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2 years ago

7th grade: A jewelry salesperson sells an

Mathematics

2 answers:

olchik [2.2K]2 years ago

8 0

Answer:

The salesperson keeps $992 and the company keeps $5208.

Step-by-step explanation:

All you have to do to find the amount the salesperson keeps is find 16% of $6200, so to do that first convert the percent to a decimal, so 16% = 0.16. Then, you just do 0.16 * 6200 = $992.

To find how much the company keeps, do the total amount - the amount for the salesperson, so 6200 - 992 = $5208.

erik [133]2 years ago

4 0

Answer:

The salesperson keeps $922/The company keeps $5278

Step-by-step explanation:

16% of $6200

.16x6200= 992

The salesperson keeps $922

6200-922= 5278

The company keeps $5278

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Answer:

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3 years ago

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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3 years ago

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gregori [183]

The slope of the given line = 1 so the slope of the line perpendicular to it will be -(1/1) = -1.
It also passes through point (1, -1) so we use the point slope equation

y - y1 = m(x - x1)

y - -1) = -1(x - 1)
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y = - x <--------- that's the answer

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3 years ago

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Answer:

Step-by-step explanation:

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Thus;

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x = 186/6

x = 31

so the measure of the biggest angle is 3x -5

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