Inequalities - math problems

Number of problems found: 38

  • Inquality
    compare_4 Solve inequality: 3x + 6 > 14
  • Quadratic inequation
    eq2_8 If 5x + x² > 100, then x is not
  • Reciprocal
    inverse It is true (prove it) that if a> b> 0: ?
  • 3-bracket 2
    1triangle May be the smallest angle in the triangle greater than 70°?
  • 3-bracket
    triangle2 May be the largest angle in the triangle less than 20°?
  • 3-bracket 3
    triangle_3 Two angles in a triangle are 90° and 60°. Has triangle at least two equal sides?
  • Party
    party-informatikov At the party everyone clink with everyone. Together, they clink 406 times. How many people were at the party?
  • Sum of dividend
    numberline_11 If X is divided separately 2.63 and 1.40. And the results of the individual divisions are added to give a result less than X. What is X?
  • QuizQ
    green_triangle_1 An isosceles triangle has two sides of length 7 km and 39 km. How long is a third side?
  • Inequation
    inequalities Solve the inequation: 5k - (7k - 1)≤ 2/5 . (5-k)-2
  • Triangle
    red_triangle For how many integer values of x can 6, 19 and x be the lengths of the sides of triangle?
  • Three-digit numbers
    eq2_1 How many three-digit numbers are not closer to 600 on the number axis than to 400?
  • Quadratic function
    eq2_graph It is given a quadratic function y = -4x2+5x+c with unknown coefficient c. Determine the smallest integer c for which the graph of f intersects the x-axis at two different points.
  • Report card
    vysvedcenie_1 Ivor hit 4× grade 5 at the beginning of the school year. How many times must now catch grade 1 to get grade 2 on the report card?
  • More money
    fun Lenka has €4.8 more than Natalia. Who will have more and how much, when Lenka give Natalia €2.5?
  • Line
    negative_slope Straight-line passing through points A [-3; 22] and B [33; -2]. Determine the total number of points of the line in which both coordinates are positive integers.
  • Intersections
    intersect_circles How many intersections have circles with radius 16 mm and 15 mm, if the distance of their centers is 16 mm.
  • Circle chord
    tetiva Determine the radius of the circle in which the chord 6 cm away from the center of the circle is 12 cm longer than the radius of the circle.
  • The perimeter of the rectangle
    rectangle The length, l, of a rectangle is 4 inches greater than its width, w. The perimeter of the rectangle is at least 30 inches. What inequality shows the range of possible widths of the rectangle?
  • 600 pencils
    fixy_2 600 pencils we want to be divided into three groups. The biggest groups have ten pens more than the smallest. How many ways can this be done?

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