3 years ago

I know...another one

Mathematics

1 answer:

asambeis [7]3 years ago

4 0

I'm so confused what do you need help with?

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Simplify and write answer in standard form.

mamaluj [8]

Answer:

$x^3+8x^2+2x+1$

Step-by-step explanation:

Combine like terms (terms with the same exponent).

$x^3+(3x^2+5x^2)+(x+x)+1=x^3+8x^2+2x+1$

"Standard form" means to list terms so the exponents go from high to low (descending order).

6 0

3 years ago

Solve for x<br> <img src="https://tex.z-dn.net/?f=%5Cfrac%7B1%7D%7Bx-9%7D" id="TexFormula1" title="\frac{1}{x-9}" alt="\frac{1}{

Anna [14]

r = 1/15

a branliest from the answer will be appreciated

8 0

3 years ago

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The temperature at 7 a.m. was -11°C. The temperature increased by 9°C during the

LiRa [457]

The answer is -6 degrees Celsius

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3 years ago

Greenville County, South Carolina, has 461,299 adult residents, of which 59,969 are 65 years or older. A survey wants to contact

Salsk061 [2.6K]

The proportion would be the number of the sample (x) over the population size (n)

Here we have x = 59,969 and n= 461,299

P = x/n = 59969/461299

P = 0.13

5 0

3 years ago

The tables represent two linear functions in a system.

tino4ka555 [31]

first function 2nd function

slope =(y2-y1)/(x2-x1) slope =(y2-y1)/(x2-x1)

=(14-2)/(3-0) m = (-3--12/(3-0)

12/3 m=(-3+12)/3

4 m =9/3 =3

y = 4x+2 y = 3x+-12

set these two equations equal

4x+2 = 3x-12

subtract 3x

x+2 = -12

subtract 2 from each side

x = -14

y = 3x-12

y =3*(-14)-12

y = -42-12

y = -54

ChoiceD

3 0

3 years ago

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