Basic operations and concepts - math word problems - page 125 of 321
Number of problems found: 6415
- Laurent series
Expand the function f (z) into the Laurent series at point z0 for the given annulus. f (z) = 1 / ((z-2) * (z-3)) a) z0 = 2, 0 3 - Regular price
The sale price of a television is 7200. The discount rate is 40%. Find its regular price. - Sum of the digits
How many are two-digit natural numbers that have the sum of the digit 9? - Unknown number
I think the number: Its half is 16 more than his quarter. I think the number is N. - Intersections with axes
Calculate the x- and y-intercepts of the function h: y = 4/5x-3 - Two numbers
Determine the numbers x and y, so x + y = 8 is true, and the numbers are in the ratio of 4:5. - School
The school attends 792 children, boys and girls ratio is 4:5. How many more girls go to school (than boys)? - Tippler
Bottle with cork cost 6.6 Eur. The bottle is 0.6 euros more expensive than the cork. How much are a bottle and the cork? - Quiz
The tested student answered correctly on a 3/6 question. The wrong answer was 16. How many questions were answered? - Radioactivity
After 113 hours decreases, the activity of a radioactive substance to 1/6 of the initial value. What is the half-life of the substance? - Increase 25741
I think the number. I'll increase it by 2/5. I'll get 63. What number did I think? - Unknown 18893
The number 290 is 16% larger than the unknown number. What's the unknown number? - Determine 7468
Determine the base if 2.8 per mille is 50. - Domains: 4845
Specify function domains: a / y = 2x-1 b / y = 5x / (2x + 1) c / y = x² / (x²-9) - Summands 4213
Divide the number 28 into two summands so that their product is maximal. - Ratios equation
Find the number x so that: 1:x=4:100 - Function 3
Function f(x)=a(x-r)(x-s) the graph of the function has an x-intercept at (-4, 0) and (2, 0) and passes through the point (-2,-8). Find constant a, r, s. - Four-digit number
Find all four-digit abcd numbers with a digit sum of 12 such that ab-cd = 1 - A perineum
A perineum string is 10% shorter than its original string. The first string is 24. What is the 9th string or term? - Dividing - fractions
11/4, what will we divide to get 11/12?
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