Functions - math word problems - page 291 of 312
Number of problems found: 6228
- Simple interest 3
Find the simple interest if 11928 USD at 2% for 10 weeks.
- Simple interest 2
Find the simple interest if 16050 USD at 4.9% for 9 months.
- Mushrooms
Fresh mushrooms contain 94% water and dried 9%. How many kilograms of fresh mushrooms are needed to collect to get 10 kg dried?
- Train
The train is running at speeds of 96 km/h. From the beginning of braking to full stop, the train runs for 3.3 minutes. If the train slows the braking equally, calculate the distance from the location where you need to start to brake.
- Ratio
Unfold number 3690 in the ratio 15:11:4.
- Seating rules
In a class, there are 24 seats, but in the 7.B class, there are only 18 students. How many ways can students sit? (The class has 12 benches. A bench is for a pair of students.) Result (large number) logarithm and thus write down as powers of 10.
- Metallurgical enterprise
Metallurgical company daily produces 616 tons of cast iron. How many tons of coke does it burn to melt cast iron when 16 tons of cast consumes 11 tons of coke?
- Accidents
The count of accidents in 1995 caused 8780 women, which is 8.4%. How many men caused the accidents?
- Bottle
Bottle with wine costs 42 USD. Wine is 11 USD more expensive than the empty bottle. How much is the bottle itself?
- Circumferential angle
Vertices of the triangle ΔABC lay on the circle and are divided into arcs in the ratio 7:8:7. Determine the size of the angles of the triangle ΔABC.
- Lie/do not lie
The rule f(x) = -x-10 gives the function. Find whether point C[5; -15] lies on this function. Solve graphically or numerically and give reasons for your answer.
- Simple interest
Peter put into bank 853 euros deposit. After 7 years on account, overall was 984 euro. What was the interest rate if the bank added simple interest?
- VAT
In the country XYZ car, Daewoo Leganza costs 3748 Euros including VAT; 3335.72 Eur without VAT. a) Determine the rate of VAT. b) How much Euro VAT is paid for the purchase? c) How much percent of the total price of the goods is VAT? VAT = value-added tax.
- Circles
How many different circles are determined by 11 points at the plane if 7 of them lie in a straight line?
- Coffee
The coffee from the machine costs 28 cents per cup. Coffee is 20 cents more expensive than the cup. How much is the cup?
- Population
The town has 159,000 inhabitants. 25 years ago, there were 158,000. If the population's average rate is the same as in previous years, how many people will live in a city in 10 years?
- Diplomas
Suzanne helped write out diplomas. Issuance first took 3 minutes, each next 2.3 minutes. How much time will it take to write out n=16 diplomas (including the first) at this pace?
- Linear independence
Determine if vectors u=(-4; -10) and v=(-2; -7) are linear dependents.
- Log
Calculate the value of expression log |-10 -2i +7i²| .
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