Which has the same value as 12 tens

Mathematics

2 answers:

Aleks04 [339]3 years ago

5 0

12 x 10 =120
120= to 12 tens

Vlad [161]3 years ago

5 0

6 twenties because 12 tens equal 120 while 6 twenties equal 120 as well. 6x20 or 12x10

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Expand and simplify (x+5)(x-2)

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Answer:

${x}^{2} - x - 12 = (x + 3)(x - 4)$

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Step-by-step explanation:

F [First terms] - Multiply the first terms in each set of parentheses FARTHEST TO THE LEFT

O [Outside terms] - Multiply the first term in the first set of parentheses FARTHEST TO THE LEFT by the last term in the second set of parentheses FARTHEST TO THE RIGHT

I [Inside terms] - Multiply the last term in the first set of parentheses FARTHEST TO THE RIGHT by the first term in the second set of parentheses FARTHEST TO THE LEFT

L [Last terms] - Multiply the last terms in each set of parentheses FARTHEST TO THE RIGHT

${x}^{2} - x - 12 = {x}^{2} - 4x + 3x - 12$