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4 years ago

What fraction of 8 is 2 1/2

1 answer:

4 0

To calculate this, we have to divide 2 1/2 by 8.

first, i wil turn 2 1/2 into fraction:

it's
$\frac{2*2+1}{2} = \frac{5}{2}$

and if we divide this by 8, we multiply the denominator by 8:

$\frac{5}{2*8}=\frac{5}{16}$

and this is the answer!

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Factor the greatest common factor from the polynomial 3x^2 + 6x -9

ryzh [129]

Answer:

$3(x+3)(x -1)$

Step-by-step explanation:

$3x^2 + 6x -9$

All the terms in this polynomial are divisible by 3. Factor 3 out of this polynomial:

$= 3(x^2 + 2x -3)$

Now, factor inside the parentheses by grouping:

$= 3(x^2 -1x+3x -3)$

We knew to split the +2x up into -1x and 3x because -1 and 3 multiply to get -3, which is the last value in the polynomial.

$= 3(x(x -1)+3(x -1))\\= 3(x+3)(x -1)$

Therefore, the final factored polynomial is $3(x+3)(x -1)$ .

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2 years ago

Help! Hurry! NO SPAM!!!! I will mark brainliest if you get it correct, and show your work. Identify the equation for the circle

mario62 [17]

Answer:

file below

Step-by-step explanation:

The equation of a circle:

(h, k) - center

r - radius

We have the center (4, -3) and the point on the circle (9, -3).

The length of radius is equal to the distance between a center and an any point on a circle.

The formula of a distance between two points:

7 0

2 years ago

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When is a long-term purchase on a credit card better than taking out a loan?

bixtya [17]

While a credit card is usually better for short-term debt, a personal loan is often ideal for people who need more time to repay. Then again, which option is best for you may boil down to how much interest you'll pay, too.

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3 years ago

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M= -(4+ m) + 2<br>m=<br>what’s m?

MakcuM [25]

Answer:

m=-1

Step-by-step explanation:

let me know i can help more snap me

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3 years ago

Given that MNOP is a rectangle, find x and y.

IceJOKER [234]

In rectangle, all the angles are 90°. ∠M =∠N = ∠O = ∠P = 90°. Therefore 2X - 10 = 90 and 3Y + 9 = 90. Therefore X = 50 and Y = 27. So option B is correct.

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3 years ago