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2 years ago

Simplify 15^5/ -5^-6

Mathematics

1 answer:

Olenka [21]2 years ago

8 0

Answer:

Step-by-step explanation:

Factor 15^5: 5^5 x 3^3

$\frac{5^5*3^5}{-5^-6} = 5^1^1\\ \\ \frac{5^1^1*3^5}{-1} =-5^1^1*3^5\\ \\ =-11865234375$

Either: -5^11(3^5) or -11865234375

(depending on how you're supposed to write it)

I think at least

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I need helpppppp i have no idea what im looking at lol

Y_Kistochka [10]

The correct answer is option B which is $SinA = \dfrac{4}{5}$ , $tanA = \dfrac{4}{3}$ , $SecA=\dfrac{5}{3}$ ,

$CosA=\dfrac{3}{5}$ , $CotA=\dfrac{3}{4}$ and $CscA=\dfrac{5}{4}$ .

<h3>What is trigonometry?</h3>

Trigonometry is the branch of mathematics which set up a relationship between the sides and angle of the right-angle triangles.

From the figure we can see that two sides are Ab = 15 cm and BC = 12 cm third side will be calculated by pythagorean theorem.

AC² = AB² - BC²

AC² = 15² - 12²

AC² = 81

AC = √81

AC = 9 cm

Now all the trigonometry identities are:-

$SinA =\dfrac{BC}{AB}=\dfrac{12}{15}= \dfrac{4}{5}$ ,

$tanA =\dfrac{BC}{AC}=\dfrac{12}{9}= \dfrac{4}{3}$ ,

$SecA=\dfrac{AB}{AC}=\dfrac{15}{9}= \dfrac{5}{3}$ ,

$CosA=\dfrac{AC}{AB}=\dfrac{9}{15}= \dfrac{3}{5}$ ,

$CotA=\dfrac{AC}{BC}=\dfrac{9}{12}=}\dfrac{3}{4}$

$CscA=\dfrac{AB}{BC}=\dfrac{15}{12}= \dfrac{5}{4}$ .

Therefore correct answer is option B which is $SinA = \dfrac{4}{5}$ , $tanA = \dfrac{4}{3}$ , $SecA=\dfrac{5}{3}$ , $CosA=\dfrac{3}{5}$ , $CotA=\dfrac{3}{4}$ and $CscA=\dfrac{5}{4}$ .

To know more about Trigonometry follow

brainly.com/question/24349828

#SPJ1

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2 years ago

Nony<br> 4) 6.84 divide by 0.002

krok68 [10]

Answer: 3,420

Step-by-step explanation:

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3 years ago

How can I solve this problem? I dont want the answer I just need the steps to solving it finding the proportion??

bonufazy [111]

What you do is cross multiply
1.5 x p & 6 x 10
after divide 1.5 on each side to get p alone
1.5p/1.5 & ___/1.5
you should get your answer to what p equals
hope this helped

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4 years ago

If y varies directly with x, and y= 10 when x = 5, find y when x 15.

AlexFokin [52]

Answer:

Step-by-step explanation:

Set up the proportion y=kx k equals y over x

y=2x

y=30 if x is 15

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3 years ago

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Step-by-step explanation:

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