Answers
Answer:
answer on the picture.........
Related Questions
8x + 9y = 3 and x + y = 0
Answers
Answer:
x is 3 and y is -3
Step-by-step explanation:
[tex]x + y = 0 \\ x + y - y = 0 - y \\ x = - y \\ \\ 8x + 9y = 3 \\ (8 \times - y) + 9y = 3 \\ - 8y + 9y = 3 \\ y = 3[/tex]
X = -3
a. Bared an the information in the figure, which of the two cities have nearest to each other?
Select choice
b. Based on the information in the figure, which of the two cities are farthest apart from each other?
Select Choice
c. If you were going to use the information from 5 Sate's sketch to plan a road trip between these cities, what is an assumption that you would have to make?
Select Choice
Answers
The City A and Abilene are nearest to each other
The Austin and Abilene are farthest apart from each other
Here the two angles of the triangle = 59 degrees and 64 degrees
The sum of the angles in a triangle is 180 degrees
Then the third angle will be
59 + 64 + x = 180
123 + x = 180
x = 180 - 123
x = 57 degrees
The third city name is not visible so consider it as city A
Part a
Here the smallest angle is 57 degrees
Opposite side of the angle will be the smallest distance
That is the distance between city A and Abilene
Part b
Here the largest angle is 64 degrees
The opposite side of the angle will be largest distance
That is the distance between Austin and Abilene
Therefore, the City A and Abilene are nearest to each other and Austin and Abilene are farthest apart from each other
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1. A survey of local car dealers revealed that 64% of all cars sold last month had CD players,
28% had alarm systems, and 22% had both CD players and alarm systems.
a.
What is the probability one of these cars selected at random had neither a CD player nor
an alarm system?
b. What is the probability that a car had a CD player unprotected by an alarm system?
C.
What is the probability a car with an alarm system had a CD player?
D.
Are having a CD player and an alarm system disjoint events? Explain.
Answers
64% of all cars sold last month had CD players
28% of all cars sold last month had alarm systems
22% of all cars sold last month had both CD players and alarm systems
a. To find the probability that one of these cars selected at random had neither a CD player nor an alarm system, we need to subtract the probability that it had either a CD player, an alarm system, or both from 1. The probability that a car has either a CD player, an alarm system, or both is the sum of the probabilities of each of these events, which is 64% + 28% - 22% = 70%. Therefore, the probability that a car has neither a CD player nor an alarm system is 1 - 70% = 30%.
b. To find the probability that a car had a CD player but no alarm system, we can subtract the probability that it had both a CD player and an alarm system from the probability that it had a CD player. The probability that a car had both a CD player and an alarm system is 22%, so the probability that a car had a CD player but no alarm system is 64% - 22% = 42%.
c. To find the probability that a car with an alarm system had a CD player, we can use the formula for conditional probability: P(CD player | alarm system) = P(CD player and alarm system) / P(alarm system). The probability that a car had both a CD player and an alarm system is 22%, and the probability that it had an alarm system is 28%, so the probability that a car with an alarm system had a CD player is 22% / 28% = 78.6%.
Which angle is an adjacent interior angle to
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The required adjacent interior angle is the angle angles that lie later or former to the given angle.
Orientation of the one line with respect to the horizontal or other respective line is known as a measure of orientation and this measure is known as the angle.
Here,
Consider a triangle,
In triangle, there are three angles in triangle
Each of the angle is adjacent with the other two lying former and later in the sequence.
Thus, the required adjacent interior angle is the angle angles that lie later or former to the given angle.
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The distance between the points (10, -2) and (4, 6) is 10.
True
False
=
Answers
Answer:
True
Step-by-step explanation:
Use the distance formula: x^2 + y^2 = d^2; where d=distance
x = x2 - x1
y = y2 - y1
(10, -2), (4, 6) ==> (x1=10, y1=-2), (x2=4, y2=6)
x = 4 - 10 ==> plug in 4 for x2 and 10 for x1
x = -6
y = 6 - (-2) ==> plug in 6 for y2 and -2 for y1
y = 6 + 2
y = 8
(-6)^2 + (8)^2 = d^2 ==> plug in x and y back into the distance formula
36 + 64 = d^2
100 = d^2 ==> simplify
d = [tex]\sqrt{100}[/tex]
distance = 10 ==> True
apply dijkstra's algorithm to find the shortest path from vertex a to vertex g in h. for full credit you must show your work, follow dijkstra's algorithm approach explicitly, and indicate both the shortest path and cumulative weight at the end
Answers
On solving the provided question, Mark the remaining distances with infinite and your chosen beginning node with a current distance of 0.
What is Dijkstra's algorithm?In a graph that may, for instance, represent a network of roads, Dijkstra's Method is an algorithm for determining the shortest routes between nodes. Computer scientist Edsger W. Dijkstra created it in 1956, and it was published three years later. Algorithms come in a wide variety.
Here is how the algorithm is described:
Mark the remaining distances with infinite and your chosen beginning node with a current distance of 0.Make current node C the non-visited node with the shortest current distance. You should double the distance between your current node C and each of its neighbors, N, by the weight of the edge that connects C and N. Make it the new current distance of N if it is less than the current distance of N. C is the current node; mark it as visited.
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Use the marginal tax rate chart to answer the question.
Tax Bracket Marginal Tax Rate
$0–$10,275 10%
$10,276–$41,175 12%
$41,176–$89,075 22%
$89,076–$170,050 24%
$170,051–$215,950 32%
$215,951–$539,900 35%
> $539,901 37%
Determine the effective tax rate for a taxable income of $192,700. Round the final answer to the nearest hundredth.
32.00%
21.77%
24.00%
18.57%
PLEASE HELP
Answers
Answer: B. 21.77%
Step-by-step explanation: See picture. I'm currently taking the test right now
Answer:
(b) 21.77%
Step-by-step explanation:
Using the given tax rate table, you want to know the effective tax rate on a taxable income of $192,700.
TaxThe tax will be the sum of the taxes due in each of the brackets. This sum can be simplified to make the tax computation a little less work.
tax = 0.10(10275) +0.12(41175 -10275) +0.22(89075 -41175) +0.24(17050 -89075) +0.32(192700 -170050)
= 10275(0.10 -0.12) +41175(0.12 -0.22) +89075(0.22 -0.24) +170050(0.24 -0.32) +192700(0.32)
= 192700(0.32) -(10275(0.02) +41175(0.10) +89075(0.02) +170050(0.08))
= 192,700(0.32) -19708.50
tax = 41955.50
Effective rateThe tax as a percentage of the taxable income is ...
tax/income × 100% = 41955.50/192700 × 100% ≈ 21.77%
The effective tax rate is about 21.77%.
__
Additional comment
We can use this same idea to simplify the tax table all around. The various tax computations are shown in the second attachment. Interestingly, the tax due is the maximum of the computations for the different brackets. The graph shows the effective tax rate (%) as a function of income. The effective rate for $192,700 is marked.
Because the tax tables are written with discontinuities, there can be some confusion about the amount that fits in each bracket. For example, the tax on 10276 is not 10% of 10275 plus 12% of zero. Rather it is 10% of 10275 plus 12% of (10276 -10275), for a total of $1027.62.
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This is a missing assignment please help.
Answers
Answer:
The answer is A:22
We can start by finding out 5^2 which is just 5 times 5 because it is 5 times itself 2 times (as the little two tells us how many times to multiply 5 by itself). The answer is 25. 25-3=22
5×5-3
=25-3
=22 is the answer
07, The present age of Queens University College is three times that of GAGE University College. After 5 years, the difference of their ages will be 30 years. Find the present ages of Queens and GAGE University College?
Answers
Answer: Thus, the present age of Queens University College is 45 years, and the present age of GAGE University College is 15 years.
Step-by-step explanation: Let Q be the present age of Queens University College and G be the present age of GAGE University College.
Since the present age of Queens University College is three times that of GAGE University College, we can write the equation Q = 3G.
After 5 years, the difference of their ages will be 30 years, so we can write the equation Q + 5 = G + 30.
Substituting the first equation into the second equation, we get 3G + 5 = G + 30.
Solving for G, we find that G = 15.
Substituting this value into the equation Q = 3G, we find that Q = 3 * 15 = 45.
Thus, the present age of Queens University College is 45 years, and the present age of GAGE University College is 15 years.
The Support Vector Classifier includes a tuning parameter C that controls the bias-variance trade-off. Which of the following statements is correct?
a) As C increases, the margin becomes smaller, which increases bias but potentially decreases variance
b) As C increases, the margin becomes smaller, which decreases bias but potentially increases variance
c) As C increases, the margin becomes larger, which increases bias but potentially decreases variance
d) As C increases, the margin becomes larger, which decreases bias but potentially increases variance
Answers
The correct answer is D) As C increases, the margin becomes larger, which decreases bias but potentially increases variance.
In the Support Vector Classifier (SVC), the parameter C controls the trade-off between the model's complexity and the amount of training error that it is allowed to have. A larger value of C means that the model will be more complex, and therefore will have a larger margin.
This will decrease the bias of the model but may increase the variance.
On the other hand, a smaller value of C means that the model will be less complex and will have a smaller margin, which will increase the bias of the model but potentially decrease the variance.
So, in summary, as C increases, the margin becomes larger, which decreases bias but potentially increases variance.
Hence, the correct answer would be an option (D).
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find parametric equations for the tangent line to the curve with the given parametric equations at the specified point. x = 1 + 10. Vt, y+t^5 -t, and z + t^5 + t; (11, 0, 2)?
Answers
Dy/dx = (dy/dt)/(dx/dt) denotes the slope of the tangent line of a parametric curve whose parametric equations are x = /(t) and y = g(t). Wherever dy/dt is zero and dx/dt is zero, a parametric curve has a horizontal tangent.
What is the formula for parametric equations?The x and y coordinates are defined as functions of t when parametric form is used to represent angles: Plot the entire circle by using the equations x = r cos t and y = r sin t. Polar equations are the name given to these parametric equations.
The given x=1+12+ dx=dt 0+12(1) =12
Parametric y Curve is as follows: ts-t dy 5t-1 dt z = ts+t dz dt 5t +1 (dz, dy, dz) = (12, 5t-1, St+1) dt 7 dt dt x = 13 =) When, 1+12 t = 13 12
(x(t), y(t), and z(t)) = (13,0,2) + + (12, 4, 6) x(t), y(t), and 2(t)) = (13+12t, ut, 2+ 6+) x(t) = 13+12t, y(t) = ut, 2(t).
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Full Question = Find parametric equations for the tangent line to the curve with the given parametric equations at the specified point.
x = 1 + 12 t , y = t5 − t, z = t5 + t; (13, 0, 2)
x(t), y(t), z(t) =
One card is selected at random from a deck of cards. What is the probability that the card selected is a spade or a queen?
Answers
the probability that the card selected is a spade or a queen is given by P= 0.25
In a deck, there are:
total card = 52
spade = 13
Required
Determine the probability that a selected card is a spade
This is represented as: P(Spade) and it is calculated using:
P= card / spade
Substitute 13 for Spade and 52 for Cards
P = 13/52
= 0.25
Hence, the required probability is 0.25
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L'expression -6x + 8 est la forme réduite de :
-3x + 3x + 2 *4 ou 2x - 8x *5 + 3 ou 2x - (5x - 6) + (-3x + 2) ou - (3x + 5) + (-2x + 3) - x
Answers
Answer:
2x - (5x - 6) + (-3x + 2)
Step-by-step explanation:
L'expression -6x + 8 est la forme réduite de:
-3x + 3x + 2 *4
= 0x + 8
= 8
pas vrai
__________________________
2x - 8x *5 + 3
= 2x - 40x + 3
= -38x + 3
pas vrai
__________________________
2x - (5x - 6) + (-3x + 2)
=2x - 5x + 6 - 3x + 2
= -6x + 8
Corriger
__________________________
- (3x + 5) + (-2x + 3) - x
= - 3x - 5 - 2x + 3 - x
= - 6x + 2
pas vrai
(veuillez pardonner mon français.)
Please answer these questions!
Answers
Answer:
Step-by-step explanation:
1)
She takes medicine at the moment 0
24(1/2)^0
24 · 1
24 mg
2)
24 (1/2)^1
24 (1/2)
12 mg
what is 24divided by 2
Answers
Answer:12
Step-by-step explanation:
24/2 = 12 bc 12*2=24
find the critical values for a 95% confidence interval using the chi-square distribution with 15 degrees of freedom
Answers
The critical values for a 95% confidence interval using the chi-square distribution with 15 degrees of freedom are roughly 21.02 and 32.36.
The critical value for the 95% confidence interval using the 15 degrees of freedom chi-square distribution is the value that divides the distribution into two;
lower tail and upper tail. These values are calculated such that the area under the curve of the chi-square distribution between the critical values represents 95% of the total area under the curve.
To find critical values, you can use a chi-square table or a computer program that calculates critical values for a given confidence level and degree of freedom.
In this case, the critical value for the 95% confidence interval with 15 degrees of freedom can be determined as follows:
Lower critical value:
The lower critical value is the value corresponding to the area under the chi-square distribution curve to the left of the value, equal to 2.5% (half of 5% not included in the confidence interval). Using a chi-square table or computer program, we can find that the lower critical value for the 95% confidence interval with 15 degrees of freedom is approximately 21.02. Upper critical value:
The upper critical value is the value corresponding to the area under the chi-square distribution curve to the right of the value, equal to 2.5% (half of 5% is not included in the confidence interval).
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Find the solution of y = log(x + 3) and y = 1.
Answers
Answer:
x=7
Step-by-step explanation:
y = log(x + 3) and y = 1.
Substitute y =1 into the equation
1 = log(x + 3)
Raise each side to base 10 since log (x+3) has a base 10 implied
10^1 = 10^ log(x+3)
10 = x+3
Subtract 3 from each side
10-3 = x+3-3
7 =x
Professor Bowdidge taught four business statistics classes during the fall semester with the following grade averages for each class: 74%, 82%, 86%, and 91%. Calculate the mean (round to the nearest hundredth). A. 83.00% B. 83.12% C. 85.00% D. 83.25%
Answers
By using the mean formula, the mean grade across all four classes was 83.25%.
What is mean?The mean is a measure of central tendency that represents the average value of a set of data
What is formula to calculate mean?The formula for calculating the mean:
Mean = (x1 + x2 + x3 + ... + xn) / n
Where:
x1, x2, x3, ..., xn are the individual values in the set
n is the total number of values in the set
Mean = (74 + 82 + 86 + 91) / 4
Mean = 333 / 4
Mean = 83.25
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Jack decides to estimate the volume of a coffee cup by modeling it as a right cylinder. Jack measures its radius as 2.2 cm and its volume as 117 cubic centimeters. Find the height of the cup in centimeters. Round your answer to the nearest tenth if necessary.
Answers
If you find the area of the base circle, and you know the volume, you can find the height.
To find the area of the base circle, we follow the formula a = pi x radius^. 2.2^2 is 4.84, and pi x 4.84 is approximately 15.2 cm^2.
Now we divide the volume by the area, so 117 / 15.2 to get 7.69736842, which we round to the nearest tenth to get 7.7 centimeters.
what is the square root of 10
Answers
Answer:
3 or 3.16227766017
Step-by-step explanation:
It is known that the probability p of tossing heads on an unbalanced coin is either 1/4 or 3/4. The coin is tossed twice and a value for Y , the number of heads, is observed. For each possible value of Y , which of the two values for p (1/4 or 3/4) maximizes the probability that Y = y? Depending on the value of y actually observed, what is the MLE of p?
Answers
On solving the provided question we can say that NILE is not unique for this case
What is Probability?Probability is the possibility or chance that something will happen. Probability = how many different paths there are to success/the total number of events that might occur. A coin flip, for instance, has a 50% chance of coming up heads since there is only one method to acquire a head and there are a total of two possible outcomes (a head or tail). P(heads) = 1/2 is the formula.
Note: the probability is equal to the mass function for Y :2
since, ML criteria, we choose p which maximizes the probability.
If Y 0, L (p) is maximized at p 0.25.
If Y 2, L (p) is maximized at p 0.75.
[tex]But if Y 1, L (p) has the same value at both as shown above; that is,[/tex]
L (0.25) L (0.75) for y — 1.
NILE is not unique for this case
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Someone please help me! Find the cotangent! Thank you!
Answers
The value for cotangent of ∠V is 55.6°.
What is pythagora's theorem?
In a right-angled triangle, the square of the hypotenuse side is equal to the sum of the squares of the other two sides, according to Pythagoras's Theorem. These triangle's three sides are known as the Perpendicular, Base, and Hypotenuse. Due to its position opposite the 90° angle, the hypotenuse in this case is the longest side. When the positive integer sides of a right triangle (let's say sides a, b, and c) are squared, the result is an equation known as a Pythagorean triple.Cotangent = adjacent / opposite
Pythagoras theorem,
WV² = XW² + VW²
9² = x² + (√57)²
x² = 81 - 57
= 24
x = √24
= 4.89
cot (v) = √24 / √57
v = cot⁻¹ (0.6488)
v = 55.6°
Hence, the value for cotangent of ∠V is 55.6°.
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Rewrite as equivalent rational expressions with denominator
Answers
Explanation:
The denominator 2u^2+13u+18 factors into (2u+9)(u+2), so multiply
10/(2u+9)(u+2) x (u-2)/(u-2)=10u-20/(2u+9)(u+2)(u-2)
The denominator 2u^2+5u-18 factors into (2u+9)(u-2), so multiply
5u/(2u+9)((u-2) x (u+2)/(u+2)=5u^2+10u/2u+9)(u+2)(u-2)
5, Brittney is conducting an experiment in class to determine the probability of getting four heads when flip-
four coins. What is the sample space of her experiment?
Answers
Answer:
16 possible outcomes
Step-by-step explanation:
The sample space of Brittney's experiment is the set of all possible outcomes of flipping four coins. Since each coin can either land on heads or tails, there are two possible outcomes for each coin. Therefore, there are a total of 2^4 = 16 possible outcomes for the experiment. These outcomes can be represented as a list, with each outcome represented by a string of four "H"s and "T"s, where "H" represents a heads and "T" represents a tails. For example, one possible outcome of the experiment could be "HHHT" (two heads, one tails, one heads), and another could be "TTTT" (four tails). The complete sample space of Brittney's experiment would include all 16 possible outcomes.
What is the inverse of this function f(x)=-1/2sqrtx+3, x>_-3
Answers
The inverse of the function f(x) = -1/2√x + 3, x ≥ -3 is y = (6 - 2x)²
How to determine the inverse of the functionFrom the question, we have the following parameters that can be used in our computation:
f(x)=-1/2sqrtx+3, x>_-3
Express properly
So, we have
f(x) = -1/2√x + 3, x ≥ -3
Write out the function
f(x) = -1/2√x + 3
Express as an equation
y = -1/2√x + 3
Swap x and y
This gives
x = -1/2√y + 3
Subtract 3 from both sides
-1/2√y = x - 3
So, we have
√y = 6 - 2x
Take the square of both sides
y = (6 - 2x)²
Hence, the inverse is y = (6 - 2x)²
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henry flips 10 coins then lays them on a desk. he then chooses one of the coins at random, and if it is tails, he flips it to heads.
Answers
As per the concept of probability, the probability of getting head is 99.5%.
The term probability in statistics is known as the possible way of getting the particular event.
Here we have given that
And we need to find the probability of getting head.
Here we know that the number of coins is 10.
So, the sample space for the 10 coins is calculated as,
Here we already know that for each of the 10 coin tosses, we have either a head (H) or a tail (T).
so, the total number of probability of 10 coins is 210 strings in the sample space.
Here we know that the only option of all tails doesn't have head in it.
So, the number tosses that have head in it is calculated as,
=> 210 - 1
=> 209
Therefore, the probability is calculated as,
=> P = 209/210
=> P = 0.995
Therefore, the probability in percentage is 99.5%
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A particle moves along line segments from the origin to the points (2, 0, 0), (2, 3, 1), (0, 3, 1), and back to the origin under the influence of the force field
F(x, y, z) = z2i + 3xyj + 5y2k.
Use Stokes' Theorem to find the work done.
Answers
Refer to the images uploaded. Please let me know if this answer works out for you. I also would appreciate a rate :)
The history of melting point data for a certain product indicates that the long-term average melting point has been 95 degrees. It is desired to test to see if the average is still 95 degrees or whether it has changed. a) Set up the statistical test at a 0.01 significance level and draw the conclusion using the sample data that follows: the average of a sample of 16 randomly chosen melting points is 94.32 degrees. Assume that the distribution of melting points is normal with σ = 1.20 . b) What is the critical region for this test, both in terms of the sample average and the z-score?
Answers
As per the desire to test to see if the average is still 95 degrees or whether it has changed. The results will be as follows:
a) The null hypothesis and the alternative hypothesis must be identified before we can set up the statistical test at a 0.01 significance level. The average melting point, which is still 95 degrees, has not altered, according to the null hypothesis. The other theory is that the average melting point, which was 95 degrees, has changed.
Next, we must establish the test's critical value. The critical value will be the amount that corresponds to a p-value of 0.01 because we are choosing a significance level of 0.01. We may use the usual normal distribution to determine the critical value because we are presuming that the melting point distribution is normally distributed with a standard deviation of 1.20.
Using the sample data, we discover that a sample of 16 melting points has an average temperature of 94.32 degrees. A one-sample z-test can be used to examine whether this sample average differs noticeably from the 95 degree long-term average.
where x is the sample average (94.32), is the long-term average (95), σ is the standard deviation of the melting points (1.20), and n is the sample size (16).
Plugging these values into the formula, we get:
z = (94.32 - 95) / (1.20 / √16) = -0.83
We are unable to rule out the null hypothesis because the z-score is smaller than the critical value. As a result, we draw the conclusion that 95 degrees still serve as the average melting point.
b) The range of values that would be deemed statistically significant at the 0.01 significance level constitutes the critical region for this test. The range of values that would be regarded as significantly different from the long-term average of 95 degrees is the critical zone in terms of the sample average. The range of values that would be associated with a p-value of less than 0.01 is known as the critical zone in terms of the z-score.
The required z-score value for a one-sided test with a significance level of 0.01 is 2.326. Therefore, any number more than 2.326 is the critical zone in terms of the z-score. This relates to a range of values that are significantly higher than 95 degrees based on the sample average.
The essential z-score values for a two-sided test with a 0.01 significance level are -2.326 and 2.326. Therefore, any value between -2.326 and 2.326 constitutes the key zone in terms of the z-score. This relates to a range of values that are significantly higher or lower than 95 degrees, based on the sample average.
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Read the following prompt and type your response in the space provided.
Give an example of a problem involving multiplication of fractions that can be made easier using the associative property. Explain how it makes the problem easier.
Answers
One example of a problem involving multiplication of fractions that can be made easier using the associative property is as follows:
Given the expression (2/3) * (4/5) * (6/7), we can use the associative property to rearrange the terms and simplify the expression. Specifically, the associative property states that the order in which we perform operations does not change the result. In this case, we can rearrange the terms as follows:
(2/3) * (4/5) * (6/7) = (4/5) * (2/3) * (6/7)
Then, we can simplify the expression using the commutative property of multiplication (which states that the order of the terms does not affect the result of the multiplication):
(4/5) * (2/3) * (6/7) = (2/3) * (4/5) * (6/7)
Finally, we can simplify the expression by multiplying the fractions:(2/3) * (4/5) * (6/7) = (12/21).
Using the associative property allows us to rearrange the terms and simplify the expression, making the problem easier to solve.
a child is riding in a boat in a 12-m-deep pond. while in the boat he plays with a stone sphere of radius 2.0 cm. a). if the sphere has a mass of 89 g. what is its density?b). if the child holds the sphere under water, what is the difference in pressure between the top and bottom of the sphere?c). as you kne would happen, the child drops the stone sphere in the pond. what is the total pressure exerted on the sphere when it is at the bottom of the pond?
Answers
the total pressure exerted on the sphere when it is at the bottom of the pond is 8∛2 ≈ 10.08
The volume of a hemisphere is given by the formula ...
V = (2/3)πr³
Then the radius is ...
r = ∛(3V/(2π))
r = ∛(3·1071.79/(2·3.14)) ≈ ∛512.00 ≈ 8.00
The radius of Sarah's pond is 8 inches.
We can see from the above that the radius is proportional to the cube root of the volume. If Sarah wants to double the volume, she needs to multiply the radius by ∛2 ≈ 1.260.
The pressure will be 8∛2 ≈ 10.08
learn more about of pressure here
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