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bazaltina [42]
3 years ago
7

If one pair of opposite sides of a quadrilateral is congruent, when is the quadrilateral a parallelogram?

Mathematics
1 answer:
MAVERICK [17]3 years ago
8 0
If one pair of opposite sides of a quadrilateral are both congruent and paralell then it is a paralellogram
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A ball is thrown vertically upward. After t seconds, its height h (in feet) is given by the function h(t) = 52t - 16t^2 . What i
ahrayia [7]

Answer:

42.25 feet

Step-by-step explanation:

The height function is a parabola.  The maximum value of a negative parabola is at the vertex, which can be found with:

x = -b/2a

where a and b are the coefficients in y = ax² + bx + c.

Here, we have y = -16t² + 52t.  So a = -16 and b = 52.  The vertex is at:

t = -52 / (2×-16)

t = 13/8

Evaluating the function:

h(13/8) = -16(13/8)² + 52(13/8)

h(13/8) = -169/4 + 169/2

h(13/8) = 169/4

h(13/8) = 42.25

7 0
2 years ago
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In a histogram, are the lengths of the rectangles proportional to the width of the bars?​
Orlov [11]

Answer:

No

Step-by-step explanation:

In different scenarios, the data will be different. However, sometimes, it's impossible to draw a histogram with equal widths, so in order to maintain clarity and fairness, the area of the bars should actually be proportional to the frequency, which is usually the y-axis of the graph or height of the bars.

Hope this helps!

5 0
3 years ago
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(a)Find an angle between 0° and 360° that is coterminal with 865° .
CaHeK987 [17]

<h3> Answer:</h3><h2>a.215</h2>

I don't know in letter b.

#CaRRyOnLeArniNG

7 0
2 years ago
Which is greater 6,200 ft or 1 mi 900 ft?
Tasya [4]
1 mi and 900 ft,1 mile = 5280 ft
8 0
3 years ago
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The number 1000 has how many factors of 10
melomori [17]

Answer:

<h2>10³ = 1000</h2>

<h3>∴ 1000 has 3 factors of 10.</h3>

Hope it will be helpful!!!

<h2>My Pleasure!!! </h2>
8 0
3 years ago
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