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Kisachek [45]
4 years ago
9

Help asap, what is the sum of the polynomials? (6x+ 7+ x^2) + (2x^2 -13)

Mathematics
2 answers:
natta225 [31]4 years ago
8 0
6x+7+x^2+2x^2-13
Add like terms
3x^2+6x-6
Verizon [17]4 years ago
3 0
(6x + 7 + x²) + (2x² - 13)

Add like terms:
3x² + 6x - 6

Simplify, if necessary:
3(x² + 2x - 2)
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Give the values of a, b, and c needed to write the equation's general form.
Oksana_A [137]

The values of a, b, and c are needed to write the equation's general form will be a = 1; b = -3; c = 0.Option A is corect.

<h3>What is the equation?</h3>

A mathematical statement consisting of an equal symbol between two algebraic expressions with the same value is known as an equation.

Given equation;

x²-3x=0

The quadratic equation in the form is;

ax² + bx + c = 0

On putting the values of the options one by one we will get the answer;

1 x²+(-3)x+0

x²-3x=0

Hence, option A is corect.

To learn more, about equations, refer;

brainly.com/question/10413253

#SPJ1

5 0
2 years ago
-5(2b + 7) + b &lt; -b - 11
Stells [14]
<span><span>-5(2b+7) + b < -b - 11</span>
<span>-10b - 35 + b < -b - 11

- 10b + b - 35 < -b - 11

-9b - 35 < -b - 11

- 9b + b < - 11 + 35 

-8b < 24

</span></span>\frac{-8b}{-8} \ \textless \  \frac{24}{-8}
<span><span>
b < -3

Have a nice days.........</span></span>
8 0
3 years ago
True or false when we carry out a chai square test of Independence the alternate hypothesis states that the two relevant classif
Anna35 [415]

Answer: False

Step-by-step explanation:

degrees of freedom=(r-1)(c-1)

I don't know if I'm exactly right

if not sorry

6 0
3 years ago
The length of one rectangle is 4 more than
inysia [295]
L = 3w + 4

l = w + 28
6 0
3 years ago
90 POINTS!!! PLEASEE HELP AND SHOW WORK. I WILL GIVE BRAINLIEST IF ALL WORK IS SHOWN THANKSS.
konstantin123 [22]

Answer:

18. 3.3years

Step-by-step explanation:

18. 20,000 - (20,000 - .15x) = 10,000

15% of 20,000 is 3,000

5 0
3 years ago
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