Examples for secondary school students - page 76 of 229
Number of problems found: 4578
- Harmonic mean
If x, y, and z form a harmonic progression, y is the harmonic mean of x and z. Find the harmonic mean of the numbers 6 and 5. - Harmonic series
Insert four members between 5/3 and 5/11 to form a harmonic series (means). - Sequentially 35731
There are 6 different tickets marked with numbers 1 to 6 in the pocket. In how many different ways can we sequentially, taking into account the order, choose three of them, if the chosen tickets return to the pocket? - How much 2
How much money would you need to deposit today at 5% annual interest compounded monthly to have $2000 in the account after nine years? - If you 4
If you deposit $2500 in an account paying 11% annual interest compounded quarterly, how long until there is the $4500 in the account? - Deposit account How much money will be in the account after ten years if you deposit $4500 at a quarterly 5% annual interest compound?
- If you 2 If you deposit $4000 into an account paying 9% annual interest compounded monthly, how long will it take for the account to have $10000?
- Semiannually compound interest If you deposit $ 5,000 into an account paying 8.25% annual interest compounded semiannually, how long until there is $9350 in the account?
- Compound Interest
If you deposit $6000 in an account paying 6.5% annual interest compounded quarterly, how long will it take for the account to have $12600? - Find x 2
Find x, y, and z such that x³+y³+z³=k for each k from 1 to 100. Write down the number of solutions. - Insert 7
Insert five harmonic means between 3 and 18 - Insert four Insert four harmonic means between 3/7 and 3/19
- Insert 5
Insert five harmonic means between 1/2 and 1/26 - Constant Angular Acceleration
The particle began to move from rest along a circle with a constant angular acceleration. After five cycles (n = 5), its angular velocity reached the value ω = 12 rad/s. Calculate the magnitude of the angular acceleration ε of this motion and the time int - Harmonic HM example
Find the harmonic mean of 4 and 8.
- Goalkeeper
Mike plays as the goalkeeper 50% of the time if Peter is the coach in a football game. However, if Robert were coaching, he would only have a 30% chance. Peter coaches more than Robert in about 6 to 10 games. What is the probability that Mike gets to be t - 6-digit 35541
How many 6-digit numbers can be created from the number 1,2,3,4,5,6 if we must not repeat the numbers? - BRATISLAVA 35531
How many words can we make from all letters of the word BRATISLAVA? - Harmonic 4 Find the harmonic mean of -6 and 5.
- Harmonic mean Harmonic means of 6 and 12
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