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3 years ago

SOMEONE HAWLP!!! 10 POINTS!! EXTREMELY IMPORTANT!! NEED TO BE CORRECT TO GET POINTS!!

Mathematics

1 answer:

kicyunya [14]3 years ago

6 0

The answer is expression (3,-2).
Plug in answer after making a workable expression to y=1+-1x
2x+-3(1+-1x)
2x+-3+3x=-12
5x+-3=-12
-3 -3
5x=-15
x=-3
Plug back to expression
y=1+-3
y=-2
and x already is 3 so that is your answer for that.
Finally!Brainliest if right?

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What is the average of 74 and 57?

Lina20 [59]

Answer:

65.5

Step-by-step explanation:

(74 + 57)divided by 2 = 65.5

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2 years ago

In the circle shown, BD is a diameter, m1 = 100° and m = 30°. m3 = _____

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2 years ago

According to the Rational Root Theorem, which number is a potential root of f(x) = 9x8 + 9x6 – 12x + 7?

notsponge [240]

Answer-

$\boxed{\boxed{\frac{7}{3}}}$

Solution-

Rational Root Theorem-

$f(x)=a_nx^n+a_{n-1}x^{n-1}+a_{n-2}x^{n-2}+.......+a_1x+a_0\ \ \ and\ a_n\neq 0$

All the potential rational roots are,

$=\pm (\dfrac{\text{factors of}\ a_0}{\text{factors of}\ a_n})$

The given polynomial is,

$f(x) = 9x^8 + 9x^6-12x + 7$

Here,

$a_n=9,\ a_0=7\\\\\text{factors of}\ 9=1,3,9\\\\\text{factors of}\ 7=1,7$

The potential rational roots are,

$=\pm \frac{1}{1},\pm \frac{1}{3}, \pm \frac{1}{9}, \pm \frac{7}{1}, \pm \frac{7}{3}, \pm \frac{7}{9}$

$=\pm 1,\pm \frac{1}{3}, \pm \frac{1}{9}, \pm 7, \pm \frac{7}{3}, \pm \frac{7}{9}$

From, the given options only $\frac{7}{3}$ satisfies.

6 0

3 years ago

Read 2 more answers

Simplify the following (4x + 3) (5x + 2)

lidiya [134]

Answer:

20x^2+23x+6

Step-by-step explanation:

(4x+3)(5x+2)

(4x)(5x)+2(4x)+(5x)3+3(2)

20x^2+8x+15x+6

20x^2+23x+6

Hope that helps :)

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2 years ago

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If you have a chance to win $500 for drawing a card of 10 of any suit from a standard deck of cards, what is the value of expect

Dimas [21]

The expected value is $38.46.

The probability of drawing a 10 from any suit is 4/52. Multiply this by the earnings, 500:

4/52(500) = 2000/52 = 38.46

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3 years ago