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sveticcg [70]
3 years ago
6

Need help quickkkkkkkkkkk​

Mathematics
2 answers:
Liula [17]3 years ago
7 0
It’s D the proof is done
goldfiish [28.3K]3 years ago
4 0

Answer:

C. The proof is done.

Step-by-step explanation:

i could be wrong but if i remember correctly QED stands for Quod Erat Demonstrandum

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Use completing the square to solve the equation x^2+16x=-44.
Sidana [21]

Step-by-step explanation:

our equation is x²+16x = -44

  • x²+16x= -44
  • x² is the first term so weill have in the middle 2*x* a number
  • x²+2*x*8 = -44
  • the third term is 8² wich is 64 so we will add it in both sides
  • x²+2*x*8+64 = -44+64
  • (x+8)² = 20

Now that we have completed the perfect square let's solve the equation

  • (x+8)² = 20
  • x+8 = \sqrt{20}or x+8= -\sqrt{20}
  • x = -8+\sqrt{20} or x =  -8- \sqrt{20}

so the first answer is the correct one

64; 8 +/- \sqrt{20}

7 0
3 years ago
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Anyone please help me to do 4 ) f
slavikrds [6]
I think your missing one which is G
7 0
2 years ago
A group of veterinarians at a major veterinary hospital was interested in investigating a possible link between enteroliths, sto
klemol [59]
C. all horses that are diagnosed with enteroliths
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3 years ago
Mike is going to put his $97 in a savings account. This account earns 4% simple interest. Find the INTEREST EARNED after 5 years
Mars2501 [29]

$19.4

Step-by-step explanation:

Simple Interest=SI

Principle(deposit)=P(97)

Rate= R(4/100=0.04)

Time= T(5)

SI=P•R•T

SI=97x0.04x5

SI=19.4

Interest earned = $19.4

5 0
2 years ago
A family’s lunch bill is $10.19 before tax and tip. Using the percents shown for sales tax and gratuity, how much money should t
svp [43]

Answer:

The answer is 12.36

Step-by-step explanation:

I just did the assignment and guessed and got them wrong and it said this is the right answer so yeah.

You're welcome!! :D

7 0
3 years ago
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