3 years ago

$2,000 at 4% for 24 months. Find the interest earned

Mathematics

1 answer:

Olin [163]3 years ago

8 0

You will have earned in $163 in interest.

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Let z =38 (cos(pi/8)+ i sin(pi/8)) and w = 2 (cos( pi/16 ) + i sin(pi/16))

mario62 [17]

Answer:

$zw=76 * (cos(\frac{3\pi}{16}) +isin(\frac{3\pi}{16}) )$

Step-by-step explanation:

Given

$z =38 (cos(\frac{\pi}{8})+ i sin(\frac{\pi}{8})$ and

$w = 2 (cos(\frac{\pi}{16} ) + i sin(\frac{\pi}{16})$

Required

Determine zw

Given that:

$x = v_1(cos(a) + isin(a))$ and $y = v_2(cos(b) + isin(b))$

$x * y = (v_1 * v_2)*((cos(a+b) + isin(a+b))$

So, we have:

$zw=(38 * 2) * (cos(\frac{\pi}{8} + \frac{\pi}{16}) + isin(\frac{\pi}{8} + \frac{\pi}{16}))$

$zw=76 * (cos(\frac{2\pi + \pi}{16})+isin(\frac{2\pi + \pi}{16}))$

$zw=76 * (cos(\frac{3\pi}{16}) +isin(\frac{3\pi}{16}) )$

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3 years ago

40 POINTSSSSSS> RIGHT ANSWER ONLY!!!!. Will report if answer is faulty. PLEASE HELP MATHEMATICIANS!!!!!!!

Marat540 [252]

The probability of hitting the black circle is closer to 0 than it is to 1. because: find area of circle ~ 3.14*r^2
which is 3.14 because the radius squared is 1. so 1*3.14= 3.14
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this answer is closer to a 0 probability than the white space. the white space is closer to a probability of 1.

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4 years ago

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Oksi-84 [34.3K]

Answer:

Step-by-step explanation:

4+2 = 6

Hope this helps

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Cant help on this one. sorry. try 10 tho

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