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joja [24]
3 years ago
9

From this given statement, select the definition, property, postulate, or theorem that justifies the proven statement. Given: Rh

ombus RSTU Prove: Rt SU
A. The diagonals of a rhombus bisect each other.
B. Definition of a rhombus
C. Definition of perpendicular lines
D. The medians of a rhombus are perpendicular to each other.
E. The diagonals of a rhombus are perpendicular to each other.

Mathematics
1 answer:
anyanavicka [17]3 years ago
4 0

Answer:

E

Step-by-step explanation:

Shapes that have perpendicular diagonals (including squares) have perpendicular diagonals.

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What type of line is the graph of y = 7? A) Vertical B) Horizontal C) Rising D) Falling
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Vertical line, because it doesn't have an x-coordinate unit of change so the line would just be straight and vertical along the graph (0, 7).
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Which measurement is the best estimate for the mass of an apple?
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Jack is 13 years younger than his older brother, Tyler. Their Dad is twice Tyler's age. The sum of their ages now is 91. Find Ja
grin007 [14]

Answer:

13 years old

Step-by-step explanation:

So to solve this we use a system of equations. Let's use "j" to represent Jack, "t" to represent Tyler, and "d" to represent the dad. Set the system up and it will look something like this:

j = t - 13 (Jack is 13 years younger than Tyler)

d = 2t (Dad is twice Tyler's age)

d + j + t = 91 (The sum of the ages is 91)

And then solve, I solved by isolating the "j" variable on the last equation, giving us j = 91 - t - d, then plugged that into the first equation, giving us 91 - t - d = t - 13, and got d = 104 - 2t. Then I plug that into d = 2t, giving us 104 - 2t = 2t, and solve for t. T is 26, meaning Tyler is 26 years old, and then I just subtract 13 from that, giving us 13 years old.

And finally, I obviously checked my answer, because now we know dad is 52, and I got 91.

5 0
3 years ago
-5+13=k<br><img src="https://tex.z-dn.net/?f=%20-%205%20%2B%2013%20%3D%20k" id="TexFormula1" title=" - 5 + 13 = k" alt=" - 5 + 1
Vikentia [17]
Use the communicative property of addition to switch to order and you get
13 - 5, so the answer is 8, or k = 8

OR

-5 + 13 = k
Combine like terms
8 = k
or
k = 8<span />
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4 years ago
What is the equation of the line of best fit for this data
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Answer:

y = 0.96x + 0.57


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3 years ago
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