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3 years ago

Perform the indicated operation (-2i+3i)+(-1-4i)

Mathematics

1 answer:

Shtirlitz [24]3 years ago

4 0

Answer:

-1 -3i

Step-by-step explanation:

It is unusual to have two imaginary terms grouped together like this. Taking the question at face value, we treat i as though it were a variable, and collect terms in the usual way.

(-2i +3i) +(-1 -4i) = i(-2+3-4) -1 = -1 -3i

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Estimates show that there are 1.4x10^8 pet fish and 9.4x10^6 pet reptiles in the United States. How many pet fish and reptile pe

azamat

Answer:

There are total number of pet fish and reptile pets are $1.49\times 10^8$ .

Step-by-step explanation:

Number of pet fish are $1.4\times 10^8$ and the number of pet reptiles are $9.4\times 10^6$ .

It is required to find the total number of pet fish and reptile pets in the United States. It can be done by simply adding the above numbers such that total numbers are given by :

$T=1.4\times10^{8}+9.4\times10^{6}\\\\T=149400000\\\\T=1.49\times 10^8$

So, there are total number of pet fish and reptile pets are $1.49\times 10^8$ .

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3 years ago

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Hitman42 [59]

Answer:

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Step-by-step explanation:

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3 years ago

1. 42.78 + 19.56

Zarrin [17]

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3 years ago

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liq [111]

Answer:aBy

Step-by-step explanation:you just do it

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ASHA 777 [7]

Answer:

Step-by-step explanation:

A and D are the only ones that make sense but, A is incorrect because ice is an example of a solid, a solid isn't an example of ice.

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