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ValentinkaMS [17]
3 years ago
7

Gemma wrote the equation for a linear relationship below. y = 3x + 5 If x equals 9, what is the value of y? y = _____

Mathematics
2 answers:
iVinArrow [24]3 years ago
5 0

Answer:

y = 32

Step-by-step explanation:

y = 3x + 5

y = 3(9) + 5

y = 27 + 5

y = 32

lorasvet [3.4K]3 years ago
3 0

Answer:

Step-by-step explanation:

You replace all the x's in the problem with 9.

3(9)+5

3(9)=27

27+5=32

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Given z1 = 1+i and z2 = 2+3i.
Margaret [11]

Answer:

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

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

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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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3 years ago
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Step-by-step explanation:

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