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3 years ago

What is the answer to the equation 9e=27

Mathematics

1 answer:

bixtya [17]3 years ago

8 0

3.
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What is sin 0 when sec 0 = 5? 0 |(1,0) sin e = 2[?] [] Rationalize the denominator if necessary.

Komok [63]

Answer:

$Sin ~0 =\frac{2\sqrt{5} }{5}$

Step-by-step explanation:

$sec0=\sqrt{5}$

$cos~0=\frac{1}{sec0} =\frac{1}{\sqrt{5} }$

$sin ~0=\sqrt{1-cos^2~0}$

$=\sqrt{1-1/5}=\sqrt{5-1/5}$

$Sin~0=\sqrt{4/5} =2/\sqrt{5}*\sqrt{5}/\sqrt{5}$

$Sin~0=2\sqrt{5}/2=2\sqrt{5}/5$

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hope it helps...

have a great day!!!

7 0

3 years ago

A soccer team lost 30% of its games. Suppose the team won 14 games. How many games did the team play?

-BARSIC- [3]

They would have played 20 games altogether

8 0

3 years ago

Pls help me with this

3241004551 [841]

Answer: D 1 and 5/72 sq ft

8 0

3 years ago

What is the equation of the circle with center (0, 0) that passes through the point (–4, –6)?

Vadim26 [7]

If the center is in point P(a,b) and has a radius r then circle equation is:

(x-a)²+(y-b)²=r².

In your task we've got P(0,0) so the circle equation is x²+y²=r².

We have to find r. Radius start at (0,0) and end at (-4,-6) therefore

r=√((-4)²+(-6)²) and

r²=(-4)²+(-6)²=16+36=52.

So answer is x²+y²=52.

4 0

2 years ago

CAN SOMEONE PLEASE HELP ITS DUE TODAY

nikdorinn [45]

Answer:

n = 6

Step-by-step explanation:

$\frac{ {5}^{n} \times {5}^{3} }{ {5}^{7} } = {5}^{2} \\ \\ \implies \: \frac{ {5}^{n + 3} }{ {5}^{7} } = {5}^{2} \\ \\ \implies \: {5}^{n + 3 - 7} = {5}^{2} \\ \\ \implies \: {5}^{n - 4} = {5}^{2} \\ \\ \implies \:n - 4 = 2 \\ \\ \implies \:n = 4 + 2 \\ \\ \implies \:n = 6$

7 0

2 years ago

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