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2 years ago

Multiply: (x + 3)(x-4)

Mathematics

1 answer:

Ratling [72]2 years ago

5 0

Answer:

X^2-x-12

Step-by-step explanation:

FOIL

First, Outside, Inside, Last

First: X*X=X^2

Outside: x*-4=-4x

Inside: x*3=3x

Last:3*-4=-12

All together: X^2-4x+3x-12

Simplify: X^2-x-12

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Answer:

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Step-by-step explanation:

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3 years ago

I need this answer fast! Please!

vovangra [49]

Answer:

$\large\boxed{\begin{array}{c|c|c|c}Length:&4cm&2cm&8cm\\Width:&6cm&12cm&3cm\\Height:&9cm&9cm&9cm\end{array}}$

Step-by-step explanation:

The formula of a volume of a cube with side length a:

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$V=6^3=216\ cm^3$

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$216=2\cdot2\cdot2\cdot3\cdot3\cdot3=(2\cdot2)\cdot(2\cdot3)\cdot(3\cdot3)=4\cdot6\cdot9\\\\216=2\cdot2\cdot2\cdot3\cdot3\cdot3=2\cdot(2\cdot2\cdot3)\cdot(3\cdot3)=2\cdot12\cdot9\\\\216=2\cdot2\cdot2\cdot3\cdot3\cdot3=(2\cdot2\cdot2)\cdot3\cdot(3\cdot3)=8\cdot3\cdot9\\\vdots$

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2 years ago

0.5(70a + 12b +2)<br> anyone??

gregori [183]

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2 years ago

Read 2 more answers

Solve the following systems of 3-variable linear equations.

Dima020 [189]

Answer:

Step-by-step explanation:

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3 years ago

Veronica is choosing between two health clubs. After how many months will the total cost for each health club be the same? Yoga

sergiy2304 [10]

Answer:

14.02

Step-by-step explanation:

You'd have to write equations for the price per month for each club.

Let x equal the number of months of membership, and y equal the total cost.

Club A's is y = 24x + 21.50 and Club B's is y = 17.25 x + 41.00 Because we know that the prices, y , would be equal, we can set the two equations equal to each other.

24x + 21.50 =17.25 x+ 41.00

subtract 21.50 both sides

. We can now solve for x by isolating the variable.

24x=17.25x+19.5

divide 17.25x

1.39x=19.5

divide 1.39 both sides

x=14.02

After five months, the total cost would be the same.

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2 years ago