What is the sum of 1/8+5/15+3/8

Mathematics

2 answers:

Ymorist [56]3 years ago

8 0

Answer:

pls give me brainliest

Step-by-step explanation:

0.83333333333

Helen [10]3 years ago

4 0

Answer:

5/6

Step-by-step explanation:

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2 years ago

Prove the identity <br> sin(x-y)/cosxsiny=tanxcoty-1

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Step-by-step explanation:

$\frac{sin(x - y)}{cos \: x \: sin \: y} \\ \\ = \frac{sin \: x \: cos \: y -cos \: x \: sin \: y }{cos \: x \: sin \: y} \\ \\ = \frac{sin \: x \: cos \: y }{cos \: x \: sin \: y} + \frac{-cos \: x \: sin \: y }{cos \: x \: sin \: y} \\ \\ = \frac{sin \: x \:}{cos \: x } \times \frac{cos \: y }{sin \: y} - 1 \\ \\ = tan \: x \: cot \: y - 1 \\ \\ \therefore \: \frac{sin(x - y)}{cos \: x \: sin \: y} = tan \: x \: cot \: y - 1 \\ \\ thus \: proved \\$

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3 years ago

Three years ago, Ava lent her sister $400 to buy some clothes. Today Ava’s sister paid her loan in full with $454. What simple a

Ostrovityanka [42]

Ava's sister paid a 4.5% annual interest rate

Her sister paid $54 more than she borrowed, divide that by 3 (years till she paid)

54/3 = 18

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Answer: