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3 years ago

((2x^2+5x-3)/(1-4x^2))/((x^3-9x)/(x^4-6x^3+9x^2)) FIND X

1 answer:

6 0

You can't find a value of x since there is no equal sign. This is not an equation. It is just an expression, so you can't solve it for x.

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How can the expression 3(4x) + 2(7y) be simplified?

Anna007 [38]

The answer is:
12x+14y

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4 years ago

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Find a counterexample to show the conjecture is false

EleoNora [17]

Answer:

Step-by-step explanation:

If two angles are supplement of each other then one of the angles must be acute

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3 years ago

7,16,8,27,9 what number continues this pattern

Aloiza [94]

The sequence seems to be that you add 1 and then multiply by 2, and then add 1 and multiply by 3, so I would assume you do 9 + 1 = 10, and then multiply by 4 to get 40 as your next number. I hope this helps!

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3 years ago

Find the sum of the first 12 terms of the sequence. Show all work for full credit. 1, -4, -9, -14, . . . (2 points)

My name is Ann [436]

<u>Answer:</u>

$S_n=$ -348

<u>Step-by-step explanation:</u>

We are given the following arithmetic sequence and we are to find the sum of its first 12 terms:

1, -4, -9, -14, . . .

For that, we will use the formula for the sum of the arithmetic mean:

$S_n=\frac{n}{2} (a_1+a_n)$

We know the value of the first term ( $a_n$ ) but we need to find the value of $a_{12}$ . So we will use the following formula:

$a_{12}=a_1+(n-1)d$

$a_{12}=(-4)+(12-1)(5)$

$a_{12}=-59$

Substituting these values in the sum formula to get:

$S_n=\frac{12}{2} (1+(-59))$

$S_n=$ -348

4 0

3 years ago

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PLEASE HURRY I WILL GIVE BRAINLIEST AND 5 STAR AND HEART! THANK YOU!

Leya [2.2K]

Answer:

I believe it is 55°.

I can't remember the exact steps for this tho.

I hope it is right! good luck!

7 0

3 years ago