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Burka [1]
4 years ago
5

Help pleaseeeeee anyoneee?

Mathematics
1 answer:
steposvetlana [31]4 years ago
3 0

Answer:

z = -9.538546756+ 15.26486573i

Step-by-step explanation:

z = |z| cos theta + |z| i sin theta

 We know |z| and theta

z = 18 cos 122 +18i sin 122

z = -9.538546756+ 15.26486573i

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a boy has 90 coins that are all dimes and quarters. if he has $14.55, how many quarters does he have?
GrogVix [38]

Answer:

58

Step-by-step explanation:

remainder 2

3 0
2 years ago
1.Graph f(x) = -1.5x +6<br> 2.Graph f(x) = -1/2x-5
nalin [4]

Ans(1):

Given equation is f(x)=-1.5x+6

we can plug any number like x=0 and x=2 to find the f(x) also called y-value

plug x=0

f(x)=-1.5x+6 =-1.5*0+6 =0+6 =6

Hence first point is (0,6)

plug x=2

f(x)=-1.5x+6 =-1.5*2+6 =-3+6 =3

Hence first point is (2,3)

now we can graph both points then join them to get final graph of f(x)=-1.5x+6

---------------------

Ans(2):

We can repeat exactly same process for f(x) = -1/2x-5.

So the final graph will look like attached picture:


5 0
3 years ago
Please help quickly !!!! thank youuu!
Alecsey [184]

Answer: you multiply the 2 numbers and divide it by half then your answer is the easy way to do it.

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
What are the zeros of the quadratic function f(x)<br> 128² - 10x - 3?
Temka [501]

Answer:

When 2x^2 - 10x - 3 is plugged into the quadratic equation, the resulting zeroes are x = (5 + sqrt(31))/2 and (5 - sqrt(31))/2. Hope this helps!

Step-by-step explanation:

  • <em>If my answer is incorrect, please correct me! </em>
  • <em>If you like my answer and explanation, mark me as brainliest!</em>

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4 0
3 years ago
Read 2 more answers
Forty five men can construct a road 210m long in 60 days. What length would be constructed by 72 men in 50 days assuming that al
blagie [28]

Answer:

280m

Step-by-step explanation:

Work rate would be (210m)/(45people)(60days)=7/90 m/(people)(day)

7/90 m/(people)(day) * 72people * 50days =280m

7 0
3 years ago
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