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babunello [35]
3 years ago
8

Which expression is equivalent to

Mathematics
1 answer:
kakasveta [241]3 years ago
4 0
3rd one (see attached)

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What’s 2 plus 2 <br> Pupil:4<br> That’s good <br> Good?, that’s perfect!
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4

Step-by-step explanation:

2+2=4

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Round to the place value of the underline 9 in 497,385
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Vince can mop a floor in 30 minutes. Annie can mop the same floor in 45 minutes. How long would it take them to mop the floor if
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5 0
3 years ago
PLEASE HELP
nirvana33 [79]

You don't say whether this is a right triangle or not.

Assuming it is a right triangle, then we use the Pythagorean Theorem to determine the length of the hypotenuse:

(hypo) = (length of third side) = √(12^2 + 4^2) = √(144+16) = √160 = 4√10.

This is approx. 12.65 inches. Since this does not match any of the possible answer choices, we'll have to take a different approach to answering this question.

Given that 2 sides of the given triangle are 12 and 4 inches, respectively, we see that the 3rd side has to be longer than 8 inches; otherwise we'd have three line segments on the same line, not forming a triangle.

By this reasoning, 9 inches is the only possible answer that could be correct. With sides 12, 9 and 4 inches, the triangle would be obtuse and appear quite flat, but not be part of a straight line as with a third side of 8.


6 0
3 years ago
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