3 years ago

Does anyone know how to simplify this -4i(2+3i)???

Mathematics

2 answers:

MatroZZZ [7]3 years ago

6 0

Answer:

assuming that i is a complex number then -8i+12=4(3-2i)

Artist 52 [7]3 years ago

3 0

Answer:

Step-by-step explanation:

-4i(2+3i)

-8i-12i

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lidiya [134]

Answer:

Option 3: Angle 1 & Angle 8

Option 4: Angle 3 & Angle 6

Step-by-step explanation:

Hope this helps

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2 years ago

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meriva

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3 years ago

a new car is purchased for $17,900 the value of the car depreciates at 13% per year what will the value of the car be to the nea

liberstina [14]

Answer:

The value of the car would be 6753

Explanation

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Year 1 17900 2327 15573

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Year 4 11787 1532 10255

Year 5 10255 1333 8922

Year 6 8922 1160 7762

Year 7 7762 1009 6753

https://goodcalculators.com/percentage-depreciation-calculator/ - Where I got your answer if you have more problems like this!

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4 years ago

4−32⋅(−0.25)−12÷13, what's the answer?

vampirchik [111]

The answer is 144 over 13

8 0

3 years ago

Read 2 more answers

Find a1, for the given geometric series. Round to the nearest hundredth if necessary. Sn= 86,830, r= 2.2, n=4

larisa86 [58]

Answer:

4,646.30

Step-by-step explanation:

The sum of n terms of geometric sequence can be calculated using formula

$S_n=\dfrac{a_1(1-r^n)}{1-r}$

In your case,

$S_n=86,830\\ \\r=2.2\\ \\n=4\\ \\a_1=?$

Substitute into the formula:

$S_4=\dfrac{a_1(1-2.2^4)}{1-2.2}\\ \\86,830=\dfrac{a_1(1-23.4256)}{-1.2}\\ \\-104,196=a_1(-22.4256)\\ \\22.4256a_1=104,196\\ \\a_1=\dfrac{104,196}{22.4256}\approx 4,646.30$

5 0

4 years ago