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Mars2501 [29]
2 years ago
12

Given z1=9+9sqrt(3)i and z2=2+sqrt(3)i what is z2-z1 This is urgent will give brainliest!

Mathematics
1 answer:
icang [17]2 years ago
3 0

Answer:

= 2 +  \sqrt{3} i - (9 + 9 \sqrt{3} i) \\  = (2 - 9) + ( \sqrt{3}   -  9 \sqrt{3} )i \\  =  - 7 + (1 - 9) \sqrt{3} i \\   =  - 7 - 8 \sqrt{3} i

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Help please on this problem
iVinArrow [24]

Answer:

7.5 hours

Step-by-step explanation:

We can model an equation for this problem.

We can write:

F=mt

Where

F is the final temperature (15 degrees we need)

m is the rate of temperature change (2 degrees per hour)

and

t is the time, in hours, it will take (we need to find this)

It is given,

F = 15

m = 2

So, t would be:

F = mt

15 = 2t

t = 15/2 = 7.5

So it will take 7.5 hours

8 0
3 years ago
Please help!!!!<br> I desperately need the correct answer I’ve been trying all day!
zysi [14]

Answer:14708

Step-by-step explanation:Exponential Functions:

y=abxy=ab^x this is not right      not correct

y=ab

x

a=starting value = 13000a=\text{starting value = }13000

a=starting value = 13000

r=rate = 2.5%=0.025r=\text{rate = }2.5\% = 0.025

r=rate = 2.5%=0.025

Exponential Growth:\text{Exponential Growth:}

Exponential Growth:

b=1+r=1+0.025=1.025b=1+r=1+0.025=1.025

b=1+r=1+0.025=1.025

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y=13000(1.025)xy=13000(1.025)^x

y=13000(1.025)

x

Put it all together

Plug in time for x:\text{Plug in time for x:}

Plug in time for x:

y=13000(1.025)5y=13000(1.025)^{5}

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y=14708.30677

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y≈14708y\approx 14708

y≈14708

5 0
3 years ago
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Answer:

B

Step-by-step explanation:

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Applying Pythagoras theorem

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32=x^2+x^2

32=2x^2

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x=4

8 0
3 years ago
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tankabanditka [31]
The answer is 20
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3 0
2 years ago
Read 2 more answers
Please help thank you ​
beks73 [17]

Answer:

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Step-by-step explanation:

Because I said so

4 0
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