3 years ago

And please help solve 16

1 answer:

7 0

Answer:

There is a pattern in the x column; add 2.

I the y column; add 4

Make an equation representing it

Step-by-step explanation:

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Alexxx [7]

Expand the right side:

$(ax-c)(bx+d)(bx-d)=(ax-c)(b^2x^2-d^2)$

$=ab^2x^3-b^2cx^2-ad^2x+cd^2$

Notice that 98 = 2 * 7 * 7, so we have $c=2$ and $d=7$ .

Then

$-ad^2=-147\implies a=\dfrac{147}{49}=3$

and

$ab^2=3\implies b^2=1\implies b=1$

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3 years ago

Maslowich

Cot x = cos x / sin x = 0.85 / 0.52 = 1.6346

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4 years ago

kiruha [24]

23.9 is the discount so you gonna round it up so get an whole number the answer is 24

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3 years ago

Mamont248 [21]

The coin wouldn't be fair, because it landed on heads 72/100 times. If the coin was fair, the results should be equivalent to 1/2.

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3 years ago

klasskru [66]

The value is what the Y axis is when X is 8.

Draw a vertical line down from X=8 and see where the line crosses on the Y axis.

See the attached picture. The answer is Y = -4

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3 years ago