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Leya [2.2K]
3 years ago
7

a square is a figure with two pairs of parallel sides and four write angles. is the statement a good definition? if not find a c

ounterexample
Mathematics
2 answers:
Ahat [919]3 years ago
7 0
The statement is not a good definition.

A counterexample is a rectangle.

A rectangle has two pairs of parallel side and four right angles, but it is not a square.
sertanlavr [38]3 years ago
5 0
No, because that could easily be defining a rectangle as well as a square.

A square is a figure with two pairs of parallel sides of the same length, and four right angles.
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Zarrin [17]
Number 6. 12 1/2 pt
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5 0
3 years ago
The values of x and y are proportional. Determine the constant of proportionality(k)
Studentka2010 [4]
<h3>The constant of proportionality is k = 5</h3>

For direct proportion equations, you divide the y value over its corresponding x value to get the value of k.

For example, the point (x,y) = (2,10) is on the diagonal line. So k = y/x = 10/2 = 5.

Another example: the point (x,y) = (6, 30) is also on the same diagonal line, so k = y/x = 30/6 = 5 is the same result as before.

You can use any point on the diagonal line as long as it is not (0,0). This is because division by zero is not allowed.

side note: the direct proportion equation y = k*x becomes y = 5*x which is the graph of that diagonal line. The slope is m = 5, the y intercept is b = 0. All direct proportion graphs go through the origin as shown in the diagram.

3 0
3 years ago
What is accurate about the scientific results learned by counting tree rings? Study of tree rings and associated geology shows t
marissa [1.9K]

Answer:

The correct answer is "Study of tree rings and associated geology shows that the Earth is more than 12,429 years old"

Step-by-step explanation:

While tress have been growing long enough to prove the earth is more than 12,000 years old, it is not able to prove much longer than that. Luckily geology is able to show is that Earth is over 4.6 billions years old. As a result, the above is the only true statement.

5 0
3 years ago
Aaron is 53 ž inches tall. His friend Xaviar was 48.75 inches tall, but grew 2 inches over
abruzzese [7]

Answer:

2..25

Step-by-step explanation:

7 0
3 years ago
10 points!!!!!?!!!! Tyrone wants to know how much wrapping paper is needed to cover a box with the dimensions shown
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Answer: B.54 Square inches

Step-by-step explanation:  Surface Area

= 2(lb + bh + lh)

= 2(6 x 3 + 3 x 1 + 6 x 1)

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= 2(27)

= 54 square inches

7 0
2 years ago
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