Matematick Forum - Recent Topics https://matematick.com/forums/ Matematick Discussion Board en-US Sat, 18 Apr 2026 07:47:06 +0000 wpForo 60 Finding the probability that the die shows an odd number and the coin shows a head https://matematick.com/forums/probability/finding-the-probability-that-the-die-shows-an-odd-number-and-the-coin-shows-a-head/ Tue, 15 Jun 2021 14:31:45 +0000

A die is rolled and a coin is tossed, find the probability that the die shows an odd number and the coin shows a head.

]]> Staff https://matematick.com/forums/probability/finding-the-probability-that-the-die-shows-an-odd-number-and-the-coin-shows-a-head/ Finding the probability https://matematick.com/forums/probability/finding-the-probability/ Tue, 15 Jun 2021 14:31:09 +0000

In a box, there are 8 red, 7 blue and 6 green balls. One ball is picked up randomly. What is the probability that it is neither red nor green?

]]> Staff https://matematick.com/forums/probability/finding-the-probability/ Combination https://matematick.com/forums/combinatorics/combination-2/ Tue, 15 Jun 2021 14:30:42 +0000

In how many different ways can the letters of the word 'LEADING' be arranged in such a way that the vowels always come together?

]]> Staff https://matematick.com/forums/combinatorics/combination-2/ Combination https://matematick.com/forums/combinatorics/combination/ Tue, 15 Jun 2021 14:30:08 +0000 How many 3-digit numbers can be formed from the digits 2, 3, 5, 6, 7 and 9, which are divisible by 5 and none of the digits is repeated?

]]> Staff https://matematick.com/forums/combinatorics/combination/ Trigonometry triangles https://matematick.com/forums/triangles-diagonals/trigonometry-triangles-2/ Tue, 15 Jun 2021 14:28:57 +0000  pZ3Ty3HGgrWyMkOfGzy1MyBFhg9lVovF-soru-41-1.jpg

]]> Staff https://matematick.com/forums/triangles-diagonals/trigonometry-triangles-2/ Triangle and logarithm together https://matematick.com/forums/triangles-diagonals/triangle-and-logarithm-together/ Tue, 15 Jun 2021 14:28:14 +0000

Let A, B, C be the three interior angles of  \Delta ABC.  lgA, lgB, lgC form an arithmetic sequence. Find the range of B.

 

]]> Staff https://matematick.com/forums/triangles-diagonals/triangle-and-logarithm-together/ Triangles https://matematick.com/forums/triangles-diagonals/triangles-3/ Tue, 15 Jun 2021 14:27:01 +0000 The points of a six-pointed star consist of six identical equilateral triangles, with each side 4 cm (see figure). What is the area of the entire star, including the center?

]]> Staff https://matematick.com/forums/triangles-diagonals/triangles-3/ Rectangle https://matematick.com/forums/polygons/rectangle/ Tue, 15 Jun 2021 14:25:11 +0000 If a roll of wallpaper covers 30 square feet, how many rolls are needed to cover the walls of a recentagular room 10 feet long by 8 feet wide by 9 feet high?
There are no windows in the room

]]> Staff https://matematick.com/forums/polygons/rectangle/ Area geometry https://matematick.com/forums/polygons/area-geometry/ Tue, 15 Jun 2021 14:23:25 +0000  V2dL6qHNHVvt2E5i7bqO16BgpGEeraxB-soru-7.jpg

]]> Staff https://matematick.com/forums/polygons/area-geometry/ Height problem https://matematick.com/forums/polygons/height-problem/ Tue, 15 Jun 2021 14:21:53 +0000 Mira is making a curtain for her bedroom window.

The window height is the width. The wants the area of the certain to be 6 . What will be the height measurement of the curtain?

A) 2 ft.
B) 3 ft.
C) 4 ft.
D) 5 ft.
E) 6 ft.

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