Functions + direct relationship - math problems
Number of problems found: 296
For linear function f(x) = ax + b is f(14)=179; f(15)=154. Calculate m, if f(m) = 2019 .
- Simple interest 3
Find the simple interest if 11928 USD at 2% for 10 weeks.
If it is true that ? is:
- Six students
Two pupils painted the class in four hours. How long will it take for six pupils?
Michal has 2.90 per hour. How much does he earn during the week of the summer job?
- 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:
- Fast tourists
If three tourists pass the route in 5 hours, how long will the same route take six equally fast tourists?
- Motor oil
30 liters of oil cost 28.80 Euros. How much cost a liter?
- Package Deal - what to choose
The parents decided to purchase a mobile phone to their son. They choose from menu: ? Which offer is best?
- 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.
In a local supermarket, 3/5 kilograms of squid cost 156.00. How do 4 kilograms of squid cost?
- One deci
Wine 0,375 l costs 2040 CZK. How much does 1 dl cost?
- Map 3
Map scale is M = 1: 25000 . Two cottages which are shown on the map are actually 15 km away. What is its distance on the map?
- Slope RR
A line has a rise of 2 and a run of 11. What is the slope?
Two hours 24 students harvested chestnuts on 36 acres. How many square meters harvested one student per hour?
- Gas consumption
The vessel consume 100 tons of gas in 250 miles. How many fuel will the vessel consume if it travels 400 miles?
Potatoes contain 78.6% starch. How many potatoes need to obtain 27 kg of starch?
Divide the string length 800 cm in ratio 1: 5
Cyclist drives 5 km in half an hour, how long will drive in 3 hours?