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Study Force
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Registrace 15. 07. 2010
Study Force invites students, educators, and subject enthusiasts to learn from our vast library of video tutorials.
Converting Between Fractions and Percentages with Repeating Decimals #basicmath #fractions
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Q1. Write each fraction as a percent.
a) 2/( 3 )
b) 2 5/( 6 )
c) 25/11
Q2. Write each percent as a fraction.
a) 1/( 3 )%
b) 216 2/3%
c) 33 1/3%
✔ Biology-Forums.com
✔ Ask questions here: Biology-Forums.com/Ask
Q1. Write each fraction as a percent.
a) 2/( 3 )
b) 2 5/( 6 )
c) 25/11
Q2. Write each percent as a fraction.
a) 1/( 3 )%
b) 216 2/3%
c) 33 1/3%
zhlédnutí: 72
Video
Solving Proportions by Cross-Multiplication #equations #fractions
zhlédnutí 39Před 14 dny
✔ StudyForce.com ✔ Biology-Forums.com ✔ Ask questions here: Biology-Forums.com/Ask To quickly solve proportions, we use a mathematical technique known as cross-multiplication. This method is equivalent to multiplying both sides of the equation by a common denominator, which eliminates the fractions and simplifies finding the unknown value. Q. Solve each proportion for the unknown variable. a) 3...
Finding the Generators of Z*_7 #numbertheory #grouptheory
zhlédnutí 41Před měsícem
✔ Modulus Calculator: biology-forums.com/index.php?action=tools;type=mod ✔ Ask questions here: Biology-Forums.com/Ask In modular arithmetic, the generators of Zp^∗ play a crucial role in understanding the structure of this multiplicative group. Specifically, in Zp^∗, where p is a prime number, a generator is an element that can produce every other element in the group through its successive p...
Merkle-Hellman Knapsack Algorithm Part 2: Encryption and Decryption #cryptography #algorithm
zhlédnutí 57Před měsícem
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Merkle-Hellman Knapsack Algorithm Part 1: Generating the Public Key #cryptography #algorithm
zhlédnutí 86Před měsícem
STEP 1: Create a superincreasing sequence STEP 2: Sum the sequence terms and choose an integer 'm' greater than the sum STEP 3: Choose another integer 'w' such that w is less than m and the gcd(w,m) = 1 STEP 4: Find the modular inverse of w modulo m STEP 5: Compute the public key sequence e from sequence d INTRODUCTION: One of the earliest public key cryptosystems is the Merkle-Hellman Knapsack...
Internal Rate of Return (IRR) Calculation #finance #investments
zhlédnutí 192Před měsícem
✔ StudyForce.com ✔ Biology-Forums.com ✔ Ask questions here: Biology-Forums.com/Ask The internal rate of return (IRR) is the percentage that makes the net present value (NPV) of all cash flows (both inflows and outflows) from a particular investment equal to zero. In other words, the IRR is the rate at which the present value of all future cash inflows equals the upfront cost of the project. Whe...
Finding the Modular Inverse #numbertheory
zhlédnutí 58Před měsícem
✔ StudyForce.com ✔ Biology-Forums.com ✔ Ask questions here: Biology-Forums.com/Ask The modular inverse of a number a modulo n is an integer x such that a * x ≡ 1 (mod n). In other words, it's the number you can multiply by a to get a product that leaves a remainder of 1 when divided by n. This concept is crucial in various fields, including cryptography and number theory. Q1. What is the modula...
Calculating the Net Present Value (NPV) #finance #investments
zhlédnutí 136Před měsícem
✔ StudyForce.com ✔ Biology-Forums.com ✔ Ask questions here: Biology-Forums.com/Ask When deciding if a transaction will be profitable over the long term, businesses routinely calculate the net present value (NPV) to determine which projects are worth investing in. The NPV is calculated by negating the costs upfront and adding to it the PV of all future cashflows, as in: NPV = −cost PV (of future...
Greedy Algorithm Example
zhlédnutí 67Před měsícem
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Calculating the Size of the Final Loan Payment (Simple Interest) #finance #loans
zhlédnutí 64Před měsícem
✔ StudyForce.com ✔ Biology-Forums.com ✔ Ask questions here: Biology-Forums.com/Ask Calculating the size of the final payment on a loan that is to be paid incrementally throughout the year is a practical skill in finance that requires understanding of simple interest and future values. This knowledge is crucial for effective budgeting and financial planning. Q. A $5000 loan advanced on April 1 a...
Dollar-weighted and Time-weighted Rate of Return #stocks
zhlédnutí 46Před měsícem
✔ StudyForce.com ✔ Biology-Forums.com ✔ Ask questions here: Biology-Forums.com/Ask A time-weighted rate of interest captures the performance of the stock (or the overall market) as a percentage, regardless of the stock's value at intermediate periods. For example, suppose a stock is worth $100 per share today. After 1 year, the stock is worth $75 per share. After two years, it is worth $150 per...
Equivalent Value to a Payment Stream (Simple Interest)
zhlédnutí 81Před 2 měsíci
✔ StudyForce.com ✔ Biology-Forums.com ✔ Ask questions here: Biology-Forums.com/Ask The time value of money is an important principle in finance, indicating that money now is more valuable than the same amount later due to its earning potential. When dealing with multiple payments over time, it's sometimes necessary to find their equivalent value at a single point in time (known as the focal dat...
Mathematics of Debt Refinancing #finance #debt
zhlédnutí 49Před 2 měsíci
✔ StudyForce.com ✔ Biology-Forums.com ✔ Ask questions here: Biology-Forums.com/Ask In many situations, unexpected events can disrupt a borrower's ability to make timely loan payments. Whether missing a mortgage payment or facing unexpected medical expenses, loan terms may need adjustment. Q. Mario took out a $20,000 loan to buy a car with an annual interest rate of 6%, compounded monthly, and a...
Calculating the Accumulated Value of Increasing Annuities
zhlédnutí 80Před 2 měsíci
✔ StudyForce.com ✔ Biology-Forums.com ✔ Ask questions here: Biology-Forums.com/Ask Suppose you want to deposit money into an account where deposits increase every period after the first by some fixed number, g. For example: • At the end of the first year, you deposit $R • At the end of the second year, you deposit $R g • At the end of the third year, the previous year's deposit again increases ...
Increasing Annuities Arithmetic Growth Problem
zhlédnutí 82Před 2 měsíci
✔ StudyForce.com ✔ Biology-Forums.com ✔ Ask questions here: Biology-Forums.com/Ask Suppose you wish to purchase an annuity where payments increase every year after the first by some fixed number, g. For example: • At the end of the first year, it pays out $R • At the end of the second year, it pays out $R g • At the end of the third year, the previous year's payment again increases by g, and so...
Calculating the Equivalent Value at a Later Date (Simple Interest)
zhlédnutí 71Před 2 měsíci
Calculating the Equivalent Value at a Later Date (Simple Interest)
Calculating Simple Interest on a Variable Rate Loan
zhlédnutí 83Před 2 měsíci
Calculating Simple Interest on a Variable Rate Loan
Cost-Volume-Profit Analysis (Break-even Point)
zhlédnutí 86Před 3 měsíci
Cost-Volume-Profit Analysis (Break-even Point)
Straight, Variable, and Gradual Commission Calculations
zhlédnutí 83Před 3 měsíci
Straight, Variable, and Gradual Commission Calculations
Using the Modified Offset Method to Find the Area of Irregular Shapes
zhlédnutí 144Před 3 měsíci
Using the Modified Offset Method to Find the Area of Irregular Shapes
Differential Pay Schedule vs. Straight Piece Rate Pay Calculations
zhlédnutí 63Před 3 měsíci
Differential Pay Schedule vs. Straight Piece Rate Pay Calculations
Inflation-Adjusted Annuity Calculation (Increasing Annuities / Geometric Growth)
zhlédnutí 145Před 3 měsíci
Inflation-Adjusted Annuity Calculation (Increasing Annuities / Geometric Growth)
Deriving the Present Value of Annuity Formula
zhlédnutí 303Před 3 měsíci
Deriving the Present Value of Annuity Formula
Alcohol Content of a Shot Compared to a Beer
zhlédnutí 83Před 3 měsíci
Alcohol Content of a Shot Compared to a Beer
Volume of a Frustum (Formula Derivation)
zhlédnutí 233Před 4 měsíci
Volume of a Frustum (Formula Derivation)
Calculating the Interest Rate in an Annuity (Using Excel)
zhlédnutí 167Před 4 měsíci
Calculating the Interest Rate in an Annuity (Using Excel)
Handling Partial Periods with Drop and Balloon Payments #finance #annuities
zhlédnutí 86Před 4 měsíci
Handling Partial Periods with Drop and Balloon Payments #finance #annuities
Future Value of Compound Interest Formula (How it Works and its Derivation)
zhlédnutí 135Před 4 měsíci
Future Value of Compound Interest Formula (How it Works and its Derivation)
Solving for the Number of Periods in an Annuity
zhlédnutí 96Před 4 měsíci
Solving for the Number of Periods in an Annuity
Grade 6 Math Challenge: Average Speed | 95% Get This Wrong!
zhlédnutí 113Před 5 měsíci
Grade 6 Math Challenge: Average Speed | 95% Get This Wrong!
Didn't explain, wasn't worth the view
Hi, I wonder is your answer in the conversion of 8292 to Mayan correct? I can't put this into Mayan, so I'll just use number. Your answer is 12, 0, 3, and 1 (just imagine this is in Mayan).. when you convert this into a number. Its not 8292. Instead 9212. Which is incorrect. My answer is 12, 14, 0, and 1. (Imagine this is in mayan) And when I convert it into number the answer is 8292 which is correct?? Am i wrong, correct me if i did wrong. I dunno if you get my point
Kade Well
Im watching this video year September 2024
Cheer~~~the action or process of calculating or assigning a number to something.😊
i came here to CUM
An ointment contains 2.5% w/w calamine. How much calamine powder that should be added to 200 g of the ointment to produce a 3% w/w calamine ointment.
Thanks dude!!!
How about if the desired percent is below 50%.
Thank you
So what exactly happens here? They multiply? What do we call that?
Ques why don't we add the flat section length ? Are we only considering. Lenth in y -axis 😊
Well explained😊... Thank you so much❤
Nice solving. Just an observation.. your mass of proton is kinda inaccurate
Thanks for doing these all Makes sense now❤
The base water level rises. The base water level being the water level prior to the ice berg. If the water was already in the cup. And we froze a portion of it the visible water level would decrease . The base water level would be higher than the cube. The rising water level becomes a matter of perception. Are the oceans rising. Or returning to a base line state from before the water froze And began to float?
The idea that water is simply displaced by weight is an over simplification. You must account for buoyancy as well. In this case ice floats on water at about level. However icebergs (fresh water) float above the ocean (saltwater) the simple weight and mass carrying a portion below the surface. If they were to melt not only deos this change thier buoyancy it also chnages the consistency of the salt water. Causing other things to sink and perhaps melt. So yes in a controlled experiment using thw water level after the additon of ice made from similar water the water lune shouldnt change... freezing water already existing in the glass changes things a little and using a combination of fresh and salwater creates drastic change
Good job
its very nice
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Could you please help me with this one? Three banks X, Y and Z, each offers a different effective interest rate on its saving account. (Hint: Assume 1 year to be 366 days). Bank Nominal Interest Rate Compounding Period X 8.25% compounded daily Y 8.25% compounded Monthly Z 8.30% compounded Quarterly
@@eekanspok-oq8xm biology-forums.com/index.php?topic=2095687 Hope this helps
@@StudyForceOnline thank u so much for answering and for being so kind. Oops I forgot to type the questions... A) for each 3 banks find effective semi-annual interest rate B) how much interest would you get after 3 years on a $5000 deposit made now? (Hint: use the interest calculated in A).
@@eekanspok-oq8xm Full solution can be found here. biology-forums.com/index.php?topic=2095687
@@StudyForceOnline you are awesome thank u so much
هلاووووووو
This channel is underrated
Great stuff!
When a block of ice floats in water, it displaces an amount of water equal to its weight, not its volume. So, even if only half of the ice is submerged, it's still displacing enough water to balance out its entire weight. When the ice melts, it turns into water that exactly fills the space of the water it was already displacing. This is why the water level doesn’t rise after the ice melts-it’s all about that balance between the weight of the ice and the water it displaces, keeping the water level the same before and after melting.
😊
great video
Finally I got a answer
Delicious ❤
Hi study force, I have an equation where there is an "a" in it, √x + √y = √a will i also differentiate the √a ? and is "a" similar to x when derived it is equal to 1 or not? Thank you so muchhhh
@@KyLuc-v9y If 'a' isn't a variable, then it is a constant. All constants differentiate to 0
Date kimiwa yoaimo
After this lesson, fell in love with Cryptology. Thanks for educating us!
Hi study force, how do you solve something like this x/√1-4x² using delta method
With a whole lot of algebra! I tried it, took me 20 minutes just to sort through it all. You're better off using more conventional means like the quotient rule: czcams.com/video/nCEGh2HIXsg/video.html
How come we see a shadow from the cylinder? If I cover up the cylinder with my hand, I still see the "shadow" on the tiles. Edit: Okay so I watched another video on the same illusion and I still didn't get it, until, I saw a comment. So basically your checkerboard image is alternating dark and light squares (that's if you don't have the cylinder, or more precisely if you don't have the shadow of the cylinder), when the shadow is there, it darkens whatever is in the shadow, in this case it darkens the lighter square, to where it's the same shade as the dark square that's not in shadow. Plus, you have the darker squares that surround it, that are also in shadow, which means, they're also darker, and so, you still perceived the difference in the lighter and darker squares. It just so happens that the light square that's in shadow is the exact same shade as the dark square that is not in shadow.
Mondhe wale bacche like karo😅😅
well explained!!!
Great work always🎉❤
I think it's just impossible to record sound anymore as every video with nature sounds are ultra low quality with static/fuzz/noise in them
Top math teacher. Thank you
I was only given that homozygous recessive aa individuals frequency is 1/10000 (meaning that R, the genotype frequency is 0.0001). Is it possible to calculate anything else? How am I supposed to know how many homozygous dominant and heterozygous are there? I can't even get the q value, can I?
You can find q and p using what you've been given
good simple video
They’re cool
👍👍👍
Exactly what i needed. Thank you!!
Please can Yu solve this equation y=2x+3
@@AnritaAndrew On its own? Impossible. Is there a supporting equation?
Thank you very much, man new suscriber, and follower
Hi sir super 6lottry now coming 23.16.11.09.49.44.number coming plz tell me formula sir ..
this is best video i found on internet to understand translation
Other videos were over an hour long, best explanation and example
interesting.... where would something like this be used?
@@shubanman Will get to that in future lessons!