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3 years ago

HELPPPPP!!!! MEEE!!! PLEASE!!! ASAPPP!!!!

Mathematics

1 answer:

mario62 [17]3 years ago

6 0

Umm, what grade are you in . i’ll see if i can help

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Solve this system of equations: y = x2 – 3x + 12 y = –2x + 14 1.Isolate one variable in the system of equations, if needed. y =

lina2011 [118]

-2x+14=x²-3x+12
add 2x on both side:
14=x²-x+12
subtract 14 on both side:
x²-x-2=0
factor: (x-2)(x+1)=0
x=2 or x=-1
HOPE THIS HELPS AND PLEASE MARK ME AS BRAINIEST AND ADD ME AS A FRIEND

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3 years ago

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Tools used to physically represent numbers

Rashid [163]

Answer:

The most frequently employed tools are traditional, which include physical ... These three tools can be used independently or conjointly, depending on the type of ... Learning tools can represent mathematical ideas in multiple ways, providing ... nature of concepts, such as numbers, thereby making them real and tangible,...

Step-by-step explanation:

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2 years ago

Freee Pointsss Question mark just put anything an get the points

Damm [24]

Answer:

ok （＾∀＾●）ﾉｼ

Step-by-step explanation:

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3 years ago

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What is 1/2 as a decimal?

frosja888 [35]

0.5 just look it up

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3 years ago

Factor the following expression:<br><img src="https://tex.z-dn.net/?f=6x%5E5-11x%5E4-10x%5E3-54x%5E3%2B99x%5E2%2B90x" id="TexFor

nataly862011 [7]

Answer:

(3x+2)(2x-5)(x³ -9)

Step-by-step explanation:

I like to use a graphing calculator to assist with factoring higher-degree polynomials. This polynomial has roots at -2/3, +5/2, and an irrational number near 2.08. The factors corresponding to the rational roots are (3x +2) and (2x -5).

Polynomial long division or synthetic division can be used to divide these out.

In each case, the divisor has a coefficient other than 1, so both dividend and divisor polynomials need to be divided by that coefficient before proceeding with synthetic division. (That is why there are fractions in the tableaux.)

The result is that the factorization in integers is ...

$6x^5-11x^4-10x^3-54x^2+99x+90=\bf{(3x+2)(2x-5)(x^3-9)}$

_____

The irrational roots are the three cube roots of 9, two of which are complex.

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Any of several different algorithms can tell you that the real roots will lie in the interval [-6, 6] or smaller. The rational roots will be of the form ...

±(divisor of 90)/(divisor of 6)

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3 years ago