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Earn +20 ptsQ: What is a computer that adds and subtracts?
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Continue Learning about Math & Arithmetic
What is the rule in comparing a set of fractions?
the top adds what the bottom adds. the top subtracts what the bottom subtracts. the top divides what the bottom divides. the top multiplies what the bottom multiplies.
What multiplies to 20 and adds or subtracts to -8?
12
What adds up to give you 2 but subtracts to give you -3?
-1
What two numbers multiplies out to -600 and adds up to ten?
In the case I would first write ALL factors of 600 and find the differences. 1x600 2x300 3x200 4x150 5x120 6x100 8x75 10x60 12x50 15x40 20x30 24x25 The one that subtracts to give the answer is -20 and 30
How do you write a four in roman numerals?
IV ....if you put I in front of another roman numeral, it subtracts from that numeral. If you put the I after the other numeral, it adds to its value. IV is 5-1=4 IX is 10-1=9 VI is 5+1=6 XI is 10+1=11
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