Trigonometry is a branch of mathematics which studies the relationship between side lengths and angles of triangles. It evolved in the early BCs as part of astronomical studies in Greece
1. I am an odd number. Take away one letter and I become even. What number am I?
2. Using only addition, how do you add eight 8’s and get the number 1000?
3. Sally is 54 years old and her mother is 80, how many years ago was Sally’s mother three times her age?
4. Which 3 numbers have the same answer whether they’re added or multiplied together?
5. There is a basket containing 5 apples, how do you divide the apples among 5 children so that each child has 1 apple while 1 apple remains in the basket?
3 March 2021
Answers:
1. Seven (take away the "s" and it becomes "even").
2. 888 + 88 + 8 + 8 + 8 = 1000
3. 41 years ago, when Sally was 13 and her mother was 39.
4. 1, 2 and 3.
5. 4 children get 1 apple each while the fifth child gets the basket with the remaining apple still in it.
... and the winner is soothsayer
Participants:
-Deekay
-Skaygee93
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A number is used for counting or measuring. It can be represented by figures or words. Numbers have evolved along with mathematics-today there are natural numbers, negative numbers, fractions etc. In ancient times , Rome represented them by symbols. So we have Roman numbers.
Flowing from numbers, we have another science called numerology often used by tarot readers and astrologers
True or False
1. Electrons are larger than molecules.
2. The Atlantic Ocean is the biggest ocean on Earth.
3. The chemical make up food often changes when you cook it.
4. Sharks are mammals.
5. Atoms are most stable when their outer shells are full.
6. Filtration separates mixtures based upon their particle size.
7. Venus is the closest planet to the Sun.
8. Conductors have low resistance.
9. Molecules can have atoms from more than one chemical element.
10. Spiders have six legs.
DeeKay please write something about "spiders" to get reward.You can reply to the thread (this time only). soothsayer please write the following: " Participant, 11 March 2021" to get reward as participant.You can reply to the thread (this time only).