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2 years ago

12

Is the equation y=3x in slope intercept form

1 answer:

makkiz [27]2 years ago

3 0

No y=mx+b your missing the b in the formula which stands for y intercept

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Jane class is trying to raise money for their class trip to Washington D.C by holding a car wash.On Saturday the class washed 25

Kobotan [32]

They have $150.25 left over

(just do 25 times 6.50 then minus 12.25)

6 0

2 years ago

(5x2 + 2x + 11) - (7 + 4x - 2x2)

storchak [24]

The answer is 7x^2 - 2x + 4, so answer D.

6 0

2 years ago

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Evaluate the function f(x) at the given numbers (correct to six decimal places). f(x) = x2 − 9x x2 − 8x − 9 , x = 0, −0.5, −0.9,

Lilit [14]

Answer:

See the attachment. (All results are integers, so are correct to 6 decimal places.)

Step-by-step explanation:

The function simplifies to ...

... f(x) = x(x-9)/((x+1)(x-9))

... f(x) = x/(x+1) . . . for x ≠ 9

6 0

2 years ago

Just want to make sure that I did my maths right. anyone helps. thanks

ahrayia [7]

Yes you got them all correct at least I think.

5 0

2 years ago

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Whats the answer to 45=x(14-x)

ElenaW [278]

$45=x(14-x)\\ \\45=14x-x^2\\ \\x^2-14x+45=0\\ \\\Delta = b^{2}-4ac = (-14)^{2}-4*1* 45=196-180=16 \\ \\x_{1}=\frac{-b-\sqrt{\Delta }}{2a} =\frac{14- \sqrt{16}}{2}=\frac{14-4}{2}= \frac{12}{2}=6\\ \\x_{2}=\frac{-b+\sqrt{\Delta }}{2a} =\frac{14+\sqrt{16}}{2}=\frac{14+4}{2}= \frac{18}{2}=9$

3 0

2 years ago

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