Grade - math word problems - page 313 of 943
Number of problems found: 18857
- I-beam
If an I-beam is 12'- 6 1/2" long and needs to be cut into four equal sections, how long will each section be?
- Directly 55591
If n is a natural number that gives a division of 2 or 3 when divided by 5, then n gives a residue of 4 when divided by 5. Prove directly
- Indirectly: 55581
Prove indirectly: No odd natural number is divisible by four.
- Contradiction 55571
Use the truth table to evaluate the truth of the compound statement (a) [P ∧ (Q ∨ R)] ⇔ [(P ∧ Q) ∨ (P ∧ R)] (b) ¬(P ⇒ ¬Q) ⇒ (¬P ∧ Q) and decide each time whether it is a tautology or A contradiction.
- The car
The car consumes 5 liters per 100 km and has 24 liters of gasoline in the tank. How much petrol remains in the tank after it rides for two and a half hours at a speed of 80 km/h?
- Specific series
Complete the next three members of the series formed according to a specific rule: 1, √2, 9, 2, 25,. ..,. ..,. ..
- Children and horses
There are some children and horses in a field. Together they have 39 heads and 122 feet. How many children are in the field, and how many horses are in the field?
- The temp range
What is the range in temperatures if the high temperature is 67 degrees Celsius and the low temperature is -25 degrees Celsius?
- The tire
The tire of a car has a radius of 10.5 inches. How many revolutions does the tire need to make for the car to travel 13,200 inches? Round to the nearest whole revolution.
- Wall builders
If 12 men can build a wall 398 meters long in 48 days, how long would it take 33 men to build a wall 347 meters long? Answer to 3 decimal places.
- Rachel
Rachel fills 9/10 of a bucket with water and 3/5 of another bucket of the same size. How much water does she have in total?
- Different 55491
Add the same numbers after the same letters and different numbers after the other letters so that equality applies: KRAVA + KRAVA = MLIEKO, where K is an odd digit.
- Four-digit 55481
Find all four-digit abcd numbers to which abcd = 20. ab + 16. cd, where ab and cd are double digits numbers from digits a, b, c, and d.
- Decimal to percentages
A) What is 1.18 as a percent? B) What is 0.38 in percent notation? C) Write 65% as a fraction. Simplify.
- In 2011
In 2011, assuming about 61.3% of the households in Colorado owned pets. Find the decimal notation for 61.3%.
- Coefficients 55451
Write a system of 3 linear equations with 3 variables (x. Y. z), which has all non-zero coefficients and a solution x= 2+t, y=3-2t, z=t, where t€R. The fact that the system has all non-zero coefficients means that all numbers in the extended matrix of the
- Construction 55441
By improving the work process, constructing a family house saved CZK 111,600, which was 5% of the total budget. What was the original budget for a family house?
- Central Park
Central Park is a rectangular park in New York City, and the map scale is 1 cm: 320 m (It means 1 cm on the map represents 320 m in the real world. ). Find the north-south distance if the length on the map is 2.5 cm.
- Martina
Martina is solving the equation 4x - 11 = 2x + 391. Here are the first steps of her solution. 4x - 11 = 2x + 391 2x - 11 = 391 2x = 402 What did Martina do to get 2x - 11 = 391?
- Bamboo 2
A piece of bamboo is 2 1/4 meters long. Jessie cuts 1 1/3 meters to be used for making some kites and another piece 3/4 meters long to be given to his friend. How long is the remaining piece of bamboo?
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