Functions - math word problems - page 11 of 13
Number of problems found: 246
- Right triangle trigonometrics
Calculate the size of the remaining sides and angles of a right triangle ABC if it is given: b = 10 cm; c = 20 cm; angle alpha = 60°, and the angle beta = 30° (use the Pythagorean theorem and functions sine, cosine, tangent, cotangent) - Trucks
Three lorries droved bricks. One drove n bricks at once, the second m fewer bricks than the first and the third 300 bricks more than the first lorry. The first lorry went four times a day. The largest went three times a day, and the smallest lorry five ti - Express
Express the equation of the function: a/prices of cucumbers for the number of cucumbers sold, if one cucumber costs CZK 5 b/the area of the rectangle on side b, if side a measures 5 cm c/the perimeter of the rectangle on side b, if side a measures 5 cm d/ - Domains: 4845
Specify function domains: a / y = 2x-1 b / y = 5x / (2x + 1) c / y = x² / (x²-9) - Graphic solution
Solve the system by the graphical method: x + y = 8 2x-y = 1 - Expression 4333 Evaluate the expression 9-4x for x = 0, -2.3 / 4, 2.4, 5
- Minimum of sum
Find a positive number that the sum of the number and its inverted value was minimal.
- Capacity 4296
The hotel's capacity is, in total, 30 quiet rooms. Double rooms are x. The rest are triples. Express in terms of the maximum number of guests. - The inverse
The inverse matrix for matrix A has a determinant value of 0.333. What value is a determinant of matrix A? - Derivative 4266
Calculate the value of the fifth derivative of this function: f (x) = 3x² + 2x + 4 - Derivative 4251
What is the value of the derivative of this function: f (x) = 12x - Derivative 4239
Determine the value of the derivative of the function f (x) = 10 - Coefficient: 3849
Determine the similarity coefficient: a) 4.8; 5.6; 8.4 b) 1.44; 1.68; 2.52 - Parametric equation
Find the parametric equation of a line with y-intercept (0,-4) and a slope of -2. - Function 3345
Perform the inverse function from f: y = 4x + 5.
- Intersection 3229
Intersection of graphs of functions y = 5x-2 and y = -3x-6 - Expression 3143
Determine the value of the expression 3x / 2 - 5/2 - 0,5x + 1 for x: a) x = 3 b) x = -3 c) x = 0 - Four-fifths 2764
There were 60 people at the rink, four-fifths of which were children under 15 years of age. A ticket for children under 15 costs €1 and for adults €2. a) How many children were there at the rink? b) How many adults were there? c) How many euros did they c - Including 2753
Martina helped the coach write diplomas. It took her 3 minutes to write her first diploma and her next 2 minutes. How many minutes will it take her to write n = 14 diplomas/including the first/if she works at this pace? - Intersections 2574
Calculate the intersections with the x and y axes of the function h: y = 4 / 5x-3
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