3 years ago

What is a triangle with three unequal side lengths and one obtuse angle

1 answer:

7 0

That would be an obtuse scalene triangle, which has three unequal side lengths and an angle of degree measure bigger than 90 degrees.

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kherson [118]

Answer:

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Step-by-step explanation:

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3 years ago

Which is another way to write the expression t • (14 - 5)

zaharov [31]

C is the answer by using distributive property

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A tortoise and a hare are competing in a race around a 1600-meter track. The arrogant hare decides to let the tortoise have a 78

Sindrei [870]

I am presuming that the question is who won or by how much did the winner win.

distance equals rate times time, or d = r*t
For the Hare d = 1600 and r = 10
1600 = 10 t
Divide both sides by 10
t = 160
The hare finished in 160 seconds

For the tortoise d = 1600 - 780 = 820 (due to the head start) and r = 5.3
820= 5.3 t
Divide both sides by 5.3
t = 154.72 (rounded to the hundredths place)

The tortoise won by 5. 28 seconds (160-154.72)

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4 years ago

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PtichkaEL [24]

5x-7
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3 years ago

Determine whether the lines passing through the pairs of points are parallel, perpendicular or neither. Line a: (−4,4) and (8,−1

mario62 [17]

Answer:

Perpendicular.

Step-by-step explanation:

Find the slopes of each line through $m = \frac{(y_2-y_1)}{(x_2-x_1 )}$

Line a:

m = (-10-4) / (8--4)

= -14/12

= -7/6

Line b:

m = (20-8) / (18 -4)

= 12/14

= 6/7

When lines are parallel, they have the same slope. Since -7/2≠6/7, they are not parallel.

When lines are perpendicular, the product of the slopes equals -1.

-7/6 x 6/7 = -1

The product is -1, hence they are perpendicular lines.

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3 years ago