3 years ago

A $40 shirt now selling for $28 is discounted by what percent? A. 20% B. 30% C. 40% D. 60 %

Mathematics

1 answer:

mars1129 [50]3 years ago

3 0

Answer:

Step-by-step explanation:

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Which statement is true about this equation?

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Step-by-step explanation:

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0=0

D) the equation has infinitely many solutions

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B, D

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What does Y=3x + 15 look like on a graph

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3 years ago

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Make z the subject 9d= 6z - 5d

yarga [219]

Answer:

$z=2\frac{1}{3}d$

Step-by-step explanation:

$9d=6z-5d$

$6z=9d+5d$

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Hope this helps :)

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3 years ago

Graph the image of the figure using the transformation given.<br>reflection across y=-1

Vikki [24]

Answer:

I'm not graphing, but I can describe the reflection as R', S', T', U':

R' = (-3, 1)

S' = (-2, 0)

T' = (-1, 2)

U' = (-2, 2)

Step-by-step explanation:

y = -1 is the line one unit below the x axis (the x axis is y=0).

To reflect any point across y=-1, we just need to leave the x coordinate as was, but the (new y) will be -2-(old y)

R = (-3, -3), R' = (-3, -2+3) = (-3, 1)

S = (-2, -2), S' = (-2, -2+2) = (-2, 0)

T = (-1, -4), T' = (-1, -2+4) = (-1, 2)

U = (-2, -4), U' = (-2, -2+4) = (-2, 2)

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3 years ago