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podryga [215]
3 years ago
12

Does a quadrilateral always, sometimes or never have opposite sides

Mathematics
1 answer:
ziro4ka [17]3 years ago
4 0

Answer:

always

Step-by-step explanation:

with 4 sides you can conclude that every quadrilateral is going to have 2 pairs of opposite sides. the opposite sides might not be equal, but they will be there.

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What is (5a2 − 3a + 8) + (−4a2 − 1) + (15a + 11) expressed in its simplest form?
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The Answer is:

(5a2-3a+8)+(-4a2-1)+(15a+11)

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Is 8:12 equivalent to 10:15
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No it’s not because they don’t go into the same multiples
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Suppose X and Y represent two different school populations where X > Y and X and Y must be greater than 0. Which of the follo
Stells [14]

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X²+Y² would be greater than X²-Y² since addition gives a greater result than subtraction.

X²+Y² would be greater than 2(X+Y); this is because 2(X+Y) = 2X+2Y, which will be less than X²+Y², since X>Y.

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7 0
4 years ago
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At 3pm, the length of the shadow of a thin vertical pole standing on level ground is the same as the height of the pole. A while
aliya0001 [1]

Answer: The height of the pole is 175.97 ( approx )

Step-by-step explanation:

Let the height of the pole is x cm,

Also, let the angle of elevation of the sun to the pole at 3 pm is \theta

Thus, by the question,

tan\theta = \frac{\text{ The height of the pole}}{\text{ The height of the shadow}}

\implies tan\theta = \frac{x}{x}    ( at 3pm the height of shadow = height of the pole)

\implies tan\theta = 1

\implies \theta = 45^{\circ}

Again, according to the question,

When the angle of elevation is   (\theta - 12^{\circ}),

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\implies -0.3505924068 x = - 61.6937213538

x=175.969930202\approx 175.97\text{ cm}

4 0
4 years ago
Garica family bought 9 bags of cookies each bag had 15 cookies they have eaten 27 of the cookies how many cookies do they have l
vova2212 [387]
108 because 9 x 15 is 135 then 135- 27 is 108
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3 years ago
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