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Lelu [443]
2 years ago
11

Can someone help me with these 2 problems I’ve been stuck on them for a very long time :’) tysm!!

Mathematics
1 answer:
Oksi-84 [34.3K]2 years ago
8 0

Answer:

Christmas How many pouds this proportion to solve

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Y=-4+b<br> I need a answer fast and thank you
tigry1 [53]

If we solve for Y then answer is..

Y=b-4

If we solve for B then answer is..

b=Y+4

3 0
3 years ago
Read 2 more answers
<img src="https://tex.z-dn.net/?f=6%2F5%20%28cos%28120%29%20%2B%20isin%28120%29%29%203%2F5%20%28cos%2845%29%20%2B%20i%20sin%2845
marysya [2.9K]

The product is equal to:

\frac{18}{25}(cos(165) + i*sin(165))

<h3>How to solve the product?</h3>

Remember that we can write a complex number in polar form as:

R*e^{i*a} = R*(cos(a) + i*sin(a))

Then the given product:

\frac{6}{5}*(cos(120) + i*sin(120))*\frac{3}{5}*(cos(45) + i*sin(45))

can be rewritten to:

(\frac{6}{5}*e^{i*120})*(\frac{3}{5}*e^{i*45})

Now is easier to solve the product:

(\frac{6}{5}*e^{i*120})*(\frac{3}{5}*e^{i*45})\\\\= \frac{6}{5} *\frac{3}{5} *e^{i*(120 + 45)}\\\\= \frac{18}{25}*e^{i*165}\\\\=  \frac{18}{25}(cos(165) + i*sin(165))

If you want to learn more about complex numbers:

brainly.com/question/10662770

#SPJ1

4 0
3 years ago
Which of the following represents fifth root of x squared in exponential form? x to the 2 fifths power x to the 5 over 2 power 5
Semmy [17]
\bf a^{\frac{{ n}}{{ m}}} \implies  \sqrt[{ m}]{a^{ n}} \qquad \qquad&#10;\sqrt[{ m}]{a^{ n}}\implies a^{\frac{{ n}}{{ m}}}&#10;\\\quad \\&#10;% rational negative exponent&#10;a^{-\frac{{ n}}{{ m}}} =&#10; \cfrac{1}{a^{\frac{{ n}}{{ m}}}} \implies \cfrac{1}{\sqrt[{ m}]{a^{ n}}}\qquad\qquad &#10;%  radical denominator&#10;\cfrac{1}{\sqrt[{ m}]{a^{ n}}}= \cfrac{1}{a^{\frac{{ n}}{{ m}}}}\implies a^{-\frac{{ n}}{{ m}}} \\\\&#10;-----------------------------\\\\&#10;\sqrt[5]{x^2}\iff x^{\frac{2}{5}}
3 0
3 years ago
Frank and his family are going to the grand opening of the circus there is a special price on tickets this weekend tickets cost
Harrizon [31]

Answer:

$60

Step-by-step explanation:

36/0.6 = 60

60 x 0.6 = 36

I hope that's correct? :)

8 0
3 years ago
Please i need this fast and a explanation
svp [43]

9514 1404 393

Answer:

  any real number

Step-by-step explanation:

The value of 7^0 is 1, so the equation is ...

  1^x = 1

This is true for any value of x. Possible values of x are "any real number."

5 0
3 years ago
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