2 years ago

A $105 watch is selling for 30% off.Find the final price if the sales tax is 8%

Mathematics

1 answer:

Nesterboy [21]2 years ago

6 0

105 x 0.08 and what you get is your answer

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What is the vertex of (x) = –16x² + 64x + 80.

cricket20 [7]

Answer:

Step-by-step explanation:

f(x) = a(x - h)² + k - the vertex form of the equation of the parabola with vertex (h, k)

$f(x) = -16x^2+ 64x + 80\\\\f(x) = -16(x^2- 4x) + 80\\\\f(x) = -16(\underline {x^2-2\cdot2x\cdot2+2^2}-2^2) + 80\\\\f(x) = -16\big[(x-2)^2-4\big] + 80\\\\f(x) = -16(x-2)^2+64 + 80\\\\\bold{f(x)=-16(x-2)^2+124\quad\implies\quad h=2\,,\quad k=124}$

<u>The vertex is </u><u>(2, 124)</u>

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3 years ago

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Obliviously 1/2.
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D) y= 3x^2 + 2 represents a function.

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In a class of 28 students, 19 have a cat and 6 have a dog. There are 5 students who do not have a cat or a dog. What is the prob

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Find the slope of the line that passes through the points (2,12)and(-2,0)

bulgar [2K]

Answer:

$m=3$

Step-by-step explanation:

to find the slope between two points use the formula $m=\frac{y_2-y_1}{x_2-x_1}$

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simplify

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