-4(3s)+2 (-t); for s = 1/2, t = -3please help me

1 answer:

7 0

Hi there. :)

I'll try to make this simpler for you.

Let's focus on the equation from left to right, to avoid clutter.

-4(3 * 1/2) = -4(1.5)

Now to the right.

+ 2(3) = + 6

Now combine!

-4(1.5) + 6 =

-6 + 6 = 0

The answer is 0.

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Amanda has a piece of ribbon that is 1/4 had long. She wants to share the ribbon with 2 friends so that they can each wear a rib

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<h3>Answer: 1/12</h3>

Explanation:

Draw a rectangle. Then draw three vertical lines inside to split the rectangle into 4 equal pieces. Shade one of the pieces to represent 1/4.

Now draw 2 horizontal lines to split that 1/4 piece into three equal smaller pieces. You should end up with a 3 by 4 grid of small squares. There are 3*4 = 12 small squares total.

Each person gets 1/12 of a unit of ribbon, when we started off with 1/4 of a unit of ribbon. Notice how 3*(1/12) = 3/12 = 1/4.

Refer to the diagram below.