Equation + direct relationship - math problems
Number of problems found: 64
If it is true that ? is:
- Angles ratio
In a triangle ABC true relationship c is less than b and b is less than a. Internal angles of the triangle are in the ratio 5:4:9. The size of the internal angle beta is:
- Linear independence
Determine if vectors u=(-4; -5) and v=(20; 25) are linear Linear dependent.
For linear function f(x) = ax + b is f(14)=179; f(15)=154. Calculate m, if f(m) = 2019 .
Convert 270° to radians. Write result as multiple of number π.
- A bucket
A bucket has 4 liters of water in it when it is 2/5 full. How much can it hold?
Leslie bought 8 same chocolates for 16 Eur. How many euros will he pay for 25 chocolates?
Allen save € 2860 to buy a car. Yet it lacks save 55% of the car price. How much is the car?
- Angles ratio
The internal angles of a triangle are in ratio 1:4:5. What kind of triangle is it? (solve interior angles and write down and discuss)
Calculate how many average minutes a year is a webserver is unavailable, the availability is 99.99%.
- The orchard
4 temporary workers harvested the orchard in 9 days. How many temporary workers we need for six days?
104 cow consumes 6968 kg hay per day. How many kg of hay consume one cow in one day?
- Copy typist
Typist for 12 hours rewritten 15% of the manuscript. After how many hours he will done 35% of the manuscript?
The gross wage was 1323 USD including 25% bonus. How many USD were bonuses?
- Line segment
Cut a line segment of 15 cm into two line segments so that their lengths are in ratio 2:1. What length will each have?
Jan is 13 years and Peter 21 years old. For how many years will their ages in the ratio of 7:9?
If I read 15 pages a day, I will read the whole book in 18 days. How long will it take to read a book if I only read 9 pages every day?
- Machines 2
2 machines for 50 hours produces 2,000 products. How many machines need to buy to make in 30 hours 15,000 products?
The square of the first number is equal to three-fifths of the second number. Determine both numbers if you know that the second number is 5 times greater than the first, and neither of numbers is not equal to zero.
Three siblings Helena, Oliver and George split the bag with candies on merit in the ratio 6:1:4. How many candies should each get if in bag were 88?
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