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prohojiy [21]
3 years ago
6

Subtract 5x^2-2x-55x 2 −2x−5 from -2x^2-5x-7−2x 2 −5x−7.

Mathematics
2 answers:
balu736 [363]3 years ago
6 0

Answer:

-7x^2 -3x -2

Step-by-step explanation:

leva [86]3 years ago
5 0

Answer:

7x^2 -128x -19

Step-by-step explanation:

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Complete the coordinate proof of the theorem. Given: A B C D is a rectangle. Prove: The diagonals of A B C D are congruent.
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Step-by-step explanation:

<u>Given coordinates of the rectangle ABCD:</u>

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Lets first find coordinates of C

We can see that A and B are on same line horizontally, so C and D will be on the parallel line

The distance AB and CD are equal also distance AD and BC are equal, therefore

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<u>So the coordinates of C are:</u>

  • x = a, y = b

<u>Now the diagonals:</u>

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Since AC = BD, we can state they are congruent

3 0
3 years ago
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A 4 foot man cast a 6 foot shadow how tall is a tree that cast a 21 foot shadow
Eva8 [605]

Answer:

Step-by-step explanation:

Maybe 8 feet

3 0
3 years ago
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2. Find the compound interest on Rs.25, 000 after 2 years compounded
Allushta [10]

Answer:25,000 in 2 years at annual compound interest, if the rates for the successive years be 4% and 5% per annum respectively is: (1) Rs. 30,000 (2) Rs. 26,800 fa) Rs.

A=P[1+  

100

r

​  

]  

n

 

⇒  A=Rs.25,000×(  

100

106

​  

)  

3

 

⇒  25,000×  

50

53

​  

×  

50

53

​  

×  

50

53

​  

 

⇒  A=Rs.29,775.40

⇒  CI=A−P

⇒  Rs.29,775.40−Rs.25,000

∴   CompoundInterest=Rs.4775.40.

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3 years ago
-6(1 + 2v) – 7(v + 1) = -13
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The answer is V=0.3157=0.32
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En un hospital 1800 varones mayores de 40 años son examinados por medio del tacto rectal como prueba de tamizaje para detectar c
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Answer:

de turquesa en la cueva surena

Step-by-step explanation:

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