Basic functions - math word problems
Number of problems found: 2267
How many three-digit natural numbers do not have the number 7?
- Linear independence
Determine if vectors u=(-4; -5) and v=(20; 25) are linear Linear dependent.
- Simple interest 2
Find the simple interest if 13905 USD at 4.5% for 6 months.
- Insert 6
Insert four harmonic means between 3/7 and 3/19
- Break time
Calculate how many percent of school time is spent on breaks. Calculate data for the whole week.
-12, 60, -300,1500 need next 2 numbers of pattern
- Christmas Day
In leap years was 53 Sundays. On what day of the week fell to Christmas Day?
- Reducing number
Reducing the an unknown number by 28.5% we get number 243.1. Determine unknown number.
Joshka had € 15. Mama took him 15%. How many had left?
- travel agency
Small travel agency offers 5 different tours at honeymoon. What is the probability that the bride and groom choose the same tour (they choose independently)?
- Circumference - a simple
What is the ratio of the circumference of any circle and its diameter? Write the result as a real number rounded to 2 decimal places.
- A perineum
A perineum string is 10% shorter than its original string. The first string is 24, what is the 9th string or term?
How many ways can 9 guests sit down on 10 seats standing in a row?
- The publisher
The publisher prepares the release of the dictionary. Print preparation costs no matter the number of printed copies of 150000 CZK. The printer charges 80 CZK for one print. A) What are the costs of one dictionary if 5000 copies printed? B) For what numbe
- Percentages 5
$5.25 is 7 1/2% of what number?
In a classroom are 30 students, boys are four times more than girls. How many boys are in the class?
- Together m+w
Women 30%. Men are 360 more. How many are together?
- Exponential equation
Determine the value of having y in the expression (3^y): (4^-1)=36. Unknown y is a natural number greater than zero.
- Price increase
A 20 percent price increase meant a 90-crown raise. How many cost a product after?
Jane eats whole lunch for the 30 minutes. Which part of the lunch is eaten in 180 seconds?