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djverab [1.8K]
3 years ago
8

Simplify the expression. (5+i)(2-7i)

Mathematics
1 answer:
scZoUnD [109]3 years ago
5 0

Answer:

17-33i

Step-by-step explanation:

Multiply using the foil method than combined the real and imaginary parts of the expression

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3 years ago
Suppose you have a pocketful of change. You have some pennies (p) and some quarters (q). One expression could be used to describ
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Answer:

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Step-by-step explanation:

So we have two equations regarding the number of quarters <em>q</em> and the number of pennies <em>p:</em>

<em />p+q<em />

Which represents the total amount of coins and

0.01p+0.25q

Which represents the total amount of money in dollars.

So we are asked to evaluation each expression for the situation in which we have 6 quarters and 7 pennies. Thus, plug 6 in for <em>q</em> and 7 in for <em>p:</em>

<em />p+q\\(7)+(6)=13<em />

This tells us that we have 16 coins in total.

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This tells us that we have a total amount of $1.57.

5 0
3 years ago
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Solve the inequality : 8&lt;=2/3(3y-6)
nydimaria [60]

Answer:

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Step-by-step explanation:

hope this helps :)

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Correct answer is true
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Which steps will help prevent the introduction of invasive species into an area?
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Step-by-step explanation:

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