3 years ago

Simplify 4a²+1/3a+5+a²+4+1/3a

Mathematics

1 answer:

vladimir2022 [97]3 years ago

7 0

Answer:

$5a^2+\frac{2a}{3} + 9$

Step-by-step explanation:

Refer to file. Trying something different. Should be easier to read than text format and is easier than mathML.

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___________________

Please, give me some minutes to take over your question

______________________________________

Rate = miles / time

8/t = 7/ 35

Dividing by 7

8/t = 7/ 35

8/ 7t = 1/ 35

Multiplying by t

8/7 = t/35

_____________

Options

1) 8/t = 35/ 7 (False, t/8 = 35/ 7 )

2) t/8 = 7/ 35 (False, t/8 = 35/ 7 )

3) 8/7 = t/ 35 (TRUE)

4) 7/8 = t/35 (False, 8/7 = t/ 35 )

__________________

Answer

3) 8/7 = t/ 35 (TRUE)

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1 year ago

Given f(x) = 2 sin x, find the exact value of f (7pi/6) in simplest form with a rational denominator.

IrinaVladis [17]

Answer:

$\bold{f(\frac{7\pi}6)=-1}$

Step-by-step explanation:

$f(\frac{7\pi}6)=2\sin(\frac{7\pi}6)=2\sin(\frac{7\pi}6)=2\sin(\pi+\frac{\pi}6)=-2\sin(\frac{\pi}6)=-2\cdot\frac12=-1$

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