3 years ago

Simplify (4-3i)+(2+6i)

Mathematics

1 answer:

AfilCa [17]3 years ago

7 0

Answer:

6+3i

Step-by-step explanation:

4+2=6

-3i+6i=3i

6+3i

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What is the answer I have to type in the yellow boxes?

kap26 [50]

$\\ \rm\bull\rightarrowtail y=(1x^2)+3(x)$

$\\ \rm\bull\rightarrowtail y=1(-6)^2+3(-6)$

$\\ \rm\bull\rightarrowtail y=1(36)+(-18)$

Note the rule

(+)(-)=(-)

$\\ \rm\bull\rightarrowtail y=36-18$

$\\ \rm\bull\rightarrowtail y=18$

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2 years ago

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21,42,126,504 If it is a geometric sequence, choose the common ratio. If it is not a geometric sequence, choose "not geometric.

Arisa [49]

Answer:

Not geometric

Step-by-step explanation:

In a geometric sequence, each term is multiplied by a common ratio to get the next term.

So if this is a geometric sequence, then dividing each term by the one before it should result in the same common ratio.

42 / 21 = 2

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The ratios are different. This is not a geometric sequence.

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3 years ago

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Step-by-step explanation:

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3 years ago

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3 years ago

Use the distributive property to multiply -3(-2 3/10). A. (-3)(-2) + (-3) (-3/10) B. (-3)(-2) + (-3/10) C. (3)(3/10) + (-3/10) D

kakasveta [241]

Answer:

$A.\ (-3)(-2) + (-3)(3/10)$

Step-by-step explanation:

Given

$-3(-2 - 3/10)$

Required

Simplify

$-3(-2 - 3/10)$

Apply Distributive Property;

This simply means that; we expand the bracket;

So, we have;

$= (-3)(-2) + (-3)(3/10)$

From the list of given options, option A answers the question

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3 years ago

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