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Bumek [7]
3 years ago
12

10. George earns $455 per week. He receives a 20% raise. What is George's new weekly salary?

Mathematics
2 answers:
djverab [1.8K]3 years ago
8 0

Answer:

$546

Step-by-step explanation:

455*.20=91  

91+455+546

KIM [24]3 years ago
7 0
If you find what 20% of 455 is (91) and then add it you’ll get your answer 546
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Step-by-step explanation:

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Find the linear equation of the plane through the point (2,4,9) and parallel to the plane x+4 y+5 z+4 =0.
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4 0
2 years ago
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earnstyle [38]
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8 0
3 years ago
Read 2 more answers
Given z1 = 1+i and z2 = 2+3i.
Margaret [11]

Answer:

(a) w=2+5i-6=-4+5i

Multiplicative inverse of w will be \frac{1}{-4+5i}

(B) As w is same as the product of z_1\ and\ z_2

So there multiplicative inverse will also be same

Step-by-step explanation:

We have given two complex numbers

z_1=1+i and z_2=3+2i

(a) First we have to find w=z_1z_2

So w=(1+i)(2+3i)=2+3i+2i+6i^2=2+5i+6i^2

As we know that i^2=-1

So w=2+5i-6=-4+5i

Multiplicative inverse :

It is that number when multiply with the number which we have have to find the multiplicative inverse gives result as 1

So multiplicative inverse of w will be \frac{1}{-4+5i}

Because when we multiply -4+5i with \frac{1}{-4+5i} it gives result as 1

(b) As w is same as the product of z_1\ and\ z_2

So there multiplicative inverse will also be same

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That isnt even a question is a mathematical statement
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