8 months ago

Please answer need to turn it in please help me answer

Mathematics

1 answer:

Elena-2011 [213]8 months ago

4 0

Answer: Sir in what way would you like me to explain this

Step-by-step explanation:

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Simplify the expression to a + bi form:<br> (9+7i)(6 + i)

Scorpion4ik [409]

$(9 + 7i)(6 + i) \\ = 54 + 9i + 42i + 7 {i}^{2} \\ = 54 + 51i - 7 \\ = 47 + 51i$

I hope I helped you^_^

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If the area of a square is 32 ft2, how long is its diagonal?

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Diagonal = 8

D=diagonal

A=area

A=D^/2

32=D^/2

32/1 = D^/2

cross multiplication

32x2=D^x1

64=D^

8 =D

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Answer:

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Step-by-step explanation:

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For trapezoid JKLM, A and B are midpoints of the legs. Find AB.

romanna [79]

Answer:

Step-by-step explanation:

The length of the median of a trapezoid equals one-half the sum of the lengths of the bases.

$\begin{array}{rcl}AB & = & \frac{1}{2}(JK + LM)\\\\& = & \frac{1}{2}(19 + 39)\\\\& = & \frac{1}{2}\times 58\\\\& = & \mathbf{29}\\\end{array}$

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3 years ago