Expression of a variable from the formula - math word problems - page 123 of 139
Number of problems found: 2769
- Lighthouse
The man, 180 cm tall, walks along the seafront directly to the lighthouse. The male shadow caused by the beacon light is initially 5.4 meters long. When the man approaches the lighthouse by 90 meters, its shadow is shorter by 3 meters. How tall is the lig - Determine 3841
Determine the value of x: 2^x = (2-3): 2 - Determine 3840 Find z if 12^z = 1/144
- Natural 3838
Find a natural number whose square root is 27 times its square root.
- Tetrahedral prism
Calculate the area and volume of a tetrahedral prism that has a base rhomboid shape, and its dimensions are: a = 12 cm, b = 70 mm, v_a = 6 cm, v_h = 1 dm. - Volume and area
What is a cube's volume with an area of 361 cm²? - Difference 3832
Determine the difference AP if a1 = -7.5 and a1 + a2 = 4.8. - Previous 3824
There are 48 bottles in the third row, seven fewer in each row than in the previous row. Find the number of bottles in the first row. - Determine 3821
Determine y: 32^y = 2
- One-fourth 3820
Darius said to Miloš: I think a number. If I square it to one-fourth and then multiply it by 3, I get its square root. Find the unknown number that is greater than zero and belongs to the set of positive integers. - Infinitely 3818
We have 2 numbers. If we multiplied the first number's third root by the second number's square root, we would get the number 18. Determine these 2 numbers. Calculate only the integer solution if the problem has infinitely many solutions in the set of rea - Mean
The mean of 50 items for a student's food is 38.6. When checking the work, he found that he had taken one item as 50 to read as 40 correctly in these circumstances. What should the correct arithmetic mean? - Specify 3808
Specify a number that is 61% less than 10². - Rectangle Calculate the area of the rectangle if its length is 12 cm longer than its width and length is equal to the square of its width.
- Difference 3802 Determine the second term and the difference AP if a3 = 5 and a1 + a3 = 16.
- Expression 3801 What is the value of x in the expression 8^x = 1/64
- Determine 3800
Dano and Juraj have a total of 120 euros. Juraj has 40% less money than Daniel. Determine how much money Daniel and Juraj have. - Cargo
The car with cargo weighs 7610 kg, which is 23% of its total weight and cargo. How heavy is the cargo? - Q of GP
Calculate the quotient of geometric progression if a1=5 and a1+a2=12.
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