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3 years ago

A three-letter word used to show division in a word problem.

Mathematics

2 answers:

Grace [21]3 years ago

7 0

A three-letter word used to show division in a word problem is PER.

Juliette [100K]3 years ago

7 0

One word I remember being taught was "per". Hope that helps :)

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Evaluate 82 - 2^3 x5

Anettt [7]

I think the answer is 42.

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2 years ago

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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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2 years ago

A coach needs both small and large cones to set up an obstacle course. The coach knows that there are fewer than 30 cones in the

Pepsi [2]

Since they are FEWER than 30 total cones, the sum of x small cones and y large one must be LESS THAN 30: x+y <30
He needs AT LEAST a dozen (12), so that means that 12 will work or more than 12:
$y \geqslant 12$

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2 years ago

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If a + b+ c = 9 and ab + bc + ca = 26, find a2 + b2 + c2.

alex41 [277]

Answer:

Step-by-step explanation:

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2 years ago

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elena55 [62]

Answer:

-88

Step-by-step explanation:

i did -80-8 =-88 and to make sure you do -88+8 and you get 80 so -88 is the distance between -80 and 8

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2 years ago