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Lapatulllka [165]
3 years ago
14

Determine the most precise name for quadrilateral ABCD. Answers: parallelogram quadrilateral rhombus kite angles: (7,6) (3,5) (2

,1) (6,2)

Mathematics
1 answer:
devlian [24]3 years ago
3 0

Answer:

  rhombus

Step-by-step explanation:

It is helpful to plot the points on a graph. There, you can see that the rise and run of each segment are 1 and 4 (or vice versa). This tells you they are the same length, but not perpendicular.

A quadrilateral with all sides the same length, but not perpendicular, is a rhombus.

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A circle has a radius of 15 inches. What is the area, in square inches, of this circle? (The area of a circle with a radius of r
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Step-by-step explanation:

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From a standard deck of cards, a 5-card hand is dealt. Calculate the number of hands that contain 4 diamonds and 1 black king
rjkz [21]

Answer:

1430

Step-by-step explanation:

Given that a standard deck of cards is 52 cards, we have 13 Diamonds and we need 4 diamonds.

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Therefore:

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=> 13! ÷ [4! (13 - 4)!] * 2! ÷ [1! (2-1)!]

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7 0
3 years ago
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3 years ago
Read 2 more answers
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vichka [17]

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cos x = ± cos(π/6)

Let's do plus first.  In general, cos x = cos a has solutions x = ±a + 2πk integer k

cos x = cos(π/6)

x = ±π/6 + 2πk

Minus next.

cos x = -cos(π/6)

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cos x = cos(5π/6)

x = ±5π/6 + 2πk

We'll write all our solutions as

x = { -5π/6, -π/6, π/6, 5π/6 } + 2πk integer k

3 0
3 years ago
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