The square root of 378 is 19.4422
The square root of a number is a value that, when multiplied by itself, gives the original number. The symbol used to denote the square root is √, and it is placed in front of the number for which we are looking for the square root.
First, let's define what factorial means. The factorial of a non-negative integer is the product of all positive integers less than or equal to that number.
Next, we have to compute the square root of 378, which is a much simpler task. The square root of a number is a value that, when multiplied by itself, gives the original number. For example, the square root of 25 is 5 because 5 x 5 = 25. Using a calculator, we can find that the square root of 378 is approximately 19.4422.
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Complete Question:
What is the square root of 378?
several factors are in- volved in the creation of a confidence interval. among them are the sample size, the level of confidence, and the margin of error. which statements are true?
The statement "The margin of error is a key component of a confidence interval, as it reflects the uncertainty in the estimate due to sampling error." is true
A confidence interval is a range of values that likely contains the true value of a population parameter, such as the mean or proportion. It is created by taking a sample from the population and calculating a point estimate, such as the sample mean or proportion.
To account for this uncertainty, we use the concept of a margin of error, which represents the maximum amount by which the point estimate could be off from the true parameter.
The sample size refers to the number of observations in the sample. The larger the sample size, the more precise the estimate is likely to be, since there is less variability and sampling error.
The level of confidence refers to the degree of certainty that the true parameter lies within the confidence interval. A higher level of confidence means a wider interval, since we need to be more certain that the true parameter is included.
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Help with explanation please
Check the picture below.
[tex]~~~~~~~~~~~~\textit{middle point of 2 points } \\\\ Q(\stackrel{x_1}{-2}~,~\stackrel{y_1}{8})\qquad P(\stackrel{x_2}{6}~,~\stackrel{y_2}{2}) \qquad \left(\cfrac{ x_2 + x_1}{2}~~~ ,~~~ \cfrac{ y_2 + y_1}{2} \right) \\\\\\ \left(\cfrac{ 6 -2}{2}~~~ ,~~~ \cfrac{ 2 +8}{2} \right) \implies \left(\cfrac{ 4 }{2}~~~ ,~~~ \cfrac{ 10 }{2} \right)\implies (2~~,~~5)[/tex]
What are the scaled dimensions of a kitchen with dimensions 6.3m by 4.8, if the kitchen plan is drawn to a scale of 1:500?
The scaled dimensions of the kitchen, given the scale and the measurements, is 1. 26 cm x 0. 96 cm
How to find the scaled dimensions ?1 meter on the scaled drawing would be 500 meters of the actual kitchen. This means that the scaled length would be:
= 6. 3 / 500
= 0. 0126 meters
The scaled width would be:
= 4. 8 / 500
= 0. 0096 meters
This can be converted to centimeters :
= 0. 0126 x 100 cm per meter
= 1. 26 cm
= 0. 0096 x 100
= 0. 96 cm
The scale dimensions would be:
1. 26 cm x 0. 96 cm
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excel ran out of resources while attempting to calculate one or more formulas?
This error message typically occurs when Microsoft Excel is unable to perform a calculation due to running out of memory or system resources.
This can happen when a spreadsheet is extremely large, has many complex formulas or when a large number of calculations are performed simultaneously. To resolve the issue, you can try closing other programs and processes running on your computer, increasing the amount of memory allocated to Excel, breaking down a large spreadsheet into smaller spreadsheets, or simplifying the formulas in your spreadsheet. If these steps do not work, you may need to seek assistance from a technical support expert. This error message typically occurs when Microsoft Excel is unable to perform a calculation due to running out of memory or system resources.
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HELP pls will mark you the brainliest
The function that best models the number of game systems sold is
y = 30.5(0.7)ˣ
What is the solution to an equation?
In order to make the equation's equality true, the unknown variables must be given values as a solution. In other words, the definition of a solution is a value or set of values (one for each unknown) that, when used as a replacement for the unknowns, transforms the equation into equality.
Consider the equation :
y = 30.5(0.7)ˣ
Plug in x=0,
y= 30.5(0.7)⁰ = 30.5 *1 = 30.5
The point is (0,30.5)
Similarly, when we plug in x=1 and x=2, we get y=21.35 and y=14.95 respectively
The other 2 points in (x, y) form are (1,21.35) and (2, 14.95)
These points are matching with the points on the graph
So, the function that best models the number of game systems sold is
y = 30.5(0.7)ˣ
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only 0.02% of credit card holders of a company report the loss or theft of their credit cards each month. the company has 15,000 credit cards in the city of memphis. what is the probability that during the next month in the city of memphis a. no one reports the loss or theft of his or her credit cards? b. every credit card is lost or stolen? c. six people report the loss or theft of their cards? d. at least nine people report the loss or theft of their cards?
a) The probability that no one reports the loss or theft of their credit cards is 0.0498.
b) The probability that every credit card is lost or stolen is practically zero.
c) The probability that exactly six people report the loss or theft of their cards is 0.1042
d) The probability that at least nine people report the loss or theft of their cards is 0.2142
a. To calculate the probability that no one reports the loss or theft of their credit cards, we can use the Poisson distribution with an average of λ = 0.02% * 15,000 = 3.
The probability that no one reports the loss or theft of their credit cards is:
P(X = 0) = e^(-λ) * (λ^0 / 0!) = e^(-3) * (1 / 1) = 0.0498 or approximately 5%.
b. The probability that every credit card is lost or stolen is:
P(X = 15000) = e^(-λ) * (λ^15000 / 15000!)
Since λ is very small, the probability of all 15000 credit cards being lost or stolen in a month is practically zero.
c. To calculate the probability that six people report the loss or theft of their cards, we again use the Poisson distribution with an average of λ = 3.
The probability that exactly six people report the loss or theft of their cards is:
P(X = 6) = e^(-λ) * (λ^6 / 6!) = e^(-3) * (3^6 / 720) = 0.1042 or approximately 10.4%.
d. To calculate the probability that at least nine people report the loss or theft of their cards, we need to sum the probabilities for X = 9, 10, 11, ..., 15, since there are only 15,000 credit cards in total.
The probability that at least nine people report the loss or theft of their cards is:
P(X >= 9) = Σ(i=9 to 15) P(X = i) = Σ(i=9 to 15) e^(-λ) * (λ^i / i!)
This is a tedious calculation to do by hand, but we can use a calculator or software to find that P(X >= 9) is approximately 0.2142 or 21.42%.
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What is the appropriate measure of variation (spread) for these data?
4 7
2 3
4 2
1 3
9 8
5 1
3 2
3 2
4 3
6 5
The appropriate measure of variation (spread) for these data is the standard deviation, which is 2.287.
The appropriate measure of variation (spread) for these data is the standard deviation. Standard deviation is a measure of how much the data values vary from the mean (average) of the data set. It is calculated by taking the square root of the variance, which is the average of the squared differences between each data value and the mean.
To calculate the standard deviation for this data set, follow these steps:
1. Find the mean of the data set by adding up all of the data values and dividing by the total number of values. In this case, the mean is (4 + 7 + 2 + 3 + 4 + 2 + 1 + 3 + 9 + 8 + 5 + 1 + 3 + 2 + 3 + 2 + 4 + 3 + 6 + 5) / 20 = 3.65
2. Find the variance by subtracting the mean from each data value, squaring the result, and then finding the average of these squared differences. The variance for this data set is ((4 - 3.65)^2 + (7 - 3.65)^2 + (2 - 3.65)^2 + ... + (6 - 3.65)^2 + (5 - 3.65)^2) / 20 = 5.2275
3. Take the square root of the variance to find the standard deviation. The standard deviation for this data set is sqrt(5.2275) = 2.287
Therefore, the appropriate measure of variation (spread) for these data is the standard deviation, which is 2.287.
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A radioactive compound with mass 480 grams decays at a rate of 15.1% per hour. Which equation represents how many grams of the compound will remain after 2 hours?
Using the equation [tex]C =a (1 - r)^{t}[/tex] , 179.75 grams will remain after 2 hours
What is Exponential Decay?
Exponential Decay is the process of reducing an amount by a consistent percentage rate over a period of time using the formula [tex]C = a(1-r)^{t}[/tex]
Where a = 480 grams
r = 15.1% = 0.151
t = 2 hours
C = 480(1 - 0.151)^2
C = 480(0.849)^2
C = 346 grams
Therefore, 346 grams will remain after 2 hours
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How do you multiply polynomials step by step?
A polynomial is a mathematical expression consisting of variables, coefficients, and exponents, we can be multiply two polynomials step by step.
Distribute each term of the first polynomial to every term of the second polynomial.
Combine like terms by adding the coefficients of the terms that have the same variables raised to the same powers.
Simplify the result by arranging the terms in descending order of the exponent of the variable.
For example, let's say you want to multiply (2x + 3) and (x - 4):
(2x + 3) * (x - 4) = 2x * x - 2x * 4 + 3 * x - 3 * 4
Simplify the terms: 2x^2 - 8x + 3x - 12
Combine like terms: 2x^2 - 5x - 12
Therefore, the product of (2x + 3) and (x - 4) is 2x^2 - 5x - 12.
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An exponential function, f, passes through the points (-2-4) and (1,10). Which two points would lie on the graph of function g if g(x) = 37(x)?
The two points that would lie on the graph of function g are (-2,-12) and (1,30). The solution has been obtained by using functions.
What is a function?
An association between a number of inputs and a single output for each input is known as a function. A function is often written as f(x), where x stands for the input. A function is typically expressed as y = f(x).
We are given that f(x) passes through the points (-2,-4) and (1,10).
So, it means that
For x = -2, f(-2) = -4
Similarly,
For x = 1, f(1) = 10
We are given g(x) = 3f(x)
So, on substituting the obtained values of f(x) in the g(x) function, we get
For x = -2,
⇒g(-2) = 3f(-2)
⇒g(-2) = 3(-4)
⇒g(-2) = -12
Similarly,
For x = 1,
⇒g(1) = 3f(1)
⇒g(1) = 3(10)
⇒g(1) = 30
Hence, the two points that would lie on the graph are (-2,-12) and (1,30).
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Question: An exponential function, f, passes through the points (-2,-4) and (1,10). Which two points would lie on the graph of function g if g(x)=3f(x)?
The Johnson twins were born seven years after their older sister. This year, the product of the three siblings ages is exactly 2693 more than the sum of their ages. How old are the twins?
The twins are 6 years old, and the oldest sister is 13 years old (since they were born seven years after their older sister).
What age range do twins fall into?7.3% of women under the age of 35. 6.9% of females aged 35 to 37. 6.8% of women aged 38 to 40 were female. 5.1% of females aged 41 to 42.
Starting out, let's assign some variables.
Let x represent the sister's older sister's age in years.
The twins' age is then x – 7. (since they were born seven years after their older sister).
We are told that the product of the three siblings' ages is 2693 more than the sum of their ages. This can be expressed algebraically as:
x(x - 7)(x - 7) = x + (x - 7) + (x - 7) + 2693
Simplifying this equation gives:
x³ - 21x² + 98x - 2693 = 0
We can see that x = 13 is a root of the equation, since:
13³ - 21(13)² + 98(13) - 2693 = 0
This means that (x - 13) is a factor of the equation.
We can use polynomial division or synthetic division to divide the equation by (x - 13) and obtain a quadratic equation:
x² - 8x + 207 = 0
The solutions of this quadratic equation are:
x = (8 ± sqrt(8² - 4(1)(207))) / 2 = 4 ± sqrt(241)
Since x represents the age of the older sister, which must be a positive integer, the only valid solution is:
x = 13
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the cosine and secant functions are ---select--- functions, and the sine, cosecant, tangent, and cotangent functions are ---select--- functions
The sine, cosine, cosecant, and secant functions have a period 2π;
the tangent and cotangent functions have period π.
The pause between any function's repetitions is known as the function's period. The duration of one complete cycle is the period of a trigonometric function. Trigonometric functions include three basic types: sin, cos, and tan, which have periods of -2π, 2π, and π respectively.
If a function repeats itself repeatedly at a predetermined frequency, it is said to be periodic. The formula for t is f(x) = f(x + p), where p is a real number that denotes the period of the function. The period is the interval between two occurrences of the wave.
The complete question is-
The sine, cosine, cosecant, and secant functions have period _______; the tangent and cotangent functions have period _______.
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Jack Tupp, an auto parts dealer, earns 15% commission on his first $2,000 in
auto part sales, and 5% on the balance. Jack sold earned $5,975 worth of
auto parts last week. How much commission did Jack make?
Answer: Jack made $898.25 in commission
Step-by-step explanation:
Jack made $898.25 in commission. ($2,000 x 15%) + ($3,975 x 5%) = $898.25
[tex]5975-2000=3975[/tex] this is the amount jack earns 5% commission on
critical thinking, teamwork, leadership, and professionalism are some of the knowledge competencies needed for career readiness. True or False
Write a linear equation in Slope-Intercept Form to represent the line shown on the graph.
Answer:
y = (4/3)x - 2
Step-by-step explanation:
y intercept is (0, -2)
slope is 4/3
The length of a rectangle is three times
its width. Which expression represents
the perimeter of the rectangle, if w
represents the width of the rectangle?
Heyy! Johnny Sins back with another answer for yall!
Lets see here....
The perimeter of a rectangle can be found by adding the lengths of all four sides. If the length of the rectangle is three times its width, we can write the expression for the length as 3w. Therefore, the expression for the perimeter would be:
P = 2(width) + 2(length)
P = 2w + 2(3w)
P = 2w + 6w
P = 8w
So the perimeter of the rectangle can be represented by the expression 8w.
___________________________________________________________
Pretty easy huh? Well no worries just give me 5 stars and a thanks. 2 buttons. So simple huh?
Love, Johnny Sins :)
A maintenance worker needs to wax a restaurant floor shaped like the image shown.
A six-sided figure. There is a horizontal base of 33 feet then another horizontal base below it of 19 feet. The longest side is to the right and is 37 feet. The top is 28 feet. There is a perpendicular from the vertex of the top to the first base of 33 that is labeled 14 feet.
If the wax cost $1.67 a square foot, how much will the wax cost to cover the floor?
832.50
1,300.10
1,664.99
2,600.19
(Please only the right answer. Thanks!)
The cost to wax the floor will be $2,184.03.
What is the area of any geometrical shape?
The area of a geometrical shape is a measurement of the extent of a two-dimensional surface. It is the measure of the amount of space inside the shape, which can be expressed in square units, such as square inches, square feet, or square meters.
Rectangle: area = length x width
Trapezoid: area = ((base1 + base2) / 2) x height
To find the area of the floor, we need to split the shape into two parts: a trapezoid on top and a rectangle on bottom.
The area of the trapezoid is: (33 + 19) / 2 * 14 = 385 square feet
The area of the rectangle is: 33 * 28 = 924 square feet
The total area is: 385 + 924 = 1309 square feet
Multiplying by the cost per square foot, we get:
1309 * 1.67 = 2184.03
Hence, the cost to wax the floor will be $2,184.03.
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Type the correct answer in the box. round your answer to two decimal places. in a right-angled triangle, the length of altitude a b equals to three units, hypotenuse b c equals to square root of thirteen units, and base a c equals to two units. in this right triangle, the length of the hypotenuse, bc, is units.
The length of the hypotenuse BC in right angled triangle ABC is 3.605 units.
A triangle is said to be right angled if one of its inner angles is 90 degrees, or if any one of its angles is a right angle. Consequently, other names for this triangle include the right triangle and 90-degree triangle.
In right angle triangle if 90 degree angle is A then
[tex]AB^{2} +AC^{2} = BC^{2}[/tex]
And here length of altitude AB equals to 3 units and length of base AC equals to 2 units And here length of hypotenuse BC equals to [tex]\sqrt{13}[/tex] units
[tex]AB^{2} +AC^{2} = BC^{2}[/tex]
[tex]3^{2} +2^{2} = \sqrt{13}[/tex]
[tex]\sqrt{13}[/tex]= 3.60555 unit
And here ans [tex]\sqrt{13}[/tex] is already give what we have to do just calculate the value of [tex]\sqrt{13}[/tex] which is = 3.605
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A right triangle has side lengths 7, 24 and 25as shown below.
Use these lengths to find tan L, sin L, and cos L.
In the given right angle triangle the measure of tanL, sinL, and cosL is 73.74°.
What are trigonometric ratios in terms of a right-angle triangle?We know a right-angled triangle has three sides they are -: Hypotenuse,
Opposite and Adjacent.
We can remember SOH CAH TOA which is,
sin = opposite/hypotenuse, cos = adjecent/hypotenuse and
tan = opposite/adjacent.
Given, A right-angled triangle has side lengths 7, 24, and 25.
Here, Hypotenuse is 25, Adjacent is 7 and opposite is 24.
Now, tan = opposite/adjacent.
tanL = 24/7.
L = tan⁻¹(24/7).
L = 73.74°.
Similarly,
sinL = 24/25.
L = sin⁻¹(24/25).
L = 73.74°.
And,
cosL = 7/25.
L = cos⁻¹(7/25).
L = 73.74°.
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A store purchases battery chargers
from the manufacturer for $10 each.
Calculate the sticker price for the
chargers in order to achieve an 80%
gross margin.
A. $50.00
C. $20.00
B. $12.50
D. $18.00
In order to achieve an 80% gross margin, the store would need to sell the battery chargers for $50 each - A
Finding cost Price of sticker
The gross margin is the difference between the selling price and the cost of the item, expressed as a percentage of the selling price. To achieve an 80% gross margin, we need to set the selling price such that 80% of it represents the profit on the item.
Let's call the selling price of the battery charger S. The profit on the item is S - $10, since that is the cost of the item. So, to achieve an 80% gross margin, we want:
(S - $10) / S = 0.80
Expanding and solving for S:
S - $10 = 0.80S
0.20S = $10
S = $50
So, in order to achieve an 80% gross margin, the store would need to sell the battery chargers for $50 each. That would be the sticker price for the chargers.
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Simplify g³ x g³‼️‼️‼️
Answer:
[tex]g^6[/tex]
Step-by-step explanation:
When multiplying exponents, for example
[tex]x^2 * x^5[/tex]
Their power values are added together to get
[tex]x^2 * x^5 = x * x * x* x* x* x* x = x^7[/tex]
Answer:
[tex]g^6[/tex]
Step-by-step explanation:
because, [tex]g^3*g^3[/tex] is basically [tex]g^(^3^+^3^)[/tex] which is [tex]g^(^6^)[/tex] = [tex]g^6[/tex]
Find the distance between P(6,3) and (8,7)
Answer:[tex]\sqrt{6}[/tex]
Step-by-step explanation:
The distance between 2 points is given by:
[tex]\sqrt{(x2-x1)+(y2-y1)}[/tex]
Let (6,3) be (x1, y1) and (8,7) (x2,y2).
=[tex]\sqrt{(8-6)+(7-3)}[/tex]
=[tex]\sqrt{2+4}[/tex]
=[tex]\sqrt{6}[/tex]
Hope this helps :)
[tex]\sqrt{p^1^2-16p^6+80}[/tex]
A pic down below is given:
2. Mel uses one fourth of a yard of ribbon to make a hair bow. How many hair bows can Mel make with 1 yard of ribbon? show your work and explantion.
Answer:
Step-by-step explanation:
1/4 is one bow.
1/4 *4 is 1 yard.
mel can make 4 bows.
the probability that a specific vulnerability within an organization will be attacked by a threat is known as . a. determinism b. externality c. potential
The probability that a specific vulnerability within an organization will be attacked by a threat is known as potential.
Potential refers to the likelihood that a specific vulnerability in an organization's security will be exploited by a threat actor or attacker. In the field of information security, the concept of potential is used to assess the risk associated with a particular vulnerability.
This risk assessment helps organizations to prioritize their security efforts and allocate resources where they are most needed. Determinism is a philosophical and scientific concept that refers to the idea that events are determined by prior causes, rather than by random chance.
Externality is an economic term that refers to the impact of an economic activity on parties not directly involved in the activity. For example, pollution from a factory may have externalities that affect the health and well-being of people who live near the factory.
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a 5-card poker hand is dealt from a standard deck of cards (with 4 suits, and 13 kinds for each suit (2, 3, 4, 5, 6, 7, 8 , 9, 10, j, q, k, a). how many distinct ways are there to form a hand with two pairs?
A 5-card poker hand is dealt from a standard deck of cards and the number of distinct ways are there to form a hand with two pairs are 1326 ways.
To solve this problem, we got to use permutations and the combinations. Given that a 5-card poker hand is dealt from a standard deck of cards and with 4 suits and there are 13 different kinds for each and every suit and 13 different kinds are 2, 3, 4, 5, 6, 7, 8, 9, 10, j, q, k, a.
Here 4 suits with 13 different kinds for each and every suit , so number of total outcomes are 13*4 = 52
Here we use combinations, and given that a 5-card poker hand is dealt from a standard deck of cards and with 4 suits and there are 13 different kinds for each and every suit and 13 different kinds are 2, 3, 4, 5, 6, 7, 8, 9, 10, j, q, k, a.
The number of distinct ways are there to form a hand with two pairs are given by, C(52,2)
(52 * 51) / 2
(26 * 51)
1326 ways
Therefore, the number of distinct ways are there to form a hand with two pairs are 1326 ways.
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group of up to 40 people are going on a trip to Washington, DC. Some will travel
a van that holds 12 people, and the rest will buy train tickets. Write an inequality
hat can be used to find the number of train tickets that the group will need.
Answer:
y <= 40
Step-by-step explanation:
Let's call the number of people traveling by van "x", and the number of people buying train tickets "y". We know that the total number of people in the group is 40, so we can write the equation:
x + y = 40
And we also know that the van can hold up to 12 people, so we can write the inequality:
0 <= x <= 12
Now, to find the number of train tickets, we just need to substitute
x = 40 - y into the second inequality:
0 <= 40 - y <= 12
Expanding and solving for y, we get:
0 <= 40 - y <= 12
-40 <= -y <= -28
y >= 28
y <= 40
So the number of train tickets needed (y) is equal to or greater than 28 and equal to or less than 40.
Answer:
Inequality: 12 + x ≤ 40
Solution: x ≤ 28
Step-by-step explanation:
Let x be the number of train tickets that the group will need.
As the van holds 12 people and the rest will buy train tickets, an expression for the total number of people is:
12 + xIf the group is up to 40 people then 12 + x will be less than or equal to 40:
12 + x ≤ 40Therefore, the inequality that can be used to find the number of train tickets that the group will need is:
12 + x ≤ 40To solve the inequality, subtract 12 from both sides:
⇒ 12 + x - 12 ≤ 40 - 12
⇒ x ≤ 28
Therefore the number of train tickets that the group will need is less than or equal to 28 tickets.
In aright angle triangle,the measure of one acute angle is 6 more than two times the measure of other acute.
The measure of the smaller acute angle is 26 degrees, and the measure of the larger acute angle is 64 degrees.
Let's call one acute angle x and the other acute angle y.
Since they are both acute angles of a right triangle, we know that their sum is 90 degrees:
x + y = 90
We also know that one angle is 2 times the other angle plus 6:
x = 2(y + 6)
Now we can substitute the second equation into the first equation and solve for y:
x + y = 90
2(y + 6) + y = 90
3y + 12 = 90
3y = 78
y = 26
Now that we have the value of y, we can use the second equation to solve for x:
x = 2(y + 6)
x = 2(26 + 6)
x = 64
Therefore, the measure of the smaller acute angle is y = 26 degrees, and the measure of the larger acute angle is x = 64 degrees.
Correct Question :
In a right triangle, the measure of one acute angle is 2 times the sum of the measure of the other acute angle and 6. find the measure of each acute angle.
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Solve for x. Leave your answer in simplest form
Answer:
Step-by-step explanation:x=28
A math test has 12 multiplication problems and 24 division problems.
What is the ratio value of multiplication problems to total problems?
Answer as a fraction in simplest form.
Answer: 1/3
Step-by-step explanation: The ratio of multiplication problems to total problems is 12:36, which can be simplified to 1:3.
Answer:
A
Step-by-step explanation:
Hi there.
We know this math exam has 12 multiplication and 24 division problems, making the overall exam questions 36 problems. (12+24=36)
The ratio is the fraction equivalent comparison between two variables. In this case, it's multiplication problems over total problems.
We know multiplication problems as 12, and we calculated the total, which is 36.
The answer would be 12/36; but it's divisible by 12 and can be further simplified to 1/3.
Mrs. Thapa wishes to grow flowers on the hanging bowls at her home. She bring hemispherical bowls from the market having internal diameter 21 cm and thickness 0.5 cm each and fills the bowls with compost completely. (i) If 1 cm³ of compost weighs 2.31 gm, find the total weight of required comp (ii) If she covers outer curved surface of each bowl with polythene sheet, find Width of the c Length of the Now the area of Hence, the cost o Also, the area of total amount of polythene.
The total volume of compost required for 16 bowls is 67,493.33 cm³
The total weight of compost required for 16 bowls is 155,906.67 gm
The total amount of polythene required for 16 bowls is: 6400π cm²
How to solve for this(i) The volume of compost required per bowl can be calculated as follows:
V = (4/3)πr^3, where r is the radius of the sphere
The radius of each bowl can be calculated as:
r = (d/2) - t, where d is the diameter (21 cm) and t is the thickness (0.5 cm)
So, r = (21/2) - 0.5 = 10 cm
Plugging the value of r into the formula for volume:
V = (4/3)πr^3 = (4/3)π * 10^3 = 4186.67 cm³
The total volume of compost required for 16 bowls is:
16 * 4186.67 = 67,493.33 cm³
The total weight of compost required for 16 bowls is:
67,493.33 cm³ * 2.31 gm/cm³ = 155,906.67 gm
(ii) To find the total amount of polythene required to cover the outer surface of 16 bowls, we first need to calculate the surface area of one bowl.
The surface area of a sphere can be calculated as follows:
A = 4πr^2
Plugging the value of r into the formula for surface area:
A = 4πr^2 = 4π * 10^2 = 400π cm²
The total amount of polythene required for 16 bowls is:
16 * 400π cm² = 6400π cm²
Read more about surface area here:
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