If i dilute 250 ml of .50 m lithium acetate solution to a volume of 750 ml, what will the concentration of this solution be?
Answers
The initial solution has a concentration of 0.50 moles of lithium acetate per liter of solution (M).
To dilute 250 ml of this solution to a final volume of 750 ml, we need to multiply the initial concentration by the ratio of the final volume to the initial volume:
C1V1 = C2V2
0.50 M x 0.250 L = C2 x 0.750 L
C2 = (0.50 M x 0.250 L) / 0.750 L
C2 = 0.17 M
Therefore, the final concentration of the diluted solution is 0.17 M.
After diluting 250 mL of a 0.50 M lithium acetate solution to a volume of 750 mL, the concentration of the solution can be calculated using the dilution formula: M1V1 = M2V2. Here, M1 is the initial concentration (0.50 M), V1 is the initial volume (250 mL), M2 is the final concentration, and V2 is the final volume (750 mL). By solving for M2, you'll find that the concentration of the diluted solution is approximately 0.17 M.
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Related Questions
Tina wants to save $100. She saves $0.01 on day 1, $0.02 on day 2, and $0.04 on day 3. If the amount of money that Tina saves each day continues to follow this pattern, on what day will she first have saved a total of $100.00 or more?
Answers
Answer: Day 14
Step-by-step explanation: 2^14 = 16384 cents, which equals $163.84
Y=x+3
3x-3y=9
Solved in substitution
Answers
The requried, given system of equations y=x+3 and 3x-3y=9 has no common solution.
What are simultaneous linear equations?Simultaneous linear equations are two- or three-variable linear equations that can be solved together to arrive at a common solution.
Here,
From the first equation, we can solve for y:
y = x + 3
Substitute y = x + 3 into the second equation:
3x - 3(x + 3) = 9
Simplify the right side:
3x - 3x - 9 = 9
-9 = 9 (inconsistent)
Since the equation -9 = 9 is inconsistent, the system of equations has no solution, which means that there are no values of x and y that make both equations true at the same time. It implies the system of equations has no solution.
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Adam has 312pounds of ground beef.
How many burgers can he make if each burger requires 14 pound?
PLS HELP NOWWWW
Answers
He can make 22 burgers. Please mark me as the Brainliest.
Answer:
14 or 0.14
Step-by-step explanation:
3 1/2 ÷ 1/4
1/4 = 25
3 1/2 ÷ 25 = 0.14 or 14
This is correct answer can you mark me brainliest
how many times does 82 go into 500
Answers
Answer: 6.09756097561
Step-by-step explanation: that many times
this is easy boos 3+9+10=
Answers
Answer:
22
Step-by-step explanation:
1: 3+9 = 12
2: + 10 = 22
The correct answer for this question is 22.
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Hope this helps.
5x + 2y = 8 x + y = 4 if you want to solve the system of equations by addition which of the following could you do
Answers
Answer: x= 0, y = 4
Step-by-step explanation:
5x+2y=8
X+y=4 -> y=4-x
5x + 2(4-x)=8 -> 5x + 8-2x=8 -> 3x=0 -> x=0
y=4-x=4-0=4
9x-8=10 help asap
please please
Answers
Answer:
x=2
Step-by-step explanation:
9x-8=10
Add 8 to each side
9x-8+8=10+8
9x = 18
Divide by 9
9x/9 = 18/9
x = 2
Answer:
9x - 8 = 10
Step-by-step explanation: 9x - 8 = 10
9x = 10 + 8
9x = 18 (divide both sides by 9 to get x)
9x/9 = 18/9
x = 2
ACB=ADE
ACD=ADC
ACB=ABC
ABC=ADE
Answers
ABC =ADE
WILL BE ITS ANSWER
If all else is held constant but the level of confidence is increased from 90% to 95% then the margin of error will be increased. True/False.
Answers
The statement if all else is held constant but the level of confidence is increased from 90% to 95%, then the margin of error will be increased is false because increasing the level of confidence actually decreases the margin of error.
In statistical analysis, the margin of error refers to the range of values within which the true population parameter is likely to fall. It is influenced by several factors, including the sample size and the level of confidence chosen for the estimation.
When the level of confidence is increased, it means that we are more certain or confident about the accuracy of the estimate. This higher level of confidence requires a narrower range or interval for the estimate, resulting in a smaller margin of error.
Conversely, decreasing the level of confidence would result in a wider range or interval for the estimate, leading to a larger margin of error. This is because a lower level of confidence allows for more variability and uncertainty in the estimate.
Therefore, increasing the level of confidence from 90% to 95% would actually lead to a decrease in the margin of error, not an increase.
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in how many ways can 4 different novels, 3 different mathematics books, and 1 biology book be arranged on a bookshelf if: (a) the books can be arranged in any order? your answer is: 40320 (b) the mathematics books must be together and the novels must be together? your answer is : 864 (c) the novels must be together but the other books can be arranged in any order? your answer is
Answers
(a) If the books can be arranged in any order, then there are 8 books in total, and each one can be placed in any of the 8 positions on the bookshelf. Therefore, the number of ways to arrange the books is:
8! = 40320
(b) If the mathematics books must be together and the novels must be together, then we can treat each group as a single "super-book" and arrange the three super-books in any order. Within each super-book, the books can be arranged in any order as well. Therefore, the number of ways to arrange the books is:
3! * 4! * 3! = 864
(c) If the novels must be together but the other books can be arranged in any order, then we can treat the four novels as a single "super-novel" and arrange the two super-books (the super-novel and the other three books) in any order. Within the super-novel, the novels can be arranged in any order as well. Therefore, the number of ways to arrange the books is:
2! * 4! = 48
a game where two players each throw two dice each. if any one die matches the other, you win a dollar. if there is no match, you lose a dollar. would you play this game or not and why?
Answers
Yes, I would play the game, because the probability of winning is 13/18.
Probability:
Probability refer the possible occurrence of any particular event.
Given,
A game where two players each throw two dice each. if any one die matches the other, you win a dollar. if there is no match, you lose a dollar.
Here we need to find whether we able to play this one or not.
To find that one, first, we have to identify the winning scenarios,
Let us consider five winning scenarios. Lets represent the dice outcomes as A, B, C, and D, where your dice are A and B and the other player's are C and D. The five scenarios are:
1) A = B
2) A = C
3) A = D
4) B = C
5) B = D
We know that the total possible outcomes is 6^4. We can go through each scenario and count the possible outcomes. We must be careful to avoid overcounting.
Based on this,
The probability that none match is
=> 6*5*4*3/6^4
=> 360 / 1296
=> 5 / 18
So, probability of winning is,
=> 1 - 5/18
=> 13/18.
So, based on the probability the chance of winning is high. So, we can play it.
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In this exercise, we will examine how replacement policies impact miss rate. Assume a 2-way set associative cache with 4 blocks. To solve the problems in this exercise, you may find it helpful to draw a table like the one below, as demonstrated for the address sequence "0, 1, 2, 3, 4." Contents of Cache Blocks After Reference Address of Memory Block Accessed Evicted Block Hit or Miss Set o Set o Set Set 1 Miss Miss Miss Mem[O] Mem[O] Mem[0] Mem[O] Mem[4]. 21. Mem[1]. Mem[1] Mem[1] Mem[1] Miss Mem[2]. Mem[2] Mem[3] Mem[3] Miss Consider the following address sequence: 0, 2, 4, 8, 10, 12, 14, 8, 0. 4.1 - Assuming an LRU replacement policy, how many hits does this address sequence exhibit? Please show the status of the cache after each address is accessed. 4.2 - Assuming an MRU (most recently used) replacement policy, how many hits does this address sequence exhibit? Please show the status of the cache after each address is accessed.
Answers
There are 4 hits and 4 misses in the address sequence 0, 2, 4, 8, 10, 12, 14, 8, 0 using the MRU replacement policy.
How to explain the sequenceLRU replacement policy
There are 5 hits and 3 misses in the address sequence 0, 2, 4, 8, 10, 12, 14, 8, 0 using the LRU replacement policy.
The status of the cache after each address is accessed is as follows:
Address of Memory Block Accessed | Evicted Block | Hit or Miss
--------------------------------|------------|------------
0 | N/A | Hit
2 | N/A | Hit
4 | 0 | Miss
8 | 2 | Hit
10 | 4 | Miss
12 | 8 | Hit
14 | 12 | Miss
8 | 14 | Hit
0 | 8 | Hit
4.2 - MRU (most recently used) replacement policy
There are 4 hits and 4 misses in the address sequence 0, 2, 4, 8, 10, 12, 14, 8, 0 using the MRU replacement policy.
The status of the cache after each address is accessed is as follows:
Address of Memory Block Accessed | Evicted Block | Hit or Miss
--------------------------------|------------|------------
0 | N/A | Hit
2 | N/A | Hit
4 | 0 | Miss
8 | 2 | Hit
10 | 4 | Miss
12 | 8 | Hit
14 | 10 | Miss
8 | 12 | Hit
0 | 14 | Hit
As you can see, the LRU replacement policy results in 1 fewer miss than the MRU replacement policy. This is because the LRU policy evicts the block that has not been accessed in the longest time, while the MRU policy evicts the block that has been accessed most recently.
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Step 2. Identify three (3) regions of the world. Think about what these regions have in common.
Step 3. Conduct internet research to identify commonalities (things that are alike) about the three (3) regions that you chose for this assignment. You should include at least five (5) commonalities. Write a report about your findings.
Answers
Report on Commonalities Among Three Chosen Regions
For this assignment, three regions of the world have been selected to identify commonalities among them. The chosen regions are North America, Europe, and East Asia. Through internet research, several commonalities have been identified that are shared among these regions. Below are five commonalities found:
Economic Development:
All three regions, North America, Europe, and East Asia, are characterized by significant economic development. They are home to some of the world's largest economies, such as the United States, Germany, China, and Japan. These regions exhibit high levels of industrialization, technological advancement, and trade activities. Their economies contribute significantly to global GDP and are major players in international commerce.
Technological Advancement:
Another commonality among these regions is their emphasis on technological advancement. They are known for their innovation, research and development, and technological infrastructure. Companies and industries in these regions are at the forefront of technological advancements in fields such as information technology, automotive manufacturing, aerospace, pharmaceuticals, and more.
Cultural Diversity:
North America, Europe, and East Asia are culturally diverse regions, with a rich tapestry of different ethnicities, languages, and traditions. Immigration and historical influences have contributed to the diversity seen in these regions. Each region has a unique blend of cultural practices, cuisines, art, music, and literature. This diversity creates vibrant multicultural societies and fosters an environment of cultural exchange and appreciation.
Democratic Governance:
A commonality shared among these regions is the prevalence of democratic governance systems. Many countries within these regions have democratic political systems, where citizens have the right to participate in the political process, elect representatives, and enjoy individual freedoms and rights. The principles of democracy, rule of law, and respect for human rights are important pillars in these regions.
Education and Research Excellence:
North America, Europe, and East Asia are known for their strong education systems and institutions of higher learning. These regions are home to prestigious universities, research centers, and educational initiatives that promote academic excellence. They attract students and scholars from around the world, offering a wide range of educational opportunities and contributing to advancements in various fields of study.
In conclusion, the regions of North America, Europe, and East Asia share several commonalities. These include economic development, technological advancement, cultural diversity, democratic governance, and education and research excellence. Despite their geographical and historical differences, these regions exhibit similar traits that contribute to their global significance and influence.
Answer:
For this assignment, three regions of the world have been selected to identify commonalities among them. The chosen regions are North America, Europe, and East Asia. Through internet research, several commonalities have been identified that are shared among these regions. Below are five commonalities found:
Economic Development:
All three regions, North America, Europe, and East Asia, are characterized by significant economic development. They are home to some of the world's largest economies, such as the United States, Germany, China, and Japan. These regions exhibit high levels of industrialization, technological advancement, and trade activities. Their economies contribute significantly to global GDP and are major players in international commerce.
Technological Advancement:
Another commonality among these regions is their emphasis on technological advancement. They are known for their innovation, research and development, and technological infrastructure. Companies and industries in these regions are at the forefront of technological advancements in fields such as information technology, automotive manufacturing, aerospace, pharmaceuticals, and more.
Cultural Diversity:
North America, Europe, and East Asia are culturally diverse regions, with a rich tapestry of different ethnicities, languages, and traditions. Immigration and historical influences have contributed to the diversity seen in these regions. Each region has a unique blend of cultural practices, cuisines, art, music, and literature. This diversity creates vibrant multicultural societies and fosters an environment of cultural exchange and appreciation.
Democratic Governance:
A commonality shared among these regions is the prevalence of democratic governance systems. Many countries within these regions have democratic political systems, where citizens have the right to participate in the political process, elect representatives, and enjoy individual freedoms and rights. The principles of democracy, rule of law, and respect for human rights are important pillars in these regions.
Education and Research Excellence:
North America, Europe, and East Asia are known for their strong education systems and institutions of higher learning. These regions are home to prestigious universities, research centers, and educational initiatives that promote academic excellence. They attract students and scholars from around the world, offering a wide range of educational opportunities and contributing to advancements in various fields of study.
In conclusion, the regions of North America, Europe, and East Asia share several commonalities. These include economic development, technological advancement, cultural diversity, democratic governance, and education and research excellence. Despite their geographical and historical differences, these regions exhibit similar traits that contribute to their global significance and influence.
HELP ASAP RIGHT GETS BRAINLIST 100 POINTS
Answers
\(\\ \rm\Rrightarrow (-3/2)[(2/3)(-10)]\)
\(\\ \rm\Rrightarrow (-3/2)[-20/3]\)
We know
(-)(-)=(+)So
\(\\ \rm\Rrightarrow 60/6\)
\(\\ \rm\Rrightarrow 10\)
Option D
Answer :
Option D
Step by step explanation :
[\(\:\sf{\frac{-3}{2}}\) ] . {\(\:\sf[{\frac{2}{3}].(-10)}\) }
So by simplifying,
=> \(\:\mathsf{\frac{-3}{2}}\) x \(\:\mathsf{\frac{-20}{3}}\)
=> \(\:\mathsf{\frac{60}{6}}\)
[here, (-3) (-20) = 60]
=> \(\:\bf\boxed{10}\)
Therefore option D is the correct answer.
What is the volume of this container?
Answers
Answer:
480 in³
Step-by-step explanation:
The formula to find the volume of a container is L×B×H (Length×Breadth×Height). So to make this simpler, label the bigger container as 'A' and the smaller container 'B'.
Container 'A' (Volume):
Length×Breadth×Height
5 in×8 in×10 in = 400 in³
Container 'B' (Volume):
Length×Breadth×Height
4 in×4 in×5 in = 80 in³
To find the total volume, add both values together:
400 in³+ 80 in³ = 480 in³
Answer: 480 in³
Hope this helps!
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Find x and y pleaseee
Answers
Answer:
x = 23 y = 42
Step-by-step explanation:
y + 54 + 4x - 8 = 180
y + 4x = 180 - 46
y + 4x = 134
180 - (5x - 19) = 4x - 8
180 - 5x + 19 = 4x - 8
180 + 19 + 8 = 4x + 5x
207 = 9x
207/9 = x
x = 23
y + 4(23) = 134
y = 134 - 92
y = 42
a homeowner has budgeted $10,000 for some home remodeling. a contractor has told him the labor and the cost of materials will be about the same amount. the homeowner wants to have about $3,000 left over for furnishings. how much will the homeowner be able to spend on labor and on materials?
Answers
Answer:
$3,500 labor and $3,500 materials
Step-by-step explanation:
furnishings + labor + materials = 10,000
furnishings = 3000
3000 + labor + materials = 10,000
labor = materials
3000 + labor + labor = 10,000
2(labor) = 7,000
labor = 7,000/2
labor = 3,500
labor = materials = 3,500
hirty five discrete math students are to be divided into seven discussion groups, each consisting of five students. in how many ways can this be done?
Answers
Answer:76904685 ways
please give brainliest
2. A swimming pool has a volume of 32,700 cubic feet. How many gallons of water doesthe pool hold?A. 4,371.66 galB. 239,360 galC. 244,596 galD. 4,278.07 gal
Answers
The pool holds about 245,000 gallons. Therefore, option (c) 244,596 gal is correct.
To find the number of gallons of water the pool holds, we need to convert the volume in cubic feet to gallons.
One cubic foot is equal to 7.4805194805 gallons, so to find the number of gallons in the pool, we can multiply the volume in cubic feet by the conversion factor:
1 cubic foot= 7.4805194805 gallons
gallons = 32,700 cubic feet * 7.4805194805 gallons/cubic foot
= 244,999.99968 gallons
Rounded to the nearest gallon, the pool holds about 245,000 gallons.
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One cubic foot is equal to 7.4805194805 gallons, so to find the number of gallons in the pool, we can multiply the volume in cubic feet by the conversion factor:
1 cubic foot= 7.4805194805 gallons
gallons = 32,700 cubic feet * 7.4805194805 gallons/cubic foot
= 244,999.99968 gallons
Rounded to the nearest gallon, the pool holds about 245,000 gallons.
Im on a test and i need the answer really bad please help me out
Answers
$2,000 at 12% for 3 years
Answers
Compound interest: 2,809.86
Explanation:
In compound interest, you earn interest on your interest.
Simple interest is just 2,000 + 12%(2000•3)
Hope this helps!
write the linear equation in slope intercept form: 5x + y= -17
x= -1/5y - 17/5
y= -5x - 17
y= -5x + 17
y= 5x - 17
Answers
Answer:
\(y = - 5x + 17\)
Step-by-step explanation:
\(i n \: slope \: intercept \: form \: y = mx + c \\ for \: the \: \: liear \: equaton = 5x + y = 17 \\ y = - 5x + 17\)
An antique dealer bought 5 different antiques and had them appraised. What were the appraisals on each of the 5 antiques?
Answers
how is the sum expressed in sigma notation? 13 + 21 + 29 + 37 + 45 enter your answer by filling in the boxes.
Answers
The sum expressed in sigma notation is:
Σ(8n + 5), where n goes from 1 to 5.
1. Identify the pattern in the given sequence:
13, 21, 29, 37, 45.
2. Notice that each term is 8 more than the previous term, so the common difference is 8.
3. Find the general formula for the sequence:
an = a1 + (n-1)d, where an is the nth term, a1 is the first term (13), n is the term's position, and d is the common difference (8).
4. Plug in the values to get the formula:
an = 13 + (n-1)8.
5. Simplify the formula:
an = 8n + 5.
6. Express the sum in sigma notation:
Σ(8n + 5), where n goes from 1 to 5.
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Find the 81st term of the arithmetic sequence 24, 11, -2, ...24,11,−2,
Answers
Answer:
-1029
Step-by-step explanation:
24, 11, -2...
f(n) = 24 - 13n
f(81) = 24 - 13(81) = 24 - 1053 = -1029
Round √41 to two decimal places.
PLS HELP
and pls give the correct answer
Answers
Answer:
6.40
Step-by-step explanation:
√41 = 6.4031242
Answer: 6.40
Answer:
Answer:
6.40
Step-by-step explanation:
√41 = 6.4031242
Answer: 6.40
Step-by-step explanation:
what’s the inverse function of f
f(x)=x+2/7
Answers
Answer: A
Step-by-step explanation:
Let f(y)=x.
\(x=\frac{y+2}{7}\\\\7x=y+2\\\\y=7x-2\\\\f^{-1}(x)=7x-2\)
Rewrite as a simplified fraction. 2.888... = ?
Answers
fractional number equivalent of 2.888 is
\( \frac{361}{125} or 2 \frac{111}{125} \)Answer:
\(\frac{26}{9}\) or \(2 \frac{8}{9}\)
Step-by-step explanation:
Let x equal the decimal. Set up two equations such that the digits after the decimal point are identical.
10x = 28.8888...
x = 2.8888...
Subtracting the two equations, we have:
9x = 26
find the area. Round to the nearest whole number.
Answers
Answer:
23.
the answer is 33. But when i round its 23.
Step-by-step explanation:
6.
Which of the quadratic functions has the narrowest graph?
A. y = –x2
B. y = 4x2
C. \(y=\frac{1}{4} x^2\)
D. \(y=\frac{1}{9} x^2\)
Answers
Answer:
B. y = 4x2
Step-by-step explanation:
Answer: The quadratic function y=4x^2 has the narrowest graph.