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trasher [3.6K]
3 years ago
11

A stereo normally priced at $399 is on sale for 15% off. Find the discount and the sale price.

Mathematics
1 answer:
ankoles [38]3 years ago
5 0
Answer
Discount:$59.85
Sales price:$339.15

Multiply$399 by 15% or 0.15 to get the discount of 59.85 and subtract 399 by discount to get sales price.
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Point A is at (6,-6) and point C is at(-6,-2). find the coordinates of B on AC so that AB= 3/4AC.
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Answer:

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Step-by-step explanation:

You want to find B such that ...

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4(B -A) = 3(C -A) . . . . . . multiply by 4

4B = 3C +A . . . . . . . . . . add 4A, simplify

Now, we can solve for B and substitute the given coordinates:

B = (3C +A)/4 = (3(-6, -2) +(-6, 6))/4 = (-24, 0)/4 = (-6, 0)

The coordinates of point B are (-6, 0).

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Answer:

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Step-by-step explanation:

hehe i doing the smae unit rn.

if a=1 (which it does do ac factoring)

you need two numbers that multiply to -30 and add to 1. those numbers  are 5 and -6.

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since the parenthesis r the same yo only need one. Now you need to put x and 6 in a parenthesis.

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