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vichka [17]
3 years ago
14

What type of number is 2i-7?

Mathematics
2 answers:
PilotLPTM [1.2K]3 years ago
7 0

Answer:

It is a complex number.

Composed by imaginarium number and real =)

Best regards

krek1111 [17]3 years ago
7 0

Hey there! :)

The number 2i-7 is an <em>imaginary number. </em>

<em />

i represents an imaginary value, so therefore, it is imaginary and is considered a speculative number.

Often it represents a value that mathematical rules wouldn't allow, it wouldn't be able to be calculated.

I hope this helps!

~kaikers

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For a walk-a-thon a sponsor committed to give you a flat free of $5 plus $2 for every mile m you walk
Iteru [2.4K]

Answer:

$45

Step-by-step explanation:

THIS IS THE COMPLETE QUESTION BELOW;

For a walk-a-thon a sponsor committed to give you a flat fee of $5 plus $2 for every mile you walk. If you walk for 20 miles, what is the total amount you will collect from your sponsor at the end of the walk-a-thon?

$5 was given for participants of the walk-a-thon.

$2 was given for every miles won

Then, for "y" number of miles, the the amount that can be won is ( 2×y)= 2y

The Total amount that can be given

= (5 + 2y)

Where "y" is the miles value

Then, if you walk for 20 miles, The Total amount that can be given

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3 0
2 years ago
Need help asap
harina [27]

Answer:

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Step-by-step explanation:

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EleoNora [17]

A has fixed one time fee of $12 and if you go to it say "m" months you pay $28 for each month, so your total cost at A is really 12 + 28m.

B has a fixed one time fee of $20 and if you go to it "m" months you pay $26 for each month, so you total cost at B is 20 + 26m.

how many months for the cost to be the same?

\stackrel{A}{12+28m}=\stackrel{B}{20+26m}\implies 12+2m=20\implies 2m=8\implies m=\cfrac{8}{2}\implies m=4

well, since the cost for both is the same, we can just get A's, knowing that B is the same

12+28(4)\implies 12+112\implies 124

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sveticcg [70]

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Step-by-step explanation:

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3 years ago
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Answer:

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Step-by-step explanation:

100x10x9/100=90

balance=100+90=190

5 0
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