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suter [353]
3 years ago
10

Pls help geometry please and thank you

Mathematics
2 answers:
viktelen [127]3 years ago
8 0
1. is given. 2. is reflective property. 4. is alternate interior angles. and 5. is definition of a midpoint. (the answer above has 2 and 4 swapped. the statement for 4 is giving you interior angles, hence the reason for four being alternate interior angles. this could be wrong but i don’t believe it is.)
Elena L [17]3 years ago
4 0
#one would be given, #2 is alternate interior, and number 4 would be reflexive property
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Which of the following is the contrapositive of the statement "If I travel, I will go to France"?
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How do we rewrite the equation y=-x 4
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The function, as presented here, is ambiguous in terms of what's being deivded by what.  For the sake of example, I will assume that you meant

           3x+5a
<span> f(x)= ------------
</span>          x^2-a^2

You are saying that the derivative of this function is 0 when x=12.  Let's differentiate f(x) with respect to x and then let x = 12:

             (x^2-a^2)(3) -(3x+5a)(2x)
f '(x) = ------------------------------------- = 0 when x = 12
                [x^2-a^2]^2

(144-a^2)(3) - (36+5a)(24)
------------------------------------  =  0
               [   ]^2

Simplifying,

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144 - a^2 - 288 - 40a = 0

This can be rewritten as a quadratic in standard form:

-a^2 - 40a - 144 = 0, or a^2 + 40a + 144 = 0.

Solve for a by completing the square:

a^2 + 40a + 20^2 - 20^2 + 144 = 0
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You must check both answers by subst. into the original equation.  Only if the result(s) is(are) true is your solution (value of a) correct.
6 0
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