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3 years ago

Convert the polar expression of this complex number into its rectangular form:

Mathematics

2 answers:

Sergio [31]3 years ago

7 0

Answer:MARK BRAINLLEST MARK BRAINLLEST

(−5/2, 5/2√3)

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Step-by-step explanation:

Volgvan3 years ago

3 0

Answer:

$(-2,2\sqrt{3})$

Step-by-step explanation:

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kvv77 [185]

1 bag of 64
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3 years ago

Classify the polynomial:

Gelneren [198K]

Answer:

A. Cubic binomial.

Step-by-step explanation:

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3 years ago

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Stels [109]

Answer:

13. c,

14. a.

Step-by-step explanation:

13. The length of a side PQ with coordinates of

P as (x,y) and Q as (w,z)

is: $\sqrt{(x-w)^{2} +(y-z)^{2} }$

so, the length of the side AB =

$\sqrt{(5-5)^{2}+(-2+7)^{2} } =\sqrt{0^{2}+5^{2} } =5$

the length of side BC =

$\sqrt{(5-1)^{2}+(-7+2)^{2} } =\sqrt{(4)^{2}+(-5)^{2} } =\sqrt{4^{2}+5^{2} }$

the length of side AC=

$\sqrt{(5-1)^{2} +(-2+2)^{2} } =\sqrt{4^{2} } =4$

now, the easiest one will be when the vertices are on the coordinate axes.

so, option c will be the most appropriate one.

14. If u see the figure clearly, the lines l and FH are parallel.

the parallel postulate, i.e, the alternate interior angles will always be congruent.

here, the alternate interior angles are angle1 and angle4.

therefore to prove this step, he used parallel postulate as a reason.

so, the correct option is "a"

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4 years ago

Identify the volume of the figure in cubic units.

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Answer:

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Step-by-step explanation:

Count it. It's all visible for this question.

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3 years ago

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Vlada [557]

Answer:

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Step-by-step explanation:

x=90 because it is a right angle.

hope that helps!

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3 years ago