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GarryVolchara [31]

3 years ago

5

What are the exact solutions of x2 − x − 4 = 0, where x equals negative b plus or minus the square root of b squared minus 4 tim

es a times c all over 2 times a?

1 answer:

Leya [2.2K]3 years ago

5 0

X=(1 + sq root 17)/2, (1 - sq root 17)/2

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KIM [24]

6 walks to schools

But if you want fraction form 6/500= 3/250

5 0

2 years ago

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Twenty-four is 30% of what number?

IgorLugansk [536]

24 / 30 x 100 = 80

answer: <span>Twenty-four is 30% of 80</span>

7 0

2 years ago

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Any number that CAN be divided by 2 without having remainder is considered an _______ number

azamat

Step-by-step explanation:

Any number that can be divided by 2 without having remainder is considered an even number.

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8 0

2 years ago

PLEASE I NEED THIS ASAP!!!

lesya692 [45]

Answer:

Option D. is the correct choice.

Step-by-step explanation:

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6 0

3 years ago

What is the 38th term of 459,450,441,..

galina1969 [7]

Answer:

The 38th term of 459,450,441,.. will be:

$a_{13}=351$

Step-by-step explanation:

Given the sequence

$459,450,441,..$

An arithmetic sequence has a constant difference 'd' and is defined by

$a_n=a_1+\left(n-1\right)d$

computing the differences of all the adjacent terms

$450-459=-9,\:\quad \:441-450=-9$

so

$d=-9$

The first element of the sequence is

$a_1=459$

so the nth term will be

$a_n=-9\left(n-1\right)+459$

$a_n=-9n+468$

Putting n=38 to find the 38th term

$a_n=-9n+468$

$a_{13}=-9\left(13\right)+468$

$a_{13}=-117+468$

$a_{13}=351$

Therefore, the 38th term of 459,450,441,.. will be:

$a_{13}=351$

3 0

2 years ago