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sleet_krkn [62]
3 years ago
7

Write a two column proof

Mathematics
1 answer:
jek_recluse [69]3 years ago
4 0

To prove <QPR = <QRP we have to prove ΔPTR ≅ ΔRSP  

Let T be the mid point of PQ and S be the mid point of QR

line joining T and S is TS parallel to PR

Triangle PTR and triangle RSP have same base, one side equal and between same parallel are congruent.

Therefore ΔPTR ≅ ΔRSP  by CPCTC <QPR = <QRP

So we can cnclude that PQR is an isosceles triangle.

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Solve for x.<br> 2x2 – 40x + 200 = 0
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Answer:

5.1

Step-by-step explanation:

you subtract 200 from 0 which =-200 then you can multiply 2 and 2 which =4 so then it's 4 -40x=-200 then u add -4 and -204 which is -204 so then the equation is -40x=-204 then u divide -204 by -40 to get 5.1 so x = 5.1. not sure if I did this right but whatevs

5 0
4 years ago
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Step-by-step explanation:

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An experiment is planned and is scientific. It has more stringent requirements that ensure causation that Roshanda did not meet before she engaged in this trial so we cannot say for a fact that her findings are objective.

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3 years ago
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The ordered pairs (1, 1), (2, 8), (3, 27), (4, 64), and (5, 125) represent a function. What is a
sergij07 [2.7K]

Answer:

Y=x^3 the answer is not there

6 0
4 years ago
Consider f(x)=x+7 and g(x)=x^2-1 find (g of f)(x)
finlep [7]

Answer:

g(f(x))=x^2 + 14x + 48

Step-by-step explanation:

you insert (x+7) into every x in the g(x) equation, so g(x)=(x+7)^2 - 1. then you simplify it by doing (x+7)(x+7) which gets you x^2 + 14x + 49. then you subtract the 1 from the equation to get g(f(x))=x^2 + 14x + 48.

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