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vovangra [49]
3 years ago
15

I NEED HELP WITH THIS

Mathematics
2 answers:
Usimov [2.4K]3 years ago
8 0

Answer:

$840

Step-by-step explanation:

52 - 40 = 12

12 hours overtime

12 * 20 = 240

40 normal hours

15 * 40 = 600

600 + 240 = 840

$840

enyata [817]3 years ago
5 0

Answer:

C. 840

Step-by-step explanation:

First, solve for the hours above 40.

Since she worked 52 hours, we can subtract 40 from 52 to find the amount of hours she worked overtime.

52-40=12

Since we know that overtime hours are worth more, we can multiply the 12 extra hours by 20.

12*20=$240

Now we need to calculate for her regular hours.

She worked 40 regular hours, so lets multiply that by her regular rate per hour.

40*15=$600

Now add both values for the total income.

600+240=$840

The answer is C. $840

Hope this helps!

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8 0
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Find [5(cos 330 degrees + I sin 330 degrees)]^3
earnstyle [38]
Given a complex number in the form:
z= \rho [\cos \theta + i \sin \theta]
The nth-power of this number, z^n, can be calculated as follows:

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z^n = \rho^n [\cos n\theta + i \sin n\theta ]
In our case, n=3, so z^3 is equal to
z^3 = \rho^3 [\cos 3 \theta + i \sin 3 \theta ] = (5^3) [\cos (3 \cdot 330^{\circ}) + i \sin (3 \cdot 330^{\circ}) ] (1)
And since 
3 \cdot 330^{\circ} = 990^{\circ} = 2\pi +270^{\circ}
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6 0
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Alisiya [41]

Answer:

<h2>1/64</h2>

Step-by-step explanation:

just took the test and got 100% :)



Have a nice day!!

- <em> Shadow</em>


6 0
3 years ago
Read 2 more answers
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