3 years ago

You paid $80 for a coat. It had been discounted 25%. What was the original price of the coat?

Mathematics

1 answer:

Zanzabum3 years ago

6 0

Answer:

85.6

Step-by-step explanation:

80/75=1.07

1.07*80=85.6

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Factorise: 6ax+2abx+3ay+by

Slav-nsk [51]

Answer:

I think the question is not correct because it can't be factorize

Step-by-step explanation:

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2 years ago

Tim wants to model a doll house from a real house that measures 80 feet in length by 32 feet in width. He decides to use a scale

vredina [299]

1/4":1' = 1/4" : 1'= 1:48
So the dimensions of the model are
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3 years ago

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Factor this polynomial completely x2 + 3x – 18 A. (x-2)(x + 9) B. (x+3)(x-6) оо C. (x - 3)(x+6) D. (x - 3)(x-6)

Umnica [9.8K]

Answer:

C. $(x-3)(x+6)$

Step-by-step explanation:

I think the equation meant $x^2+3x-18$ ?

Anyways, to factor these kinds of quadratic, keep into consideration:

$ax^2+bx+c=(x+w)(x+v)$

ONLY if:

$w+v=b\\wv=c$

Start off by finding factors of c, which in this case, -18:

±(1, 2, 3, 6, 9, 18)

If one of the numbers is negative then the other number must be positive.

Find which two factors will sum up to b, which in this case, is 3.

$1+(-18)\neq 3\\2+(-9)\neq 3\\3+(-6)\neq 3\\6+(-3)=3\\9+(-2)\neq 3\\18+(-1)\neq 3\\$

The only two factors that work are 6 and -3.

Replace them into the factored form:

$(x+w)(x+v)\\(x+6)(x-3)\\(x-3)(x+6)$

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Answer:

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Jackie had $135 to spend at the mall. She spent 29% of that money on a dress. Jackie spent $___ on the dress. (Make sure to ente

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Your Answer is 39.15

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3 years ago

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