Grade - math word problems - page 869 of 915
Number of problems found: 18286
- Thermometer
The thermometer showed -4°C in the morning. Then, the temperature increased by 5°C, again increased by 5°C, decreased by 1°C, and then decreased by 4°C. Which terminal temperature thermometer shows?
- Brick
Brick weight before drying is 5.3 kg. After drying, the bricks are 1 kilograms lighter. After firing, 0.7 kg is lighter than after drying. What is the weight of the brick after drying and firing?
- Rectangle
Calculate the length of the side HM and diagonal EM of rectangle EHMQ when given: |QM| = 29 cm and angle ∠ EHQ = 36 degrees.
- Integers
Maybe the sum of two integers will be less than their difference?
- Operations
The sum of the numbers 3.54 and 2.56 multiply by the difference of numbers 6.37 and 4.22.
- 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| .
- Column
The vertical pole high 7 m tall broke, and its toe fell 4.7 m from the bottom of the pole. At what height above the ground does the pole break?
- Unit vector 2D
Find coordinates of unit vector to vector AB if A[-6; 8], B[-18; 10].
- Water tank
The water tank-shaped cuboid has a width of 2.3 m and a length twice as large. If water flows into 19 liters of water per second during 52 minutes, how high will it reach?
- Car range
Calculate the maximum range of cars, if you can spend 5 euros, the diesel price is 1.6 Eur/l, and car consumption is 5.4 l/100 km.
- Washing machine
The price of the washing machine decreased by 21% and then by 55 € due to small sales. After two price decreases, cost € 343. How much did it initially cost?
- Similarity coefficient
The similarity ratio of two equilateral triangles is 4.3 (i.e., 43:10). The length of the side of the smaller triangle is 7.5 cm. Calculate the perimeter and area of the larger triangle.
- Cups
We have three cups. In the cups, we had fluid and boredom we started to shed. 1 We shed one-third of the fluid from the second glass into the first and third. 2 Then, we shed one-quarter cup of liquid from the first to the second and to the third. 3 Then,
- Rhombus
The rhombus with area 95 has one diagonal that is longer by 7 than the second one. Calculate the length of the diagonals and rhombus sides.
- Prism
Calculate the volume of the rhombic prism. The prism base is a rhombus whose one diagonal is 47 cm, and the edge of the base is 27 cm. The edge length and height of the base of the prism are 4:3.
- Wavelength
Calculate the wavelength of the tone frequency 11 kHz if the sound travels at speeds of 343 m/s.
- Circle chord
Determine the circle's radius in which the chord 6 cm away from the center is 12 cm longer than the circle's radius.
- Skier
At this point, the first skier leads 20 km before the second skier and travels at a constant speed of 19 km/h. The second skier rides at 24 km/h. How long does it take him to catch up with the first?
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