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Marizza181 [45]
3 years ago
10

Math number 8. Find the value of x

Mathematics
1 answer:
ruslelena [56]3 years ago
5 0

Answer:

8

Step-by-step explanation:

By intersecting chords theorem:

14(2x + 2) = 12(2x + 5) \\  \\  28x + 28 = 24x + 60 \\  \\ 28x - 24x = 60 - 28 \\  \\ 4x = 32 \\  \\ x =  \frac{32}{4}  \\  \\ x = 8

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Which statement describes the effect on the parabola y = x2 - 1 when it is changed to y = x2 +6?
zlopas [31]

Initial:

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Changed to:

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In a equation as follow:

y=x^2+k

The k is a transformation that moves up or down the graph of the function. If k is changed to a less value the graph moves down, If k is changed to a greather number the graph moves up.

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To find the number of units the graph moves find the difference betwwen values of k:

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1 year ago
Could you please show the work for both of them?​
lesantik [10]
7. y=-3/2x+8 (3rd answer choice)

substitute
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so equation would be...

y=-3/2x+8 (3rd answer choice)




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check your work by substituting each (x,y) value into the final equations if you want. hope this helps :))
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