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butalik [34]
3 years ago
13

What is the answer the proprtion m+12/9m=5/9

Mathematics
1 answer:
Delvig [45]3 years ago
7 0
(m + 12) / 9m = 5 / 9
cross multiply
(5)(9m) = 9(m + 12)
45m = 9m + 108
45m - 9m = 108
36m = 108
m = 108/36
m = 3 <==
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Step-by-step explanation:

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3 years ago
Trig: Which complex number's graph is shown?
Andrei [34K]

ANSWER

2 \sqrt{2} ( \cos( \frac{7\pi}{4}   + i  \sin(  \frac{7\pi}{4} ) )

EXPLANATION

The complex number shown has coordinates (2,-2)

or

z = 2 - 2i

The modulus is

|z|  =  \sqrt{ {2}^{2}  +  {( - 2)}^{2} }

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The argument is

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\theta= \tan^{ - 1} ( -1) =  \frac{7\pi}{4}

The polar form is

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The first option is correct.

3 0
3 years ago
What is the volume of the rectangular pyramid shown belown?
Anna35 [415]

9514 1404 393

Answer:

  168 cubic inches

Step-by-step explanation:

The formula for the volume of a pyramid is ...

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3 years ago
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using (6,5):

5-4=7(6-6)

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lisov135 [29]

brainly.com/question/11874728 here is the answer! pls give brainliest

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