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anzhelika [568]
3 years ago
13

PLEASE HELP!!! PRE CAL!!!

Mathematics
1 answer:
kipiarov [429]3 years ago
8 0
Please help my latest question

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Which of these pairs are like terms?<br><br> 17, 3x<br> 20x, 0.8x<br> 0.5x, 0.5y<br> 14x, 14
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B. 20x and .8x because they have the same variable
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3.1(p - 2.7) simplified:
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Solve x2+12x=82 using completing the square. Answer the questions below.
galben [10]

Answer:

exact form : x =  ± √ 118 − 6

Decimal form :  x =  4.86278049 or − 16.86278049

Step-by-step explanation:

Use the formula  ( b /2 ) ^2  in order to create a new term. Solve for  x  by using this term to complete the square.

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3 years ago
Can you double a square with a straightedge and a compass?
sergejj [24]
I'd say yes.  If you use the diagonal as a reference.  Take the square and set your compass to the width of the diameter of the square.  Now put it on the page and mark a point.  Put the point of the compass on that mark and make another mark.  Now you can connect the two marks with the straight edge and you have a line that, if you made a square with sides that long, it'd have 2x the area of the first one.  That's because the diagonal is the square root of 2 larger than one side.  Square the square root of 2 and you've got 2.  You lust need to make a perpendicular line to the first one to get the box going.
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2 years ago
A cheese box is shaped like a
prohojiy [21]

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yes because it is a triangle it goes into the box that is equal to 1/4 of its size

Step-by-step explanation:

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