Answer:
2.5 X z = 10
z stands for the unknown number that is multiplied by 2.5 to equal 10
City Hospital reported 49 deaths in June. There were 489 discharges. Eight of those deaths occurred within 48 hours of admission. What is the gross death rate?
The gross death rate is 8.38%.
What is a Rate?
A rate is a measure of the frequency of an event or occurrence in relation to a specific population or time period. Rates are often expressed in terms of units per time or per population, such as cases per 100,000 people or births per year.
The gross death rate is the number of deaths in a given time period divided by the total population or, in this case, the total number of discharges.
To calculate the gross death rate for City Hospital in June, we need to subtract the eight deaths that occurred within 48 hours of admission from the total number of deaths:
Total deaths = 49 - 8 = 41
Then, we divide the total number of deaths (41) by the total number of discharges (489) and multiply by 100 to get the rate per 100 discharges:
Gross death rate = (41 ÷ 489) x 100 = 8.38%
Therefore, the gross death rate for City Hospital in June is 8.38%.
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graph of f(x)=0.5(4)^x
The graph of the exponential function is on the image at the end.
How to find the graph of the exponential function?Here we want to graph the function:
f(x) = 0.5*(4)ˣ
To graph this (or any function) we can find some points on the function, and to do so, we need to evaluate it.
when x = 0:
f(0) = 0.5*(4)⁰ = 0.5
Then the point is (0, 0.5)
when x = 1
f(1) = 0.5*(4)¹ = 2
So we have the point (1, 2)
if x = 2
f(2) = 0.5*(4)² = 8
So we have the point (2, 8)
Now we can graph these points and connect them with a general exponential curve.
The graph of the exponential function is shown below.
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hi I dont really understand
Answer:
Option 2
Step-by-step explanation:
The length is unknown, so it is l for now. A rectangle has 2 lengths and widths, so the values are 2w and 2l. The sum of 2w and 2l have to be greater than or equal to 776, so the answer is option 2. If you solve the inequality, the length is equal to or greater than 355
NEED QUICK 50 POINTS
Answer:
y = 80
x = 5
Hope this helped :)
Step-by-step explanation:
Lets say x + 5 so,
y = 8(5) + 12
y = 40 + 12
y = 52 so now we go back to the top equation which would be,
16(5) - 2(52) = -24
80 - 2(52) = -24
80 - 104 = -24, true
Therefore, any number you put in will still get you -24 so your answer is correct if you do substitution right.
Answer:
y = 80
x = 5
Hope this helped :)
Step-by-step explanation:
Lets say x + 5 so,
y = 8(5) + 12
y = 40 + 12
y = 52 so now we go back to the top equation which would be,
16(5) - 2(52) = -24
80 - 2(52) = -24
80 - 104 = -24, true
Therefore, any number you put in will still get you -24 so your answer is correct if you do substitution right.
GIVING BRAINLIEST AND 39 points I3. Pls help with all !Which cellular process occurs within the
organelle shown above? sc.8.L.18.2
A cellular respiration
B photosynthesis
C transport of phloem
D transport of xylem
when a certain unfair die is rolled, an even number is times as likely to appear as an odd number. the die is rolled twice. what is the probability that the sum of the numbers rolled is even?
The probability that the sum of the numbers rolled on the dice is even =1/2.
What is referred as probability?A probability is a measure of the magnitude of the likelihood or chance that a specific event will take place. Both proportions ranging from 0 to 1 and percentages including several from 0% to 100% can be used to describe probabilities.For the given question,
A fair dice is rolled twice.
Six different results are available with a single roll of the dice (1,2,3,4,5,6)
Therefore, if two dice are rolled, there are a total of 36 possible results, or 6².
Sample space for the sum of even = [(1,1), (1,3), (1,5), (2,2), (2, 4),(2,6), (3, 1), (3,3),(3,5),(4,2),(4,4),(4,6), (5, 1), (5,3),(5,5),(6,2),(6,4),(6,6)]
Total sample space for sum of even = 18
For the probability that the sum of the numbers rolled is even is -
probability (sum is even) = 18 / 36 = 1/2
Thus, the probability that the sum of the numbers rolled is even is 1/2.
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Which of the following systems has (8,−3) as a solution?
a. {4x−3y=23
2x+5y=31
b. {4x+3y=23
2x−5y=−31
c. {3x+4y=−23
2x+5y=−31
d. {4x+3y=23
2x−5y=31
The correct system of equations that has (8,−3) as a solution is option B.
Let's substitute the values x = 8 and y = −3 into the equations of each option to check if they satisfy the system of equations.
a. {4x−3y=23
2x+5y=31
Substituting x = 8 and y = −3 into the first equation:
4(8) − 3(-3) = 23
32 + 9 = 23 (not true)
Substituting x = 8 and y = −3 into the second equation:
2(8) + 5(-3) = 31
16 - 15 = 31 (not true)
b. {4x+3y=23
2x−5y=−31
Substituting x = 8 and y = −3 into the first equation:
4(8) + 3(-3) = 23
32 - 9 = 23 (true)
Substituting x = 8 and y = −3 into the second equation:
2(8) − 5(-3) = -31
16 + 15 = -31 (true)
c. {3x+4y=−23
2x+5y=−31
Substituting x = 8 and y = −3 into the first equation:
3(8) + 4(-3) = -23
24 - 12 = -23 (not true)
Substituting x = 8 and y = −3 into the second equation:
2(8) + 5(-3) = -31
16 - 15 = -31 (not true)
d. {4x+3y=23
2x−5y=31
Substituting x = 8 and y = −3 into the first equation:
4(8) + 3(-3) = 23
32 - 9 = 23 (true)
Substituting x = 8 and y = −3 into the second equation:
2(8) - 5(-3) = 31
16 + 15 = 31 (true)
Therefore, option B {4x+3y=23 and 2x−5y=−31} is the correct system of equations that has (8,−3) as a solution.
To determine which system of equations has (8,−3) as a solution, we need to substitute these values into each equation of the given options and check if they satisfy the equations.
Starting with option A, when we substitute x = 8 and y = −3 into the first equation, we get 4(8) − 3(-3) = 32 + 9 = 41, which is not equal to 23. Similarly, substituting these values into the second equation, we get 2(8) + 5(-3) = 16 - 15 = 1, which is not equal to 31. Hence, option A is not the correct system.
Moving on to option B, substituting x = 8 and y = −3 into the first equation, we get 4(8) + 3(-3) = 32 - 9 = 23, which matches the value on the right-hand side of the equation. Substituting the values into the second equation, we get 2(8) - 5(-3) = 16 + 15 = 31, which also matches the value on the right-hand side. Therefore, option B is the correct system of equations with (8,−3) as a solution.
Next, in option C, substituting x = 8 and y = −3 into the first equation yields 3(8) + 4(-3) = 24 - 12 = 12, which is not equal to −23. Similarly, substituting the values into the second equation gives us 2(8) + 5(-3) = 16 - 15 = 1, which is not equal to −31. Hence, option C is not the correct system.
Lastly, in option D, when we substitute x = 8 and y = −3 into the first equation, we get 4(8) + 3(-3) = 32 - 9 = 23, matching the right-hand side. Substituting the values into the second equation, we get 2(8) - 5(-3) = 16 + 15 = 31, which is equal to the value on the right-hand side. Thus, option D is also a correct system of equations with (8,−3) as a solution.
In conclusion, option B {4x+3y=23 and 2x−5y=−31} is the correct system of equations that has (8,−3) as a solution.
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The correct system of equations that has (8,−3) as a solution is option B.
Let's substitute the values x = 8 and y = −3 into the equations of each option to check if they satisfy the system of equations.
a. {4x−3y=23
2x+5y=31
Substituting x = 8 and y = −3 into the first equation:
4(8) − 3(-3) = 23
32 + 9 = 23 (not true)
Substituting x = 8 and y = −3 into the second equation:
2(8) + 5(-3) = 31
16 - 15 = 31 (not true)
b. {4x+3y=23
2x−5y=−31
Substituting x = 8 and y = −3 into the first equation:
4(8) + 3(-3) = 23
32 - 9 = 23 (true)
Substituting x = 8 and y = −3 into the second equation:
2(8) − 5(-3) = -31
16 + 15 = -31 (true)
c. {3x+4y=−23
2x+5y=−31
Substituting x = 8 and y = −3 into the first equation:
3(8) + 4(-3) = -23
24 - 12 = -23 (not true)
Substituting x = 8 and y = −3 into the second equation:
2(8) + 5(-3) = -31
16 - 15 = -31 (not true)
d. {4x+3y=23
2x−5y=31
Substituting x = 8 and y = −3 into the first equation:
4(8) + 3(-3) = 23
32 - 9 = 23 (true)
Substituting x = 8 and y = −3 into the second equation:
2(8) - 5(-3) = 31
16 + 15 = 31 (true)
Therefore, option B {4x+3y=23 and 2x−5y=−31} is the correct system of equations that has (8,−3) as a solution.
To determine which system of equations has (8,−3) as a solution, we need to substitute these values into each equation of the given options and check if they satisfy the equations.
Starting with option A, when we substitute x = 8 and y = −3 into the first equation, we get 4(8) − 3(-3) = 32 + 9 = 41, which is not equal to 23. Similarly, substituting these values into the second equation, we get 2(8) + 5(-3) = 16 - 15 = 1, which is not equal to 31. Hence, option A is not the correct system.
Moving on to option B, substituting x = 8 and y = −3 into the first equation, we get 4(8) + 3(-3) = 32 - 9 = 23, which matches the value on the right-hand side of the equation. Substituting the values into the second equation, we get 2(8) - 5(-3) = 16 + 15 = 31, which also matches the value on the right-hand side. Therefore, option B is the correct system of equations with (8,−3) as a solution.
Next, in option C, substituting x = 8 and y = −3 into the first equation yields 3(8) + 4(-3) = 24 - 12 = 12, which is not equal to −23. Similarly, substituting the values into the second equation gives us 2(8) + 5(-3) = 16 - 15 = 1, which is not equal to −31. Hence, option C is not the correct system.
Lastly, in option D, when we substitute x = 8 and y = −3 into the first equation, we get 4(8) + 3(-3) = 32 - 9 = 23, matching the right-hand side. Substituting the values into the second equation, we get 2(8) - 5(-3) = 16 + 15 = 31, which is equal to the value on the right-hand side. Thus, option D is also a correct system of equations with (8,−3) as a solution.
In conclusion, option B {4x+3y=23 and 2x−5y=−31} is the correct system of equations that has (8,−3) as a solution.
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what is the nth term rule of the linear sequence below 15, 7, -1, -9, -17
Answer:
8n+7
Step-by-step explanation:
A 5 1/2 ounce raw hamburger patty has 27 1/2 grams of protein. A 6 ounce piece of raw chicken breast has 48grams of protein.
Determine which statements about the amount of protein per ounce, rounded to the nearest hundredth, for each type of food are true
a. The amount of protein per ounce in the hamburger patty is less than the amount of protein per ounce in the chicken breast.
B. There is 0.18 gram of protein per ounce of hamburger.
C. There are 8 grams of protein per ounce of chicken.
D. The amount of protein per ounce in the hamburger patty is more than the amount of protein per ounce in the chicken breast.
E. There is 0.13 gram of protein per ounce of chicken.
F. There are 5.67 grams of protein per ounce of hamburger.
Choose all that applies to the question.
The statements which are true among the answer choices are as follows;
a. The amount of protein per ounce in the hamburger patty is less than the amount of protein per ounce in the chicken breast.C. There are 8 grams of protein per ounce of chicken.Which statements about the protein content of the hamburger patty and chicken breast is correct?Since, it follows from the task content that; A 5 1/2 ounce raw hamburger patty has 27 1/2 grams of protein, it follows that the protein content per ounce is;
P(hamburger) = 55/2 ÷ 11/2
= 5g per ounce.
Also, A 6 ounce piece of raw chicken breast has 48grams of protein, hence we have;
P(chicken breast) = 48/6 = 8 grams per ounce.
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6(2c - cd² + d)
Answer
Answer:
(2)(6)+3
?
=
15
15=15
True
Step-by-step explanation:
help
What is the measure of arc e f c? 107° 180° 253° 270°
The declaration states that the value of Arc EFC = 253°.
What does a numerical number mean?A measure is indeed a quantitative concept used to express how large a collection is. Each unique measure represents a different method for determining how large a collection is. It would initially appear that a set's cardinality is the only logical way to determine its number.
We can tell we are working with a circular that has 360 degrees because of the connection.
We can infer that we have it if we look at that file.
Arc EFC
Arc CD
Arc DE
And everything together give us 360,
Arc EFC + Arc CD + Arc DE = 360
If we examine the figure again, we can see that the central angle of an intercepted arc is identical to the arc's measure.
Arc CD is 90 degrees since the central angle is 90 degrees given
Arc DE is 17 degrees
Arc EFC + Arc CD + Arc DE = 360
If we input all the figures
Arc EFC + 90 + 17 = 360
Arc EFC + 107 = 360
Arc EFC = 360 - 107
Arc EFC = 253
Therefore, Arc EFC = 253°
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The correct questions is:
Circle O, and are diameters. Arc ED measures 17°. Circle O is shown. Line segments F C and A E are diameters. Line segments C O and B O are radii. Point B is between points A and C, and point C is between points E and C. Angle D C is a right angle. What is the measure of Arc E F C? 107° 180° 253° 270°
Alex says that if he rolls an odd number on the first number cube, it is more likely that he will roll an even number on the second number cube. Is he correct?explain.
Alex's statement that it is more likely to roll an even number on the second number cube if he rolls an odd number on the first number cube is not correct.
How to determine if he is correctThe probability of rolling an even number on the second number cube is the same regardless of whether an odd or even number is rolled on the first number cube.
Each number cube has 6 faces, and 3 of those faces are even numbers (2, 4, and 6).
So the probability of rolling an even number on a single number cube is 3/6 or 1/2.
This probability does not change based on the result of the roll on the other number cube.
Hence, No, Alex is not correct.
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find the expectation value of the position squared when the particle in the box is in its third excited state. answer this question with the correct coefficient of l2 for the expectation value.
The expectation value of the position squared when the particle in the box is in its third excited state is equal to \(\frac{9l^2}{8}\), where l is the length of the box. This is equal to nine-eighths of the length of the box squared.
The expectation value of the position squared when the particle in the box is in its third excited state can be calculated using the formula\(\langle x^2 \rangle = \frac{l^2}{8} \left( 2n^2 + 6n + 3 \right)\),
where n is the quantum number of the state and l is the length of the box. Here, n is 3, so the expectation value is equal to
\(\frac{l^2}{8} \left( 2 \times 3^2 + 6 \times 3 + 3 \right) = \frac{9l^2}{8}\).
This can be written as nine-eighths of the length of the box squared.
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which formula would you use to calculate the 95% confidence interval bounding both sides of the population mean of a normal distribution with known standard deviation (sigma)?
The formula to be used to calculate the 95% confidence interval bounding both sides of the population mean of a normal distribution with known standard deviation (sigma) is given by
X ± Z * σ/\(\sqrt{n}\).
We have to find out the formula that is to be used to calculate the 95% confidence interval bounding both sides of the population mean of a normal distribution with known standard deviation (sigma).
We have to first understand what is meant by 95% confidence interval. Considering any normal distribution, approximately 85% of the values are within two standard deviations of the mean. Standard Deviations of the mean is the range of numbers that we believe contains.
It is also known to us that "n" is the sample size. If the sample size is greater than 30 then we can use the formula to determine the 95% confidence interval.
The sample means, the sample standard deviation, the sample size, and the z-value are represented in the formula.
Therefore, the formula to be used to calculate the 95% confidence interval bounding both sides of the population mean of a normal distribution with known standard deviation (sigma) is given by
X ± Z * σ/\(\sqrt{n}\).
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explain the error a problem states that Ursula earns $9 per hour to write an expression that tells you how much money that Ursula earns for H hours. Joshua 9 / h and Sarah wrote 9h who's expression is correct and why
We will have that Sarah's function is the correct one, since each hour she will get $9, then when we multiply will give us the amount of money she makes in the number of hours.
H = 9h
PLEASE HELP, THIS IS A BENCHMARK. WILL GIVE BRAINLIEST!
Use the description of AABC below to solve Parts A and B.
m
Part A: Which of the following is the value of x?
A. x = 10
B. x= 5
B. x = 4
D. x = 2
Part B: Order the sides of ABC from shortest to longest. Drag and drop the displayed choices to order.
the difference of a number and 4 is thirty.
Answer:
X-4=30
Step-by-step explanation:
Difference means subtraction
X represents the unknown variable because its says "Of a number" of which we do not know
If you are still confused let me know
Which of the following statements about points are true? Check all that apply. A. Their size depends on their dimensions. B. Their sizes vary C. They have no size and no dimensions ting D. They have length but no height.
Explanation:
Points are locations in space or on a 2D flat plane. Think of an address to a house or perhaps longitude/latitude coordinates. Such locations do not have any width, length or height. There are no dimensions a point. Points are infinitely small. The only reason they appear to have a size is because otherwise we wouldn't be able to see the point locations.
This is why choices A B and D can be ruled out. Only choice C is true.
the function f is defined by f(x)=150/x-z where z is a constant. find z if the value of f at x=1/5 is equal to 250
Answer:
z=500
Step-by-step explanation:
since we know that the whole equation is equal to 250, we can substitute values in.
250=150/1/5 -z
250=750-z
-500=-z
z=500
The value of z for the function f(x)=150/x-z is z=500.
What is an expression?The mathematical expression combines numerical variables and operations denoted by addition, subtraction, multiplication, and division signs.
Mathematical symbols can be used to represent numbers (constants), variables, operations, functions, brackets, punctuation, and grouping. They can also denote the logical syntax's operation order and other properties.
Given that the function f is defined by f(x)=150/x-z where z is a constant. The value of the function at x = 1/5 is 250.
The value of the constant z will be calculated as,
The whole equation is equal to 250, we can substitute values in.
250=150/1/5 -z
Simplify the equation and solve for the value of z,
250=750-z
-500=-z
z=500
Therefore, the value of z for the function f(x)=150/x-z is z=500.
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Question 1-1
Determine the coordinates of A” when CASH is reflected over x=2 followed by (x,y) → (x-1, y-5).
The coordinates of A'' are \(A''(x,y) = (3-x, y-5)\).
Let be \(A(x,y) = (x,y)\), we apply the following operations to get the coordinates of A'':
Reflection over x = 2
\(A'(x,y) = (x,y) + 2\cdot [(2,y)-(x,y)]\)
\(A'(x,y) = (x,y) +2\cdot (2-x, 0)\)
\(A'(x,y) = (x,y) +(4-2\cdot x, 0)\)
\(A'(x,y) = (4-x, y)\)
Translation
\(A''(x,y) = (4-x, y) +(-1, -5)\)
\(A''(x,y) = (3-x, y-5)\)
The coordinates of A'' are \(A''(x,y) = (3-x, y-5)\).
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Write the other side of this equation so that this equation is
true for ALL values of u.
6(u - 2)+2=
Answer:
6u - 10
Step-by-step explanation:
Given
6(u - 2) + 2 ← distribute parenthesis
= 6u - 12 + 2 ← collect like terms
= 6u - 10
please help someone..
Answer:
x=(3e+2d)/(2g-ef)
Step-by-step explanation:
d=e(3+fx)/(2+gx)
or, 2d+2gx=3e+efx
or, 2gx-efx=3e+2d
or, x(2g-ef)=3e+2d
or, x=(3e+2d)/(2g-ef)
Answer:
x = (-2d + 3e) / (dg - fe)
Step-by-step explanation:
We solve it by using algebra.
1. Multiply each side by 2 + gx:
dgx + 2d = fxe + 3e
2. Subtract fxe on both sides:
dgx − fxe + 2d = 3e
3. Subtract 2d from both sides:
dgx − fxe = −2d + 3e
4. Factor out x:
x (dg − fe) = −2d + 3e
5. Divide dg - fe:
x = (-2d + 3e) / (dg - fe)
I hope this helped! :D
What is the quotient of StartFraction 2 Superscript 4 Baseline Over 2 Superscript negative 4 Baseline EndFraction? StartFraction 1 Over 256 EndFraction One-half 1 256.
Answer:
256
Step-by-step explanation:
The quotient of the given expression will be 256.
What will be the quotient?From the given data
\(=\dfrac{2^{4} }{2^{-4} }\)
Now it will become
\(2^{4} \times 2^{4} = 2^{8} =256\)
Thus the quotient of the given expression will be 256
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The sum of three consecutive even numbers is 84. What are the numbers?
(A) 25,28,39
(B) 23,24,25
(C) 27,28,29
(D) 22,24,26
Answer:
27, 28, 29
Step-by-step explanation:
x +x+1 +x +2 =84
3x+3 +84
3x=84-3
3x=81
x=81 :3
x=27 (the first number
27+1 =28 (the second number
27 +2 =29 (the third number
The union of events A and B, denoted by A∪B, ____________.
A. contains all outcomes of an experiment
B. contains all outcomes that are in A or B
C. consists only of outcomes that are in A and B
D. contains no outcomes that are in A and B
The union of events A and B, denoted by A∪B, contains all outcomes that are in A or B. Option B
In probability theory, events A and B represent sets of outcomes from a given experiment or sample space. The union of two events A and B is the set of all outcomes that belong to either A or B or both. It is formed by combining the elements from both sets without repetition.
Mathematically, the union of events A and B is defined as:
A∪B = {x : x ∈ A or x ∈ B}
This means that any outcome x that is in event A or event B (or both) will be included in the union of A and B.
To illustrate this concept, consider the following example:
Event A: Rolling an even number on a fair six-sided die
A = {2, 4, 6}
Event B: Rolling a number greater than 4 on a fair six-sided die
B = {5, 6}
The union of A and B, denoted by A∪B, will contain all outcomes that are in A or B:
A∪B = {2, 4, 5, 6}
Therefore, option B is the correct choice. The union of events A and B contains all outcomes that are in A or B.
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How can I subtract 3x from both sides? Explanation and answer
Its not must that 3x have to be the one to be subtracted. You could take 8x as well.
But always subtract from the smaller one (in this case 3x) because its easier.
If you are subtracting 3x-3x and 8x-3x, the equation would be like
4 = 5x - 16
5x = 4+16
5x = 20
x = 4
Please see the image. Assist quickly please, thanks!
Answer:
Point A' should be 2 units left and 8 units above of Point C.
Point B' should be 10 units right and above Point C.
Point C stays the same.
A retailer sells chemistry sets for $21 that were acquired at a cost of $15. What percentage is the mark-up?
The percentage for the markup for the wheelbarrow is 40%.
It is important to note that the percentage is a value or ratio that may be stated as a fraction of 100. If we need to calculate a percentage of a number, we should divide it's entirety and then multiply it by 100
In this case, the retailer sells wheelbarrows for $21 that were acquired at a cost of $15. The markup will be:
The amount paid to purchase an article or the price at which an article is made is known as its cost price. Selling Price: The price at which an article is sold is known as its selling price.= Selling price - Cost price
= $21 - $15
= $6
Markup percentage will be:
= Markup / Cost price × 100
= \(\frac{6}{15}\)× 100%
=0.4*100%
= 40%
Therefore, the percentage for the markup is 40%.
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2/7 divided by 6, fastest answer (and correct) gets brainest.
Answer:
0.047619
P.S. do you need to round?
Answer:
\(\frac{1}{21}\)
Step-by-step explanation:
Pipes A and B can fill a storage tank in 8 h and 12 h, respectively. With the tank empty, pipe A was turned on at noon, and then pipe B was turned on at 1:30 P.M. At what time was the tank full?
If pipes A and B can fill a storage tank in 8 h and 12 h and pipe A was turned on at noon, and pipe B was turned on at 1:30 P.M, then the water tank will be full at 5:24 pm
What are Pipes and Cisterns w.r.t. mathematics?Another type of time- and work-based inquiry is called "pipes and cistern." You could ask questions like how long it takes to fill or empty a tank, how much effort is involved, and other similar inquiries. There are two important points that a candidate should understand about such questions:
An inlet is a conduit that is linked to a tank to allow water to be added to it. This kind of work has been accomplished.
An exit is a conduit that is attached to empty the water from the tank. This shows that the task was done in an unfavourable manner. In the query, it may also be referred to as "leak."
How to solve?
Let t = the "on" time duration of pipe A
(t-1.5) = the "on" time of pipe B
Let the completed job = 1; (a full tank)
3t + 2(t-1.5) = 24(1)
3t + 2t - 3 = 24
5t = 24 + 3
t = 27/5
t = 5.4 hrs, which is 5 hrs + (.4*60) = 5 hrs, 24 min
Therefore, the tank will be full at 5:24 pm
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