A polygon will be dilated on a coordinate grid to create a smaller polygon. The polygon is dilated usi X the origin as the center of dilation.
Which rule could represent this dilation?
A. (x, y) → (0.5 – x,0.5 - y)
B. (x, y) → (x - 7, y - 7)
C. (x, y) - (x, y)
D. (x, y) → (0.9x, 0.9y)

f(x) = - 2/3x + 5; f(5/2)

substitute 5/2 in for x:

f(5/2) = -2/3(5/2) + 5

simplify the right side:

f(5/2) = -5/3 + 5

f(5/2) = 10/3

answer:

f(5/2) = 10/3

i hope this you!

144.50

step-by-step explanation:

21.5 x 13.4=288.10 divide by 2

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hope this plz make brainliest

step-by-step explanation:

this is a direct variation proportion. y = kx

y is the total amount due, k is the constant of variation, and x is the number of texts sent.

plug in the 3.20 and the 16 to solve for the "k". this is the constant of proportionality. it is the value that will not change.

3.20 = k(16). solving you get $.20 per text.

the equation would then be y = .20x