Use allfour operations only once without parentheses to write an expression that has a value of 100 only using 3's
1 answer:
There are a lot of ways to write an expression using only
3 to get an answer of 100. Some examples are:
1st example:
3 / 3 + 3 * 3 * 3 * 3 * 3 * 3 * 3 * 3 * 3 * 3 * 3 * 3 * 3
= 1 + 99
= 100
2nd example:
3 / 3 + 3 * 3 * 3 * 3 + 3 * 3 * 3 – 3 * 3
1 + 81 + 27 – 9 = 100
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Answer:
x= 3, y= -2
Step-by-step explanation:
5x+3y= 9
x= 25÷7 + 2÷7 y
5(25÷7 +2÷7 y)
5( 25÷7 +2÷7 y ) + 3y= 9
y= -2
x= 25÷7 + 2÷7 x (-2)
x= 3
Answer:
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Step-by-step explanation:
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This is because 20 and it's opposite -20 is 40. (20 - -20 = 40). Then 40 is 20% of 200.
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Hope this helps.