Algebra - math problems
Number of problems found: 3392
- Powdered milk
A can of powdered milk and a can of evaporated milk cost $83.90 together. Two cans of evaporated milk and a can of powdered milk cost $118.05. How much is 1 can of powdered milk? How much is 1 can of evaporated milk? - Solve:
Solve: 2r2+7r-r2-9 - Four pieces
A 37 centimeter board is cut into four pieces the first piece and the second piece are the same length similarly the third and the fourth piece are the same length if the fourth piece is quadruple the difference of the first piece and 10 cm. Find the leng - Temperatures
Temperatures in degrees Fahrenheit and Celsius are related by the rule F = 1.8C + 32. What is the temperature in degrees Celsius if it is 50°F? - Sharing money
A certain sum of money is shared in the ratio 2 :3:9. If the difference between the first and the second is $40, then the amount of money shared is - Two simple
Two simple fraction have the product of 3/10. When the smaller fraction is divided by the bigger fraction, the quotient is 5/6. What are the two fractions in simplest form? - Simple equation
Find the value of x in 21-3x=x+1 - The expression
What is the value of the expression ((62+60))/(23) - Apple collecting
Luke, Peter and Tibor compared how many kilograms of apples they had collected. They found that the arithmetic mean of what Luke and Peter collected was 10 kg larger than Tibor's contribution, and the arithmetic mean of what Luke and Tibor collected was 3 - Intersect of sets
Refer to the sets below: U = {1,2,3,. .. ,10} A = {1,2,3,4,5} B = {2,4,6,7,8} C = {4,5,6,8,10} A ∩ B ∩ C = ___ - Lcm = 22 + gcd
The least common multiple of two numbers is 22 more than their greatest common divisor. Find these numbers. - 144 steps
To get around the garden we have to take 144 steps. 8 steps less in width than in length. One step is 5 decimetres long. What are the dimensions of the garden? What is its perimeter and its area? - Most divisors
From the natural numbers from 1 to 100, find the one that has the most divisors. - Gas prices 2021
According to the SPP price list in 2021, the price of natural gas together with its supply is as follows: D1 - we cook. Fix 3.34 euros/month and 0.0479 euros/kWh (1 cubic meter of gas is approximately 10.555 kWh. It is called combustion heat and changes o - The width
The width of a rectangular garden is 4 m less than the length. If the area of a rectangular garden is 96 square meters, what is the dimension of the garden? - Nice two numbers
What two numbers we give a sum of 30 difference of 24 products of 81 and a quotient of 9? - 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? - 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? - Marshall
Marshall earns a salary of 36,000 in each year and he receives a $4000 raise Jim and the salary of 51,000 each year and he receives a 1500 rays how many years will it take before Marshall and Jim are in the same salary - Given 2
Given g(x)=x2+x+1 where x=t2. What is g(t²)?
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