SocialTwist Tell-a-Friend

Ask a Question? Get an Answer!


Question: The math test scores of John are 87, 94, 76, 84 and 86. What score must he score on the next test to increase his mean to 86?


A ) 84
B ) 86
C ) 87
D ) 89

The right answer is Option D

Click Here To Go Back


Few Other Questions -

  • Which one of these is a tangent?..
  • Find the value of x, if PR‾ and QR‾ are tangent to the circle...
  • QP‾ is a tangent to the circle. Find the radius of the circle...
  • ML‾ and MN‾ are tangent to the circle. Find the value of y...
  • One leg of a right triangle is 18 cm long. The other leg is 4 cm less than the hypotenuse...
  • If a = 7.5 units and b = 10 units, then find the measure of the hypotenuse in the right tr..
  • If a = 16.8 units and c = 35.7 units, then find the value of b in the figure...
  • If b = 8.8 units and c = 11 units, then find the value of a in the figure...
  • If b = 15 cm and c = 5 cm, then find the value of x in the right triangle...
  • State which of the following measures will form a right triangle?I. 9, 12, 15II. 4, 6, 5..
  • If one side of a right triangle is 3 cm and the length of its hypotenuse is 4 cm, then fin..
  • The length of PR‾ in the figure is 112 in. What are the lengths of PQ‾ and..
  • AD‾ is the perpendicular bisector of BC‾. If AD = 24 cm and BD = 7 cm, the..
  • Identify the locus of points that satisfy the graph of both equations w + z = 3 and 5w = ..
  • Choose the locus of points that satisfy the graph of both equations 3x + y = 6 and - 4x - ..
  • Which of the following is the locus of points that satisfy the graphs of the equations?2x ..
  • Find the locus of points that satisfy the graphs of both equations m = n - 4 and 4m + n = ..
  • Find the locus of points that satisfy the graphs of both equations 5x - y = - 3 and - 4x +..
  • Identify the standard equation of the circle with center (8, - 5) and radius 9...
  • Which of the following represents the equation of a circle?..
  • Find the coordinates of the center of the circle whose equation is (x - 5)² + (y + 5)..
  • What does the equation x² + y² - 2x + 4y + 1 = 0 represent?..
  • What is the center of the circle whose equation is x² + y² - 6x - 8y - 6 = 0?..
  • AB‾ is a line segment with end points A(- 4, - 2) and B(6, - 2). Find the coordina..
  • AB is a line segment whose length is 10 cm. P is the midpoint of AB‾. Find the len..
  • What is the slope of a line parallel to 4x + 3y + 7 = 0? ..
  • Which of the following is not parallel to y = (35)x + 6?..
  • Find the equation of the line parallel to y = 4 and passing through (6, 5)...
  • What is the value of θ in the triangle?..
  • PQRS is a rectangle. Find the length of PT‾ without using Pythagorean theorem, if ..
  • What is the value of sin 25o rounded to the nearest thousandth?..
  • In ΔABC, x = 8 and z = 17. Find the value of tan A...
  • If tan 6° = 36x, then find the value of x...
  • A balloon at a height of 38 meters from the ground level is attached to a string inclined..
  • Find ∠B in ΔBAC...
  • In ΔDEF, if ∠E = 34o20', ∠D = 68o30' and f = 16.5 units, then find the lengt..
  • In ΔABC, if ∠A = 52o, a = 14 in., b = 8 in., then find the length of c to the ne..
  • In ΔPQR, if ∠Q = 70o, p = 15, q = 20, then find ∠R to the nearest degree...
  • In ΔPQR, if ∠Q = 62o, p = 15, and r = 12, then find ∠P to the nearest degree..
  • In triangle DEF, if ∠E = 54o30', d = 21.4, and f = 10.6, then Find ∠D to the neare..
  • Find the value of tan Q in right triangle PQR for x = 7 units, y = 24 units and a = 25 uni..
  • Find the value of tan A, if sin A = 35 and cos A = 45...
  • What is the value of sin 45o?..
  • Two trees of equal height stand on either side of a roadway, which is 35 ft wide. At a poi..
  • A ladder with its foot on a horizontal flat surface rests against a wall. It makes an angl..
  • Simon stands at 160 m away from the base of a building of height 92.32 m. Find the angle o..
  • The angle of elevation of the top of a hill from the foot of a tower is 35° and the an..
  • The difference between the lengths of the legs in a 30o- 60o- 90o triangle is (83 + 8) cm..
  • In a 30o - 60o - 90o triangle, find the ratio of the legs...
  • If the length of the hypotenuse of a 30° - 60° - 90° triangle is 22 cm, then t..
  • If the length of the leg opposite the 30° angle in a 30°- 60° - 90° triang..
  • Find the circumference of a circle in which a right triangle of base (b) 18 cm and height ..
  • Select the correct statement / statements.I. When a square is inscribed in a circle, the p..
  • In the figure shown, AB = 52 cm, CD = 44 cm. O is the center of the circle whose radius i..
  • Find z in the figure...
  • Find m∠ACB in circle shown...
  • Find the value of x...
  • Find ∠CAB using the figure shown...
  • Use the figure to find ∠SRQ...
  • Find (x + y)...
  • PQ = 16 cm, MP = 17 cm, and radius = 17 cm. Find the length of MO‾...
  • OL‾ is perpendicular to PL‾, OL = 16.5 cm and OP = 42.9 cm. Find the lengt..
  • Identify the secant in the figure shown...
  • Which one of these is a tangent?..
  • Find the value of x, if PR¯ and QR¯ are tangents to the circle...
  • QP¯ is a tangent to the circle. Find the radius of the circle...
  • ML¯ and MN¯ are tangents to the circle. Find the value of y...
  • Which of the transformations is an isometry of ΔABC?..
  • Which of these figures is a pre image of Figure 1 if the transformation is an isometry?..
  • How many lines of symmetry does the figure shown have?..
  • Which of the figures shown has no line of symmetry?..
  • Which of the following alphabets has no line of symmetry?..
  • How many lines of symmetry does the figure shown have?..
  • Which of the words has line of symmetry?..
  • Point R is located at (3, - 2). If you translate the point (x, y) → (x + 3, y - 2), t..
  • If you translate (- 4, 3) three units to the right and five units down, what are the coord..
  • If you reflect the point (4, - 6) over the x-axis, what are the coordinates of the reflect..
  • If you reflect the point (2, 5) over the y-axis, what are the coordinates of the reflectio..
  • ABCD is a quadrilateral with coordinates (3, 1), (6, 1), (5, 4) and (1, 3) is translated t..
  • Triangle ABC has vertices A(4, 4), B(8, 4), C(4, 8). Which of the graphs shows the reflect..
  • Figure B shows a fabric design. Name the motion applied to Figure A to get Figure B and co..
  • Which one of these is not a semi-regular tessellation?..
  • Identify the polygon that will tessellate the plane...
  • Identify the rule to describe the translation. S (4, 7) → S ′ (7, - 3)...
  • Identify the rule to describe the translation of the figure ABCDE to the figure A′B&..
  • Which one of the following is the angle of rotation when two lines intersect to form an an..
  • A is the midpoint of PQ‾. Identify the definitions that you would use to prove tha..
  • Find the scale factor for the Figure 1 to Figure 2...
  • Identify the scale factor for the Figure 2 to Figure 1...
  • Find the scale factor for the Figure 1 to Figure 2...
  • Identify the scale factor for the Figure 1 to Figure 2...
  • Identify the scale factor for the Figure 1 to Figure 2...
  • A photoframe is in the form of rectangle. The length of its diagonal measures 20 in. Find ..
  • Find the sum of u→ and v→ if u→ = (23) and v→ = (4- 5)...
  • Find the sum of u→ and v→ if u→ = (7- 2) and v→ = (8- 3)...
  • Find the sum of (54) and (6- 1)...
  • Find the sum of (921) and (- 34)...
  • Find the sum of (- 5- 8) and (7- 3)...
  • Find AB→ + BC→ in the figure shown...
  • Find the resultant of AC→ + CB→ in the figure shown...
    		•