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salantis [7]
3 years ago
13

How do you know the opposite of a nonzero integer?

Mathematics
1 answer:
Harman [31]3 years ago
3 0
If it is positive the opposite is negative.
If it is negative the opposite is positive.
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Write as a unit rate: Four notebooks for $2.50
Archy [21]

Answer:

B. $1.60 per notebook

Step-by-step explanation:

Because:

4 notebooks ÷ $2.50 (4 notebooks cost) = $1.60 per notebook

4 0
3 years ago
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List 7 integers that meat all the requirements Two of the integers are 6 units apart but they are a little closer than two of th
Alex Ar [27]
I don't know. 19? Hope this could help! ;)

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3 years ago
9) Let<br> X-2, x, x+3 <br> be the first 3 terms of a geometric sequence. FInd the value of x..
Reil [10]
Hello,

Let's r the ration

We suppose x ≠0

x=r*(x-2)==>r=x/(x-2)

x+3=r*x==> (x+3)/x=x/(x-2)==>(x+3)(x-2)=x²
==>x²+3x-2x-6=x² ==>x-6=0==>x=6

x-2=6-4=4
x=6
x+3=6+3=9
6=4*3/2
9=6*3/2

Ration 3/2
First term: 4

7 0
3 years ago
6<br><br><br> math geniuses help please!!<br><br><br> math
damaskus [11]

Answer:

A

Step-by-step explanation:

Begin with Euler's formula. I am assuming youre aware of this if youre taking complex algebra? You can prove Euler's formula by doing a Maclaurin expansion of cosine, sine, and e^x. Euler's formula states that:

e^{ix}=cos(x)+isin(x)

We can put the first complex number in exponetial form by noticing the input is 2pi/3. The second complex number has an input of pi/3. Therefore:

z_1=8e^{i(2\pi /3)}

z_2=0.5e^{i(\pi /3)}

Then:

\frac{z_1}{z_2} =\frac{8e^{i(2\pi /3)}}{0.5e^{i(\pi /3)}}

Simplify the coefficients to get:

\frac{z_1}{z_2} =\frac{16e^{i(2\pi /3)}}{e^{i(\pi /3)}}

When you divide exponentials, you subtract the exponents. Therefore:

\frac{z_1}{z_2} =16e^{i(2\pi /3)-i(\pi /3)}=16e^{i(\pi /3)

Put it back into trigonemtric form using Euler's formula:

16e^{i(\pi /3)}=16cos(\pi /3)+i16sin(\pi /3)

Cosine of pi/3 is 0.5, and sine of pi/3 is square root of 3 over 2. We have:

16e^{i(\pi /3)}=16cos(\pi /3)+i16sin(\pi /3)=16*0.5+16*\frac{\sqrt{3} }{2} *i=8+8\sqrt{3} i

5 0
2 years ago
Which number has an 8 that is 1 tenth the value of the 8 in 78
yKpoI14uk [10]
9.75 i think I’m not really sure do you have any options?
8 0
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