3 years ago

Y=1/4 (x+2)(x – 6

Mathematics

1 answer:

gladu [14]3 years ago

4 0

I have no idea I’m answering this because I need to ask more questions

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Find the 9th term of the following geometric sequence 1 -3 9 -27

gulaghasi [49]

Answer: The 9th term is 6561

Step-by-step explanation:

The geometric sequences have the following formula

$a_n = a_1(r)^{n-1}$

Where $a_1$ is the first term of the sequence and r is the common ratio between the consecutive terms of the sequence

In this case the sequence is 1 -3 9 -27

So $a_1 = 1$

Observe that the common ratio r is:

$r=\frac{-3}{1}=\frac{9}{3}=\frac{-27}{9}=-3$

So the formula is:

$a_n = (-3)^{n-1}$

We want to find $a_9$

$a_9 = (-3)^{9-1}$

$a_9 = (-3)^{8}=6561$

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4 years ago

Carmen is drawing a card from a standard deck of playing cards. Find each probability below.

Fed [463]

Answer: How many cards are there tho?

Step-by-step explanation:

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2 years ago

Evaluate the following expression.<br> 3 X 9 - 6<br> Help please ASAP

Elena-2011 [213]

Answer:

Step-by-step explanation:

3 x 9 is 27 and then you subtract that by 6 and get 21

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3 years ago

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Which of the following is the solution of the system of equations shown

slava [35]

Answer:

(3,-4)

Step-by-step explanation:

because the two lines meet at that point.

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3 years ago

What's 4/7 times 6/7

Goryan [66]

The answer is: " 24/49 " .
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4/7 * 6/7 = (4*6) / (7*7) = 24/49 .
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