Need answer ASAP please

Mathematics

2 answers:

Anna [14]4 years ago

7 0

The answer is actually 0.36666

bulgar [2K]4 years ago

5 0

Answer:

0.44444444444, round it to the tenth or hundredth or wherever it tells you to round the answers to.

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La velocidad de un carro cambia de 5m/s a 35m/s en 5 segundos <br> Cual es la velocidad del carro?

IgorC [24]

La velocidad del carro es 7m/s

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3 years ago

X²-9\x-3 explain why x doesnt = 3

iVinArrow [24]

$\dfrac{x^2-9}{x-3}$

For x=3, the denominator is equal to 0 and you can't divide by 0.

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3 years ago

Let f(w) = 2w^3 - 5. What is f(4)?

ZanzabumX [31]

F(4) = 2(4)^3 -5
= 2(64) -5

= 128-5
= 123

Hope this helps!

3 0

4 years ago

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Use Cramer’s Rule to solve system of equation.

alisha [4.7K]

$\left\{\begin{array}{ccc}5x+2y=4\\3x+4y+2z=6\\7x+3y+4z=29\end{array}\right\\\\A=\left[\begin{array}{ccc}5&2&0\\3&4&2\\7&3&4\end{array}\right]\\\\\det A=5\cdot4\cdot4+3\cdot3\cdot0+2\cdot2\cdot7-7\cdot4\cdot0-3\cdot2\cdot5-3\cdot2\cdot4=54\\W_x=\left[\begin{array}{ccc}4&2&0\\6&4&2\\29&3&4\end{array}\right]\\\det W_x=4\cdot4\cdot4+2\cdot2\cdot29+6\cdot3\cdot0-29\cdot4\cdot0-3\cdot2\cdot4-6\cdot2\cdot4=108$

$W_y=\left[\begin{array}{ccc}5&4&0\\3&6&2\\7&29&4\end{array}\right]\\\det W_y=5\cdot6\cdot4+3\cdot29\cdot0+4\cdot2\cdot7-7\cdot6\cdot0-29\cdot2\cdot5-3\cdot4\cdot4=-162\\W_z=\left[\begin{array}{ccc}5&2&4\\3&4&6\\7&3&29\end{array}\right]\\\det W_z=5\cdot4\cdot29+3\cdot3\cdot4+6\cdot2\cdot7-7\cdot4\cdot4-3\cdot6\cdot5-3\cdot2\cdot29=324\\\\x=\dfrac{\det W_x}{\det A}=\dfrac{108}{54}=2\\\\y=\dfrac{\det W_y}{\det A}=\dfrac{-62}{54}=-3\\\\z=\dfrac{\det W_z}{\det A}=\dfrac{324}{54}=6$

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3 years ago

Talk to me /:<br> pleases

spin [16.1K]

Answer:

Step-by-step explanation:

vvvvvvvvvvvvv

5 0

2 years ago

Read 2 more answers