keisha bought a suit on sale for $496. This price was 36% less then the original price. What was the original price?

Mathematics

1 answer:

kiruha [24]3 years ago

8 0

Pretty sure its 775 I'm not 100% sure though I'm bad at math

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Find the axis of symmetry and vertex of the following y= -2x2-3x+2

Mnenie [13.5K]

Y= -2x²-3x+2, (form y = ax² +b .x + c

The parabola opens downward & hence it's Vertex is a MAXIMUM.

We know that the axis of symmetry is -b/2a ==>3/(-4) ==>
x= - 3/4 (axis of symmetry. At x=-3/4 , y = 25/8 = 3.125

Hence the axis of symmetry is x= - 3/4 & the vertex is at (-3/4, 25/8)

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3 years ago

Show all work. PLEASE HELP!!!!

34kurt

(a) Using the table, give the values fo rthe inverse

1) original table of values:

x      1     2     3    4    5

f(x)   0     1     1    5    3

2) The inverse of the function is obtained by exchanging x and f(x), this is:

                   ( x, f(x) ) → ( f(x), x)

3) So, the table of values of the inverse of the given function is:

x          0    1     1      5     3

f⁻¹ (x)   0     1     2     3     4

(b) Is the inverse a function?

No, the inverse is not a function, since the table of the inverse shows that the x -value 1 has two different images.

This ambigüity is opposite to the definition of a function, which requires that any input value has only one output. For that reason, the inverse is not a function. You cannot tell whether the image of 1 is 1 or 2, because both are images of the same value.

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The product of two positive numbers is . what is the minimum value of their sum?

evablogger [386]

The answer is 29 value

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The table of the tolls for Henderson is the direct variation since the cost is proportional to the miles traveled.

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