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harina [27]
3 years ago
12

Help on my test very important

Mathematics
2 answers:
Rufina [12.5K]3 years ago
7 0

Hey buddy I am here to help!

The first one is false as the answer should be  diameter = 9cm

The second one i dont know sry

Hope it helps!

vichka [17]3 years ago
5 0
1. False, the diameter has to be bigger than the radius.
2. True, tangent lines have to be perpendicular.
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Step-by-step explanation:

To solve this, we must note that the two equations speaks of a single function of y. So

y = 2x - 3 = x² - 3

So from.here we can equate the two together and solve for x.

x² - 3 = 2x - 3, biw convert to a quadratic expression

x² - 2x - 3 + 3 = 0

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x = 0 or x = 2. .I believed getting the 2 won't be a problem

When x - 2 = 0

Then x = 2.

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