3 years ago

What is 2x+3y=17 3x+2y= -0.5

Mathematics

1 answer:

Flauer [41]3 years ago

4 0

1.x=1 y=5

2.x=0 y=1/4

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Evan graphed a cubic function, f(x) = ax3 + bx2 + cx + d, and determined the roots of f(x) to be +1 and 2. What is the value of

Lana71 [14]

The value of $b$ in the <em>cubic</em> polynomial is -4.

<h3>How to determine the coefficients of a cubic polynomial</h3>

After a quick analysis, we find that given <em>cubic</em> function is equivalent to the following equivalence:

$x^{3}+b\cdot x^{2}+c\cdot x + d = (x-1)^{2}\cdot (x-2)$

$x^{3}+b\cdot x^{2}+c\cdot x + d = (x^{2}-2\cdot x + 1)\cdot (x-2)$

$x^{3}+b\cdot x^{2}+c\cdot x + d = x^{3}-2\cdot x^{2}+x-2\cdot x^{2}+4\cdot x-2$

$x^{3}+b\cdot x^{2}+c\cdot x + d = x^{3}-4\cdot x^{2}+5\cdot x -2$

After a quick observation, we conclude that the value of $b$ in the <em>cubic</em> polynomial is -4. $\blacksquare$

To learn more on polynomials, we kindly invite to check this verified question: brainly.com/question/17822016

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2 years ago

What is 4 times more than 4

ANTONII [103]

16 because if you multiply 4x4 it equals 16

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3 years ago

Read 2 more answers

The sum of three consecutive integers is 261 , which equation could be used to find the integer .

Allisa [31]

Answer:

You got it wrong, its the first option

Step-by-step explanation:

Since its not asking for a consectuive EVEN or ODD integer its not

X + X+2 + X+4...

Instead its just the normal way

X + X+1 + X+2 + X+3....

SO thats the correct answer.

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3 years ago

Help me please <br> !!!!!!!!!!!!!!!

DaniilM [7]

8 units

(This is how I get the answer)

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3 years ago

a store is giving away $10 coupons to every 7th person to enter the store and a $25 coupon to every 18th person too emter the st

almond37 [142]

7,14,21,28,35,42,49,56,63,70,77,84,91,98,105,112,119,126
18,36,54,72,90,108,126

So the first person to get both of them is the 126th person

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3 years ago