Unit conversion - high school - math problems
Number of problems found: 131
Convert to arc measures (radians): 924 ° Result write as a multiple of π
If you know that cos(γ) = sin (806°), what is the angle γ?
- Ladder slope
What is the slope of a ladder 6.2 m long and 5.12 m in height.
By what percentage does the sound intensity increase if the sound intensity level increases by 1 dB?
- Depth angle
From a cliff of 150 meters high, we can see the ship at a depth angle of 9° at sea. How far is the ship from the cliff?
In the garden with an area of 8 ares rain 40hl of water. To what heights leveled water?
- Truncated pyramid
How many cubic meters is the volume of a regular four-sided truncated pyramid with edges one meter and 60 cm and high 250 mm?
How many times a day hands on a clock overlap?
- Flower boxes
How many m2 of 10mm thick boards are needed to make 12 flower boxes? The dimensions of the box are 180,150 and 1500 mm.
- An investment
How long will it take for an investment to double at a simple interest rate of 5.10% p. A. ? Express the answer in years and months, rounded up to the next month.
Determine the resistance of the bulb with the current 200 mA and is in a regular lamp (230V).
- Permille of alcohol
I have 2 per mille of alcohol in my blood. How many milliliters is it when I have 5 liters of blood?
Calculate the area and circumference of the regular decagon when its radius of a circle circumscribing is R = 1m
Calculate the height of 3 liter pot with shape cylinder with a diameter of 10 cm.
Calculate how many average minutes a year is a webserver is unavailable, the availability is 99.99%.
- Surface of the cylinder
Calculate the surface area of the cylinder when its volume is 45 l and the perimeter of base is three times of the height.
- Cable car
Find the elevation difference of the cable car when it rises by 67 per mille and the rope length is 930 m.
- Chemical parison
The blown parison (with shape of a sphere) have a volume 1.5 liters. What is its surface?
- Energy consumption
The device is connected to 230V and draws 3.5A current. Power consumption is 1932kJ. How many minutes has this device been in operation?
- Electronics: Resistors in parallel
From relation for calculating the resistance of parallel combination of resistors: ? Calculate the R, if R1 = 2Ω a R2 = 15Ω
Unit conversion - math word problems. Examples for secondary school students.