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3 years ago

Which one is correct?

Mathematics

2 answers:

fredd [130]3 years ago

8 0

Answer: 最初の答え

Step-by-step explanation:

otez555 [7]3 years ago

3 0

Congruent because all of the other ones don’t make sense

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It forms vacuoles around them.

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3 years ago

Find the distance between (2,3) and (-4,9). If you get a radical (square

9966 [12]

Answer:

Length is 6√2 units or 8.49 units

Step-by-step explanation:

Length formular:

$length = \sqrt{ {(x _{2} - x_{1}) }^{2} + {(y_{2} - y_{1})}^{2} }$

x1 is 2

x2 is -4

y1 is 3

y2 is 9

$length = \sqrt{ {( - 4 - 2)}^{2} + {(9 - 3)}^{2} } \\ \\ = \sqrt{ {( - 6)}^{2} + {6}^{2} } \\ \\ = \sqrt{36 + 36} \\ = \sqrt{2 \times 36} \\ = \sqrt{2} \times \sqrt{36} \\ { \boxed{ \boxed{= 6 \sqrt{2} }}} \\ = 8.49 \: units$

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3 years ago

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Elina [12.6K]

Area of a trapezoid is height times the average of the bases,

A= 1/2 h (a + b)

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A = (1/2) (12) (30 + 12) = 6(42)= 252

Answer: B

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3 years ago

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3 years ago

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Answer:

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Step-by-step explanation:

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3 years ago

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