3 years ago

Why would i use a straightedge to measure the length of a segment?

1 answer:

6 0

You would measure the length of a segment with a straightedge because it is free from curves and can help measure a segment because it is straight.

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Expand the expression and combine like terms: 2(−14+r)−(−3r−5)

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2r-20 is the answer combining the like terms and solving.

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3 years ago

The length of a living room is 12 feet and its width is 10 feet. The length of the room is being expanded by x foet. Select all

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3 years ago

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tatuchka [14]

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4 years ago

Solve using Quadratic Formula <br>x^2 + 3x - 3 = 0

katrin [286]

Answer:

a= 1 , b= 3 , c= –3

$x = \frac{ - b \frac{ + }{} \sqrt{ {b}^{2} - 4ac} }{2a} \\ x = \frac{ - 3 \frac{ + }{} {} \sqrt{ {3}^{2} - 4(1)( - 3)} }{2(1)} \\ = \frac{ - 3 \frac{ + }{} \sqrt{9 + 12} }{2} = \frac{ - 3 \frac{ + }{} \sqrt{21} }{2} \\ \\ x = \frac{ - 3 \frac{ + }{} \sqrt{21} }{2} \\ \\ x = 0.79 \\ x = - 3.79$

I hope I helped you^_^

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3 years ago

Hugh bought some magazines that cost $3.95 each and some books that cost $8.95 each. He spent a total of $47.65. If Hugh bought

Klio2033 [76]

He bought 4 books.

3.95m + 8.95b = 47.65

If he bought 3 magazines, m =3
(3.95)3 +8.95b = 47.65
11.85 + 8.95b =47.65
now we subtract 11.85 from both sides
8.95b = 35.80
we divide both sides by 8.95
b=4
Hugh bought 4 books.

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3 years ago

Read 2 more answers