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zvonat [6]
3 years ago
7

Can a pair of lines be both parallel and skew?

Mathematics
1 answer:
adelina 88 [10]3 years ago
6 0
No: Skew lines<span> are defined as two </span>lines<span> that do not intersect and are not parallel.</span>
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Solve this equation 90x-60y is equal to 68 and 90x-70y is equal to 91​
Tanzania [10]

Answer:

Step-by-step explanation:

90x - 60y = 68.....multiply by -1

90x - 70y = 91

---------------------------

-90x + 60y = -68 (result of multiplying by -1)

90x - 70y = 91

---------------------------add

-10y = 23

y = -23/10 <===

90x - 60y = 68

90x - 60(-23/10) = 68

90x + 138 = 68

90x = 68 - 138

90x = - 70

x = -70/90

x = -7/9 <=====

3 0
3 years ago
Read 2 more answers
In triangle DEF measurement angle D = 45 degrees meausrement angle E = 63 degrees and EF = 24 inches. What is DE to the nearest
alexandr1967 [171]
Since the angles add to 180°, angle F is 72°.

Using the law of sines,

DF/sin72° = 24/sin45°
x = 32.28

So, did you just guess at A?

This is just an answer from another website, but it should still work.
7 0
3 years ago
Read 2 more answers
Two sides of a triangle measure 9 cm and 23 cm what could be the measurement of the third side of the triangle
Vladimir79 [104]
Pythagorean Theorem: a^2+b^2=c^2
(9)^2 + b^2 = (23)^2
81 + b^2 = 529
b^2 = 529 - 81
b^2 = 448
b^2 =
\sqrt{448}
b = 21.2
6 0
3 years ago
What is 24/36 simplified?
zhuklara [117]
Did it the longer way but i hope it helps you out.... Answer: 2/3

4 0
3 years ago
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A triangle has angle measurements of 53°, 27°, and 100°. What kind of triangle is it?
Artist 52 [7]

Answer:

Step-by-step explanation:

It's an obtuse.  A triangle is considered acute if all 3 angles are acute; it is considered obtuse if one of its angles is obtuse.  Ours has a 100 degree angle, so it is obtuse.

4 0
3 years ago
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