care whether someone is chairperson or secretary. If we were to just choose three for an "elite" board, and there were no specific positions in the board, then order would not matter. However, because it does matter which person gets which role, order does matter.
Assuming that someone cannot have more than one role, we know that this is a permutation without repetition. The formula for this is
(n!) / (n-r)!, where we have to choose from n number of people and choose r number of people. We have 5 members to choose from, and 3 people to choose, making our equation
(5!) / (5-3)! = 120 / 2! = 120/2 = 60
Help me please and thank you..
Answer:
You will move each point of this shape 1 unit into the right. Then will move each point of this shape 2 units down. The draw line between each point.75x+30y=1500. Solve for x and y
For the equation 75x+30y=1500, x is (100 - 2y) / 5 and y is (100 - 5x) / 2.
Describe Equation?An equation is a mathematical statement that uses symbols and numbers to express a relationship between two or more variables. It states that two expressions are equal to each other.
We can solve for x and y in the equation 75x + 30y = 1500 by using algebraic manipulation.
First, we can simplify the equation by dividing both sides by the greatest common factor of 75 and 30, which is 15:
(75x + 30y) / 15 = 1500 / 15
Simplifying the left side gives:
5x + 2y = 100
Next, we can isolate one of the variables. Let's isolate y by subtracting 5x from both sides:
5x + 2y - 5x = 100 - 5x
Simplifying the left side gives:
2y = 100 - 5x
by dividing both sides by 2:
y = (100 - 5x) / 2
This is the equation for y in terms of x. We can use this equation to solve for y given a value of x, or we can substitute it back into the original equation to solve for x in terms of y.
Let's solve for x in terms of y by isolating x in the equation 5x + 2y = 100:
5x = 100 - 2y
Dividing both sides by 5 gives:
x = (100 - 2y) / 5
This is the equation for x in terms of y. We can use this equation to solve for x given a value of y, or we can substitute it back into the original equation to solve for y in terms of x.
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Find the perimeter of this shape
The perimeter of the given shape as represented in the task content is; 29 cm.
What is the perimeter of the given shape?It follows from the task content that the perimeter of the given shape on the centimeter grid as required is to be determined.
Since each grid line has 1cm as it's length;
The perimeter of the shape is the sum of all side lengths of the shape;
Perimeter, P = 6+2+3+2+2+1+3+2+2+2+2+1
P = 29 cm
Hence, the perimeter of the shape is; 29 cm.
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Signature of the Principle investigator on the final proposal implies his responsibility for the following except
The signature of the Principal Investigator on the final proposal does not imply responsibility for the availability of funding or the financial aspects of the project.
The signature of the Principal Investigator (PI) on the final proposal does not imply responsibility for certain aspects of the project beyond their control or expertise. While the PI plays a crucial role in leading and overseeing the research project, there are certain areas for which they may not bear direct responsibility.One aspect the PI may not be responsible for is the availability of funding. Although they may have been involved in securing the initial funding or writing the budget proposal, the final decision and availability of funds typically lie with funding agencies, institutions, or sponsors. The PI's signature on the proposal signifies their commitment to the project but does not guarantee funding.Additionally, the PI may not be accountable for the technical or scientific success of every aspect of the project. Research projects often involve interdisciplinary collaborations and multiple team members who contribute their expertise. The PI's signature signifies their leadership and overall responsibility, but they rely on the expertise and contributions of other team members for specific tasks and outcomes.Furthermore, the PI may not bear sole responsibility for external factors that can impact the project, such as changes in regulations, unforeseen events, or external market conditions. While they may adapt the project's direction and approach as needed, these external factors are beyond their direct control.In summary, the signature of the Principal Investigator on the final proposal does not imply responsibility for funding availability, technical success of every aspect, or external factors that may influence the project. The PI's role is primarily centered around leadership, coordination, and overall project management.The complete question should be What does the signature of the Principal Investigator on the final proposal NOT imply responsibility for?
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solve problems 12 and 14 with steps for both of them
Applying the necessary circle theorem, the measures of the missing angles are: 12. m<KJL = 115 degrees. 14. 76 degrees.
How to Apply Circle Theorems?12. The circle theorem to apply is the angle of intersecting chords theorem, which states that:
m<KJL = 1/2(measure of arc KL + measure of arc MT)
Plug in the values:
m<KJL = 1/2(160 + 70)
m<KJL = 115 degrees.
14. The circle theorem to apply is the tangent theorem:
this means that the tangents form right angles with the radii of the circle, therefore:
Measure of the indicated angle = 360 - 90 - 90 - 104 = 76 degrees.
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what is the weight of a 55 kg person on earth where the acceleration due to gravity is 9.8m/s²
Answer:
The weight of an object is the force of gravity exerted on that object. The mass of an object is the amount of matter it has, and it stays the same wherever you are, regardless of gravity.[1] That's why an object that has 20 kilograms of mass on earth also has 20 kilograms of mass while on the moon, even though it would only weigh 1/6 as much. It weighs 1/6 as much on the moon because the force of gravity on the moon is 1/6 of what it is on Earth.
Step-by-step explanation:
Answer:
your mother
Step-by-step explanation:
The logical answer would be your mother because 9.8m/s^2 x 55 would equal your mother weight, 539 squared pounds.
A mover places a cylindrical container on a dolly, as shown. Calculate the angle of elevation, U,
from the base of the dolly to the ground.
A. 52.0°
B. 38.0°
C. 38.6°
D. 51.4°
Check the picture below.
\(\sin( \theta )=\cfrac{\stackrel{opposite}{0.5}}{\underset{hypotenuse}{0.64}} \implies \sin^{-1}(~~\sin( \theta )~~) =\sin^{-1}\left( \cfrac{0.5}{0.64} \right) \\\\\\ \theta =\sin^{-1}\left( \cfrac{0.5}{0.64} \right)\implies \theta \approx 51.4^o\)
Make sure your calculator is in Degree mode.
1/3 times 1/4? Please help
Answer:
1/12
Step-by-step explanation:
Answer:
1/12
Just multiple 1×1 and 3×4
i need the answer to this (help pls)
1. The initial population size will be 2,996.
2. The function represent the exponential growth.
3. The change in percent of the population size in each hour will be 7%.
What is an expression?
Mathematical expression is defined as the collection of the numbers variables and functions by using operations like addition, subtraction, multiplication, and division.
Given that;
The population size P (t) after t hours is given by the exponential function,
⇒ \(P (t) = 2800 (1.07)^t\)
Now,
Since, The population size P (t) after t hours is given by the exponential function,
⇒ \(P (t) = 2800 (1.07)^t\)
Hence, The initial population size = 2800 x (1.07)¹
= 2,996
And, Here the number 1.07 > 1.
So, The function represent the exponential growth.
Here, e population size P (t) after t hours is given by the exponential function,
⇒ \(P (t) = 2800 (1.07)^t\)
And, The initial population size = 2,996
And, Put t = 2,
⇒ P (t) = 2800 × 1.07²
= 3,205.72
So, The change in percent of the population size in each hour will be;
= (3205.7 - 2,996) / 2996 x 100
= 7%
Thus, The change in percent of the population size in each hour will be 7%.
Therefore,
1. The initial population size will be 2996.
2. The function represent the exponential growth.
3. The change in percent of the population size in each hour will be 7%.
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The XYZ Company tested a new product and found its lifetime to be normally distributed, with a mean life of 146 days and a standard deviation of 19.5 days. What is the probability that a product selected at random will last longer than 166 days?
The probability that a randomly selected product will last longer than 166 days is approximately 0.1492, οr 14.92%.
What is probability?The probability οf an event οccurring is defined by probability. There are many instances in real life where we may need to make predictions about how something will turn οut.
We can use the standard normal distribution to answer this question.
z = (x - μ) / σ
For x = 166, μ = 146, and σ = 19.5, we have:
z = (166 - 146) / 19.5
z = 1.03
Using a standard normal distribution table, we can find that the area to the right οf z = 1.03 is approximately 0.1492.
Therefore, the probability that a randomly selected product will last longer than 166 days is approximately 0.1492, οr 14.92%.
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A manufacturing company has 5 vice presidents: Andrew, Beth, Charles, Diane, and Eric.
Their regional responsibilities are shown in the table.
Vice President Regional Responsibility
Andrew East
Beth East
Charles East
Diane West
Eric West
The president of the company wants to randomly select 2 of the 5 vice presidents to send to a conference. How many distinct groups of 2 vice presidents can be selected without replacement from this small population of 5 vice presidents?
2
4
5
10
Use the combination formula.
5 C2 = 5!/5!3! = 10
The answer is 10
Answer:
10
Step-by-step explanation: