Isolating a variable in the formula - math word problems - page 129 of 144
Number of problems found: 2876
- Determine 3782
Determine the value of x if x0.5 = 6 - Determine 3779
Determine the perimeter of the rectangle if its length and width are 2:1 and the area is 98 cm². - Exponential equation
Find x, if 625^x = 5 The equation is exponential because the unknown is in the exponential power of 625 - Table
The circumference of the rectangle table is 420 cm. Length to width ratio is 5:2 . Calculate table dimensions and dimensions reduced in the ratio of 3:5 - Painting rooms
If Daniel paints for three hours daily, he completes it in 7.5 days. How many hours a day would he have to work to finish the job 1.5 days earlier? - Determine 3763
Determine the first and third GP members if q = -8, and a2 + a5 = 8176 - Reduction 3757
The goods became cheaper twice a row, first by 18% and then by 16% of the new amount. After this double reduction, it cost precisely 516 euros and 60 cents. Determine the flood amount of the goods.
- Determine 3755
Find the third term and the quotient GP if a2 = -3, a1 + a2 = -2.5 - Determine 3750
Determine x if 27^x = 1/3 - Unknown number 17
Milada said, I am thinking of a number such that I evaluate expression x1/3; the expression's value would be 5. Which number is Milada thinking? - Two girl's numbers
Dagmar and Julka had numbers. Dagmar's number was equal to the square root of Julka's number. The sum of Dagmar's and Julka's numbers equals 84. Find what number Dagmar and Julka had. - Determine 3746
Determine the third and fourth member of GP if q = -0.6 and a1 + a2 = -0.2 - Reduction 3745
The laptop was discounted by x euros. After a 15% reduction, it cost 595 euros. How many euros did the laptop cost before? - Quotient
Determine the quotient and the second member of the geometric progression where a3=10, a1+a2=-1.6, and a1-a2=2.4. - Sale off The product cost 95 euros before the sale. After-sale off cost 74 euros and 10 cents. About what percentage of products became cheaper?
- Coins
Denis and Zdeno together have 97 coins. If Denis had four coins less than he has now, the coins would be in the ratio 14:17. Determine the number of coins owned by Denis and Zdeno. - Cleaners
Milan would clean up the room for 2.5 hours, and Eric would take 10 hours. How long do they sweep the room together? - Determine AP
Determine the difference of the arithmetic progression if a3 = 7, and a4 + a5 = 71 - Unknown number 4
I think number. When I divided its square root by its 1/9, I got a number 1. What number am I thinking? - Equation: 3726
Determine the real root of the equation: x-3: x-8 = 32
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