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3 years ago

What is -4 - 4/3 in a fraction

Mathematics

1 answer:

gavmur [86]3 years ago

4 0

16/3 of alternative forms are 5 1/3 or 5.3

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WILL GIVE BRAINLIEST

12345 [234]

Answer:

Step-by-step explanation:

it is an arithmetic sequence.

c=6-3=3

\[a_{n}=3+(n-1)*3\]

\a_{n}=3n

a_{8}=3*8=24

8 0

3 years ago

The price of a car has been reduced from $15,500 to $10,695. What is the percentage decrease of the price of the car?

IceJOKER [234]

(10,695/15,500 -1) * 100% = -31%

The price was decreased 31%.

5 0

3 years ago

Rewrite 9cos 4x in terms of cos x.

rosijanka [135]

$\bf \qquad \textit{Quad identities}\\\\
sin(4\theta )=
\begin{cases}
8sin(\theta )cos^3(\theta )-4sin(\theta )cos(\theta )\\
4sin(\theta )cos(\theta )-8sin^3(\theta )cos(\theta )
\end{cases}
\\\\\\
cos(4\theta)=8cos^4(\theta )-8cos^2(\theta )+1\\\\
-------------------------------\\\\
9cos(4x)\implies 9[8cos^4(x)-8cos^2(x)+1]
\\\\\\
72cos^4(x)-72cos^2(x)+9$

---------------------------------------------------------------------------

as far as the previous one on the 2tan(3x)

$\bf tan(2\theta)=\cfrac{2tan(\theta)}{1-tan^2(\theta)}\qquad tan({{ \alpha}} + {{ \beta}}) = \cfrac{tan({{ \alpha}})+ tan({{ \beta}})}{1- tan({{ \alpha}})tan({{ \beta}})}\\\\
-------------------------------\\\\$

$\bf 2tan(3x)\implies 2tan(2x+x)\implies 2\left[ \cfrac{tan(2x)+tan(x)}{1-tan(2x)tan(x)}\right]
\\\\\\
2\left[ \cfrac{\frac{2tan(x)}{1-tan^2(x)}+tan(x)}{1-\frac{2tan(x)}{1-tan^2(x)}tan(x)}\right]\implies 2\left[ \cfrac{\frac{2tan(x)+tan(x)-tan^3(x)}{1-tan^2(x)}}{\frac{1-tan(x)-2tan^3(x)}{1-tan^2(x)}} \right]
\\\\\\$

$\bf 2\left[ \cfrac{2tan(x)+tan(x)-tan^3(x)}{1-tan^2(x)}\cdot \cfrac{1-tan^2(x)}{1-tan(x)-2tan^3(x)} \right]
\\\\\\
2\left[ \cfrac{3tan(x)-tan^3(x)}{1-tan^2(x)-2tan^3(x)} \right]\implies \cfrac{6tan(x)-2tan^3(x)}{1-tan^2(x)-2tan^3(x)}$

4 0

3 years ago

10 points !! <br> Which expression is equivalent to this polynomial x^2+12

Ilia_Sergeevich [38]

Answer:

x2+12 (except the 2 in small)

Step-by-step explanation:

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3 0

3 years ago

Pls help, its multiple choice btw

ryzh [129]

Answer:

the answer is c

Step-by-step explanation:

3 0

2 years ago

Read 2 more answers