3 years ago

Please look at the picture if wanted to answer my question

Mathematics

1 answer:

77julia77 [94]3 years ago

7 0

You must divide both sides by 3,and you get 3/4.

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Kohl's sells casual shirts for $9 and Poles shirts for $18. Total sales $1080, and customers bought 4 times as many casual as po

lbvjy [14]

If we assume the number of polo shirts have been sold is x, the number of casual shirts have been sold will be 4x.
x*18+4x*9=$1080
(18+36)x=$1080
54x=$1080
x=20

The number of casual shirts have been sold is 4*20=80

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3 years ago

Find the derivative of y= 1 / x

givi [52]

Answer:

dy/dx = -1/ $x^{2}$

Step-by-step explanation:

y = 1/x

dy/dx = d/dx(1/x)

=> dy/dx = d/dx( $x^{-1}$ )

=> dy/dx = - $x^{-2}$

=> dy/dx = -1/ $x^{2}$

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2 years ago

Please put in order smallest to largest.

yaroslaw [1]

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3 years ago

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laiz [17]

The answer is 325, 20 + 205 + 100 = 325

4 0

3 years ago

Need help, cant figure it out

just olya [345]

Answer:

<WSN=80

Step-by-step explanation:

arc WN = 160

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7 0

3 years ago