3 years ago

If four times a whole number is subtracted from three times the square of the number, the result 15 is obtained. Find the number

1 answer:

4 0

See attached picture for answer:

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slega [8]

$\bf \cfrac{10km}{55mins}\cdot \cfrac{0.621miles}{1km}\implies \cfrac{62.1miles}{55mins}\approx 1.12909909\approx \boxed{1.13\frac{miles}{mins}}$

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3 years ago

grin007 [14]

You have to turn the denominators the same then whatever you do to the top you do to the bottom the just subtract

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Paladinen [302]

If 6=1 then 6x7= 42 so 42 oz of food per week

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klemol [59]

1/4. and. 1/12. will do that.

3 0

3 years ago

zalisa [80]

Answer:

Step-by-step explanation:

2x² -x - 6 = 2x² - 4x + 3x - 3*2

= 2x*(x - 2) + 3*(x - 2)

= (x-2)(2x + 3)

A = 2x² -x - 6

A = (x - 2)(2x + 3)

length*width = (x - 2)(2x + 3)

length * (2x +3) = (x - 2)(2x + 3)

$length=\frac{(x-2)(2x+3)}{(2x+3)}$

length = x - 2

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3 years ago