3 years ago

The cost of a pair of jeans is 4 times the cost of a book

Mathematics

1 answer:

galben [10]3 years ago

3 0

Answer:

what's the cost of the books then

Step-by-step explanation:

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Find the missing values<br> 3:4=6:__=9:_=12:_=15:_

Dahasolnce [82]

Step-by-step explanation:

6:8=9:12=12:16=15:20

5 0

3 years ago

What algebraic expression must be added to the sum of 3x2 +4x+8 and 2x2−6x+3 to give 9x2−2x−5 as the result?

vesna_86 [32]

Answer:

$4x^2-16$

Step-by-step explanation:

-This is an addition/subtraction problem.

#We subtract the sum of the first two expression from the third expression:

$\#Add \ first \ two\\\\=3x^2 +4x+8 +2x^2-6x+3\\\\=5x^2-2x+11\\\\\# Subtract\ from \ the \ third\\=(9x^2-2x-5)-(5x^2-2x+11)\\\\=9x^2-2x-5-5x^2+2x-11\\\\=4x^2-16$

Hence, the expression $4x^2-16$ must be added to the first two.

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3 years ago

How do you do decrease 280 by 95%

stealth61 [152]

95% = 0.95

280 - (280 * 0.95)

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3 years ago

What is 3x + 2 (x-y) ?

AfilCa [17]

Answer:

5x-2y

Step-by-step explanation: u multiply

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3 years ago

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Deirdre plotted a point D in Quadrant IV. After she reflected the point across an axis, the reflection was in Quadrant III. Give

Lostsunrise [7]

It depend on what d was. anything in Q3 can work for the reflection and both x and y are negative, you can say that for sure. for the actual point D, anything in Q4. in Q4 x is positive and y is negative. if d is (3,-3) then it's reflection is (-3,-3)

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3 years ago