a. The total of the two sides of the right triangle using Algebraic expression is 3x²+7x-4.
b. The length of the missing side of the triangle is 3x³-4x²-15x+5.
c. If the value of x=2, then the length of the three sides of the triangle is
a=11, b=11 and c= -17.
d. No, it is not possible to have these side lengths for a right triangle.
Define AlgebraAlgebra is a discipline of mathematics that studies symbols and the mathematical operations that can be applied to them. These symbols are referred to as variables because they don't have predetermined values. These values are usually represented in algebra by variables, which are symbols like x, y, z, p, or q. These symbols are also subjected to various addition, subtraction, multiplication, and division arithmetic operations in order to ascertain the values.
a. Let the sides of the right triangle be a, b and c.
Given, one side of the triangle is 2x² + 2x - 1 and
another side is 5x + x² -3.
So, let a = 2x²+2x-1 and b = 5x+x²-3
Now, the total of the two sides= a+b
a+b
=2x²+2x-1 + 5x+x²-3
= 3x²+7x-4
Therefore, the total of the two sides of the right triangle = 3x²+7x-4.
b. Now the perimeter of the triangle is given= 3x³-x²-8x+1.
Given, a+b+c=3x³-x²-8x+1.
We already have a+b, so by simplifying the equation a+b+c=3x³-x²-8x+1
we can find the length of the third side, c.
a+b+c= 3x³-x²-8x+1
⇒3x²+7x-4 +c= 3x³-x²-8x+1
⇒c= 3x³-x²-3x²-8x-7x+1+4
⇒c= 3x³-4x²-15x+5.
Therefore, length of the missing side is 3x³-4x²-15x+5.
c. We have the three sides of the triangle with us which are:
a = 2x²+2x-1
b = 5x+x²-3
c = 3x³-4x²-15x+5
Now putting the value of x as 2 in the equations as follows:
a= 2(2²) +2(2)-1
= 8+4-1
=11
b=5(2) +2²-3
= 10+4-3
=11
c=3(2³)- 4(2²) -15(2) +5
=24-16-30+5
= -17
Therefore, the length of the three sides of the right triangle
are 11, 11 and -17.
d. The sides of the right triangle are.
a = 11
b = 11
c = -17
We know as per the Pythagorean theorem c² = a² + b².
Accordingly, c²= 289 & a² = 121 and b²= 121, a² + b²= 242
which shows that c² is not equal to a² + b².
As, the sides of the triangle does not follow the Pythagorean theorem, so these are not the sides of a right-angle triangle.
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What's the code and how do i solve this?
The code of the puzzle is 75.5 which is the sum of all the sides of the missing triangles.
What are Pythagorean Triples?Pythagorean triples are a collection of three positive numbers that fit into the Pythagorean theorem formula, which is written as, a² + b² = c², where a, b, and c are positive integers.
1.
Substitute the known values in the Pythagorean theorem formula, and solve for a:
a² + 8² = 12²
a² + 64 = 144
a² = 144 - 64
a² = 80
a = √80
a = 8.9
Similarly, solve the length of the missing side of the other triangles.
2. The missing side b = 14.5
3. The missing side c = 10.3
4. The missing side a = 18.8
5. The missing side b = 8
6. The missing side c = 15
Now, the sum of all the sides of the missing triangles as:
8.9 + 14.5 + 10.3 + 18.8 + 8 + 15 = 75.5
Thus, the code of the puzzle is 75.5.
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10. MGSE8.F.2, MGSE8.EE.5, MGSE8.F.3: A reporter collected data on y, the depreciation of a certain
car for various years, x, after it had been purchased new. The equation below was fit to the data.
y = 16,500 -1,500x
Part D Generate a table to show the depreciation over time show all your work
The table to show the depreciation over time for the first three years is:
Year (x) Depreciation (y)
1 $15,000
2 $13,500
3 $12,000
How to calculate the valueIt should be noted that in order to generate a table to show the depreciation over time for the first three years, we can use the given equation:
y = 16,500 - 1,500x
where y is the depreciation and x is the number of years since the car was purchased new.
Substituting x = 1, 2, and 3 into the equation, we get:
When x = 1, y = 16,500 - 1,500(1) = 15,000
When x = 2, y = 16,500 - 1,500(2) = 13,500
When x = 3, y = 16,500 - 1,500(3) = 12,000
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evaluate xy- x 2 - 5x - 4 if x = -1 and y = 6
The value of the expression xy - x² - 5x - 4 when x = -1 and y = 6 is -6.
What is the value of xy - x² - 5x - 4 when x = -1 and y = 6?Given the expression in the question;
xy - x² - 5x - 4
x = -1y = 6To find the value of the expression; substitute in x = -1 and y = 6 for all occurrence of x and y in the expression and simplify.
xy - x² - 5x - 4
Plug in x = -1
(-1)y - (-1)² - 5(-1) - 4
Plug in y = 6
(-1)(6) - (-1)² - 5(-1) - 4
Simplify
-6 - 1 + 5 - 4
Add -6 and -1
-7 + 5 - 4
Add -7 and 5
-2 - 4
Add -2 and -4
-6
Therefore, the value of the expression is -6.
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I need a little help
Answer:
y=-2x+1
Explanation:
you can see that the x goes up by 1 every time. Y goes down by 2 every time, because 1-2=-1, -1-2=-3, etc. So the -2 goes in your m part of y=mx+b. Then you need to figure out what y is when x is 0, for your y-intercept, or your b part of y=mx+b. The picture makes it simpler, showing that when x is 0, y is 1. Therefore, 1 is your b part of y=mx+b. If you put it all together, it looks like this:
Y=-2x+1
Step-by-step explanation:
It looks Iike the equation is in slope intercept form
[tex]y = mx + b[/tex]
m is the slope
b is the y intercept
Finding B is easy, it's just where X = 0. On this table, Y is 1 when X is 0.
Finding the slope. We'll take two different (X,Y) coordinates. Let's do the first two rows (0,1) and (1,-1)
Next we apply the slope formula. That being
[tex]m = \frac{y2 - y1}{x2 - x1} [/tex]
So plugging that in
[tex] = \frac{ - 1 - 1}{1 - 0} [/tex]
That gives you -2/1, also known as -2
Now that we have everything, we can put the forumla together
[tex]y = - 2x + 1[/tex]
Where -2 is the answer that belongs in the [?]
How many terms are there in the expression?
-11 - 7c + 5 - 2x - 13b - 7
The number of terms in the expression -11 - 7c + 5 - 2x - 13b - 7 is 6
What are algebraic expressions?Algebraic expressions are defined as expressions that are composed with coefficients, terms, factors, constants and variables.
They are also known to consist of mathematical operations, such as;
SubtractionMultiplicationDivisionAdditionBracketParenthesesfloor divisionFrom the information given, we have the algebraic expression as;
-11 - 7c + 5 - 2x - 13b - 7
The terms are either single number or variables in the expression. They are six
Hence, the number is 6
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Find the value of the expression
s+2/5
for s = 8 .
Write your answer as a fraction or as a whole or mixed number.
PLS HELP DUE TODAY
i need this done asap
Answer:
1. 4
2. $52
3. $20
4. 58
5. 30
6. 2
7. 132
8. 24
Step-by-step explanation:
1. If he needs 10 feet all together, and only has 6, you can put it in an equation as “6+x=10” because 10 would be the final amount, and he already had 6 feet, so he needs x feet. Then you need to get the x alone in the equation, so you would subtract 6 from both sides. 10-6 is 4, which means x=4. So Phil needs 4 more feet of lumber.
2. Emmet paid $64 in total. Within that total, $12 is for the case. You can set up an equation as either 12+x=64 or 64-12=x, both get the same answer, as shown in the first problem. 64-12 is 52, so that would be your answer.
3. So if he paid $x, 6+14=x. 6 from how much money was spent, 14 from how much was returned. 6+14=20. In total, brandy gave the cashier $20.
4. If the temprature dropped 15 degrees, and it is now 43, all you need to do is undo the dropping. If it didnt drop, it rose. To you need to add 15 to 43, giving you 58. The starting temperature was 58.
5. Her rate per hour is $12. That means if she worked x hours, you would set it up as 12x=m, m being the amount of money she earns. If she earns $360, you plug that in, making it look like 12x=360. Then you do the opposite of multiplication, on both sides, so you decide both sides by 12. On the left it cancels out, on the right 360/12 is 30. That means that Cindy worked for 30 hours.
6. If she used 32 cups and there is 16 cups in a gallon, all you need to do is divide 32 by 16. 32/16 is 2. So Mary used 2 gallons of juice.
7. You can write an equation for this one that looks like x/12=11. X is the total number. From there, you multiply 12 on both sides, giving you 132. That means there are 132 students in the gym class.
8. If there are 4 ping-pong balls in each package and there are 6 packages, all you need to do it multiply 6 by 4. 6 times 4 is 24. So Matthew has 24 ping-pong balls.
write a recursive rule for the sequence: 100,3,97,-94,191
The recursive rule for the sequence is T(n) = T(n - 2) - T(n - 1)
How to determine the recursive rule for the sequence?From the question, we have the following parameters that can be used in our computation:
100, 3 , 97 ,-94 , 191
The above definitions imply that we simply subtract the current from the previous term to get the next term
Using the above as a guide,
So, we have the following representation
T(n) = T(n - 2) - T(n - 1)
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Dr. Powell is a veterinarian. He gave Ruby, one of the cats he is treating, 40 micrograms of
medication. Based on Ruby's size, Dr. Powell expects there will be about 32 micrograms of
medication remaining in her body after one hour. Dr. Powell knows that the amount of
medication remaining in Ruby's body will continue decreasing each hour.
Write an exponential equation in the form y = a(b)* that can model the amount of medication
in Ruby's body, y, x hours after it was administered.
Use whole numbers, decimals, or simplified fractions for the values of a and b.
y = 40(31)*
ola
To the nearest whole number, how many micrograms of medication can Dr. Powell expect to
be remaining in Ruby's body after 4 hours?
micrograms
Submit
Answer: 8 micrograms, y=40-(8)4
Step-by-step explanation: after four hours, 8 (4) micorgrams will stil be in her body
Answer:
the answer is y=40(0.8)^x
16 micrograms
IT NOT EIGHT
Factor 56−16 using the GCF.
56−16=
Answer:
It should be 8...
Step-by-step explanation:
16 / 8 = 2 and there is no higher number 16 that can be divided by. 56 is dividable by 8 so it makes sense.
Also 56 isn't dividable by 16
On Monday, 5 painters took 7 hours and 36 minutes to paint an office.
On Tuesday, 8 painters are painting another office the same size.
a) Assuming the painters work at the same rate, how long will it take 8 painters to paint the office?
Give your answer in hours and minutes.
The 8 painters will take 12 hours and 9.6 minutes to paint the office. The result is obtained by comparing the two variables, worker and time duration.
How to calculate working time for a certain number of workers?On Monday, 5 painters took 7 hours and 36 minutes to paint an office.On Tuesday, 8 painters are painting another office with the same size.If the they work at the same rate, find the time needed for the 8 painters to finish their job!
Let's say
w = number of workerst = time durationWe convert the unit of time in hours.
t₁ = 7 h 36 min
t₁ = (7 + 36/60) h
t₁ = (7 + 0.6) h
t₁ = 7.6 hours
If they work at the same rate, the number of workers and time durations of each day are directly proportional. So,
w₁/w₂ = t₁/t₂
5/8 = 7.6/t₂
t₂ = 8/5 × 7.6
t₂ = 12.16 hours
In hours and minutes,
t₂ = 12 h + (0.16 × 60) min
t₂ = 12 h 9.6 min
Hence, to paint the office, the 8 painters will take 12 hours and 9.6 minutes.
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(6 + 12.5a) − (8 + 2.9a)
0.96a + (−14)
9.6a + (−2)
15.4a + (−2)
15.4a + (−14) PLS HELP
Answer:
9.6a + (-2)
Step-by-step explanation:
(6 + 12.5a) - (8 + 2.9a) Distribute the negative sign
6 + 12.5a - 8 - 2.9a Combine like terms
12.5a - 2.9a +6 - 8
9.6a + (-2)
Given two vertices and the centroid of a triangle , how many possible locations are there for the third vertex?
Answer:i don't realy now so 5 point 3
find each sum by graphing on the complex plane. (-4-4i)+(4+2i)
Answer:
To find the sum of two complex numbers on the complex plane, we can simply add their real and imaginary parts separately. The real part of a complex number is the x-coordinate on the complex plane, while the imaginary part is the y-coordinate.
In this case, the two complex numbers are (-4-4i) and (4+2i). To find their sum, we add their real and imaginary parts separately:
Real part: -4 + 4 = 0
Imaginary part: -4 + 2 = -2
So, the sum of (-4-4i) and (4+2i) is 0 - 2i, which can be represented as a point on the complex plane with x-coordinate 0 and y-coordinate -2.
Step-by-step explanation:
Every year, 4% of people drop out of their course at
SmartyPants University. 3,168 people made it to the end of this
year. How many people started this year?
What is the x-value of the solution to the system of equations shown
below?
-3
-1
1
3
Answer:
-3
Step-by-step explanation:
you can use elimination to remove y from this equation
your first equation will be
4x+10y=-2; and you can multiply the other one by -10
30x-10y=-100
if you add the two equations, 10y and -10y will cancel out and you'll get
34x = -102
divide both sides by 34
x=-3
H
Ex5: Solve for x.(1pt)
D
50°
8.x + 2
F
Em
So, on solving the provided question, we can say that the equation, we have been provided with is x = 48
Equation: What is it?The equal sign (=), which denotes equality, is used to unite two statements in a mathematical equation. In algebra, an equation is a mathematical statement that proves the equality of two mathematical expressions. For instance, the equal sign separates the variables 3x + 5 and 14 in the equation 3x + 5 = 14.
A mathematical formula explains the connection between the two sentences on either side of a letter. There is typically just one variable, which also acts as the symbol. As an illustration, 2x - 4 = 2.
the equation, we have been provided with is
x + 2 = 50
x = 50-2
x = 48
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What is the factored form of 25b²-60b + 36?
O A. (6b-5)²
O B. (5b-6)²
O C. (5b-4)(5b - 9)
OD. (5b-12)(5b - 3)
Answer: B. (5b-6)2
Step-by-step explanation:
Find a possible formula for the trigonometric function whose values are in the following table .
A possible formula for the trigonometric function whose values are in the given table is u(x) = 3cos(πx/2)
What is the possible formula for the trigonometric function whose values are in the following table? .From the table, it is clear that the function has a period of 4 and its maximum value is 6 and minimum value is 0. These observations suggest that the function is a cosine function.The period of cosine function is 2π, so we need to find a constant that will make the period of the function 4, which is half of the period of cosine function. This constant is π/2.The amplitude of the function is 3, which is the difference between its maximum and minimum values. The amplitude of cosine function is 1, so we need to multiply the cosine function by 3 to get the correct amplitude.Putting these together, we get the formula:u(x) = 3cos(πx/2)To learn more about trigonometric function refer:
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****
Identify the transformations that have been applied to the parent function
y=-1/(x-3)²-5.
Select all that apply.
Oshift 3 to the left
stretch
reflection over the x-axis
Oshift 5 up
Oshift 3 to the right
Oshift 5 down
O compression
Answer:
Step-by-step explanation:
The transformations that have been applied to the parent function y = 1/x^2 are:
shift 3 units to the right
shift 5 units down
reflection over the x-axis
So the correct options are:
shift 3 to the right
shift 5 down
reflection over the x-axis
how many different ways are there to create a four-digit even number?
A. 2,000
B. 3,645
C. 4,500
D. 10,000
determine the probability that the first child of clara and charles will be a boy with both albinism and hemophilia.
The probability that the first child of Clara and Charles will be a boy with both albinism and hemophilia is 0%, since neither Clara nor Charles have either of these recessive genetic conditions.
The probability that the first child of Clara and Charles will be a boy with both albinism and hemophilia is 0%. Albinism and hemophilia are both recessive genetic conditions, meaning that both parents must have the recessive gene in order for a child to be born with either condition. Since neither Clara nor Charles have either condition, the probability that their first child will be a boy with both albinism and hemophilia is 0%.
The probability that the first child of Clara and Charles will be a boy with both albinism and hemophilia is 0%, since neither Clara nor Charles have either of these recessive genetic conditions.
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2 A recipe uses 150 g butter, 500 g flour, 50 g su make 18 cakes. How much of each ingredient will be needed to make 72 cakes?
Answer:
600g Butter, 2000g Flour, 200g Sugar
Step-by-step explanation:
First we divide the final number of cakes by the initial
[tex]72 \div 18 = 4[/tex]
Then we multiply each of the ingredients by 4
[tex]150 \times 4 = 600[/tex]
[tex]500 \times 4 = 2000[/tex]
[tex]50 \times 4 = 200[/tex]
A ratio has two or more numbers that symbolize relation to each other. Ratios are used to compare numbers, and you can compare them using division.
The ratio for this problem is:
(Ingredients: number of cakes)
150, 500, 50: 18Therefore, we need to know how many times 18 can fit into 72.
72 ÷ 18 = 4Now, if we know that 18 can be multiplied by 4 to get 72, we need to multiply all of the ingredients by 4.
150 × 4 = 600 (butter)500 × 4 = 2000 (flour)50 × 4 = 200 (sugar)Therefore, if the recipe stays proportional, we will need 600g butter, 200g flour and 200g sugar to make 72 cakes.
Given ABCD is a parallelogram.From B draw a line meets CD at M ; from D draw a line meets BC at N such that BM = DN . Intersection of DN and BM is point I. Prove that IA is a bisector of ∠BID
Given a parallelogram ABCD with points B and D, we draw two lines such that line BM intersects CD at point M and line DN intersects BC at point N, and BM = DN. The intersection of these lines is point I. Our goal is to prove that IA is a bisector of angle BID.
To prove this, we first note that since ABCD is a parallelogram, AB is parallel to CD and AD is parallel to BC. This means that ∠BAD and ∠CDA are congruent, and ∠BAC and ∠DCB are congruent.
Next, we consider triangle ABM. Since BM is perpendicular to AB, we have ∠BAM = 90°. By the same reasoning, we have ∠BID = 90°. This means that IA is perpendicular to both AB and BD.
Since IA is perpendicular to AB and BD, it follows that IA bisects ∠BAD and ∠BDC. Additionally, we know that AB = BD and ∠BAD = ∠BDC, so it follows that IA bisects ∠BID.
This completes the proof that IA is a bisector of ∠BID. The key idea here is that a line perpendicular to two parallel lines bisects the angles formed by the intersection of the two parallel lines with a third line.
In conclusion, given a parallelogram ABCD with points B and D, the intersection of lines BM and DN, point I, is the bisector of angle BID. This result can be used to prove various geometric theorems and helps to understand the properties of parallelograms and their related figures.
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If 9x^2 – 6x + 5 is rewritten as p2 – 2p + 5, what is p in terms of x?
By applying the algebra concept, it can be concluded that p = 3x or p = 2 - 3x.
Algebra is a branch of mathematics that uses symbols and mathematical operations, such as addition, subtraction, multiplication, and division to solve problems.
We want to express p in terms of x of this equation:
9x² – 6x + 5 = p² – 2p + 5
First, we have to eliminate 5, so we have:
9x² – 6x = p² – 2p
Then we add 1 on each side, so we have:
9x² – 6x + 1 = p² – 2p + 1
(3x - 1)² = (p - 1)²
p - 1 = √(3x - 1)²
Thus the solutions are:
p - 1 = 3x - 1 ⇔ p = 3x
or
p - 1 = -(3x - 1) ⇔ p = 2 - 3x
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Determine the value of x in the equation
5/7 x ( x + 2 ) - ( 3/7x ) = 2/7 x ( x + 5 )
A) Infinite solutions
B) No solution
C) x = 1
D) x = 3
Need help trying to get at least a 80
Answer:
B
Step-by-step explanation:
cause the premeter is way around the area
Answer:
B. V = pi*r^2*H/6
Step-by-step explanation:
The formula for the volume of a cone is V=pi*r^2*h/3, where h is the height of the cone, and r is the radius of the base. In this case, the hieght of the cone is equal to half the height of the cylinder, so it's h=H/2
If we substitute, we get
V = pi * r^2 * h / 3 = pi * r^2 * (H / 2) / 3 = pi * r^2 * H / 6
I need help with this question ASP
The greater surface area with similar volume will be of the side, 6ft, 2ft and 2ft.
What is cube?
The term "cube" refers to a solid three-dimensional shape in mathematics or geometry that has six square faces, eight vertices, and twelve edges. It is also asserted to be a conventional hexahedron. You must be familiar with the three-by-three Rubik's cube, which is the most prevalent example in daily life and can help to increase brain capacity. Similar to this, you'll run into a lot of real-world examples, like 6 sided dice, etc. Solid geometry is the study of three-dimensional objects with surface areas and volumes. Cube, cylinder, cone, and sphere are some of the other solid shapes. Here, we'll talk about its definition, attributes, and relevance to mathematics.
In the given box it is given sides are 2, 3 and 4 ft.
So the volume of the rectangular prism is V = 2*3*4 = 24 ft².
So the greater surface area in the given description is 6ft, 2ft and 2ft.
Where the surface area will be 12ft ²
Hence The greater surface area with similar volume will be of the side, 6ft, 2ft and 2ft.
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[tex]\sqrt[4]{\frac{-15}{16} }[/tex]
Need help doing this please. I think it might be simple, just kinda unsure how to do it.
The solution to the expression ⁴√(-15/16) is (-15/16)^1/4
How to simplify the expressionFrom the question, we have the following parameters that can be used in our computation:
⁴√(-15/16)
The above expression means that we calculate the 4th root of -15/16
-15 and 16 do not have perfect fourth roots
This means that the expression can only be rewritten as
(-15/16)^1/4
It cannot be evaluated
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A paperweight, the shape of a hemisphere, fits snugly inside a cylinder-shaped box with a radius of 9 cm. A cone fits snugly inside the paperweight hemisphere.
What is the volume of the cylinder in terms of
? Show all work.
What is the volume of the cone in terms of
? Show all work.
Estimate the volume of the hemisphere in terms of
by calculating the average of the volumes of the cylinder and cone. Show all work.
(a).The volume of the cylinder is 216π [tex]cm^{3}[/tex]
(b). The volume of the cone is 72π [tex]cm^{3}[/tex]
(c). The volume of the hemisphere is 144π [tex]cm^{3}[/tex]
(a). Volume of the cylinder:
The volume of the cylinder is 216π [tex]cm^{3}[/tex]
Since the hemisphere fits snugly inside the cylinder, and the radius of the cylinder is 6 cm, the radius of the hemisphere equals the radius of the cylinder. Also, the height of the cylinder equals the radius of the hemisphere.
So, the volume of the cylinder V = [tex]\pi r^{2} h[/tex] where
r = radius of cylinder = 6 cm and
h = height of cylinder = radius of hemisphere = 6 cm
So, V = [tex]\pi r^{2} h[/tex]
=[tex]\pi r^{2}[/tex]× r
=[tex]\pi r^{3}[/tex]
= π(6 cm)³
= 216π [tex]cm^{3}[/tex]
So, the volume of the cylinder is 216π [tex]cm^{3}[/tex]
(b). Volume of the cone
The volume of the cone is 72π [tex]cm^{3}[/tex]
Since the cone fits snugly inside the same hemisphere, the radius and height of the cone equals the radius of the hemisphere.
So, the volume of the cone V' = [tex]\frac{\pi r^{2} h}{3}[/tex] where
r = radius of cone = 6 cm and
h = height of cone = radius of hemisphere = 6 cm
So, V' = [tex]\frac{\pi r^{2} h}{3}[/tex]
= [tex]\frac{\pi r^{2} *r}{3}[/tex]
= [tex]\frac{\pi r^{3} }{3}[/tex]
=[tex]\frac{ \pi(6 cm)^{3} }{3}[/tex]
[tex]= \frac{216 \pi}{3}cm^{3} = 72 \pi cm^{3}[/tex]
So, the volume of the cone is 72π [tex]cm^{3}[/tex]
(C). Volume of hemisphere
The volume of the hemisphere is 144π cm³
Since the volume of hemisphere, V" equals the averages of the volume of the cylinder, V and volume of the cone, V'
So, V" =[tex]\frac{ (V + V')}{2}[/tex]
V" =[tex]\frac{ (216\pi cm^{3} + 72\pi cm^{3})}{2}[/tex]
V" = [tex]\frac{288\pi cm^{3} }{2}[/tex]
V" = 144π [tex]cm^{3}[/tex]
So, the volume of the hemisphere is 144π [tex]cm^{3}[/tex].
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