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Svetllana [295]
3 years ago
7

4. Find the value of a, for which point p (a/3,2) is the midpoint of the line segment

Mathematics
1 answer:
AysviL [449]3 years ago
3 0

Answer:

a = -9

Step-by-step explanation:

P(a/3 , 2) is mid-point of Q (-5 , 4) and R (-1 , 0)

a/3 = (-5 + (-1))/2 = -6/2 = -3

a = -9

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dedylja [7]
The key to your answer is in d): What is a success? What is a failure? 
If a patient was -6.0 diopters and after Lasik was -1.00 diopter, most surgeons and those in the industry would consider this a failure. The patient, however, may consider it a success because at age 50 she does not need to use reading glasses and still qualifies for a driver's license with 20/40 distance vision.. A patient who can make out the Snellen 20/20 line - familiar letters in black on a white background in a controlled lighting environment - may be considered by the doctor a success, but the patient does not have the crispness of vision experienced before Lasik and with glasses. 
The nonprofit patient advocacy USAEyes.org took a different approach. Success of Lasik means that the patient received what was expected - no matter the numbers. Using a scale of Much Worse Than Expected, Worse Than Expected, As Expected, Better Than Expected, and Much Better Than Expected, the USAEyes Competence Opinion Reletave to Expectations (CORE) patient survey found: 
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4 0
3 years ago
Grade 10 math anyone?
Kisachek [45]

Answer:

6 years

Step-by-step explanation:

Here,

I=60

P=200

R=0.05

and we need to find T.

So using the formula I=PRT, we can find T by substituting the values

60 = (200)(0.05)T

60=10T

T=\frac{60}{10} = 6 years

8 0
2 years ago
42°<br> X Х<br> x =<br> degrees<br> tar<br><br> PLEASE HELP ITS URGENT
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Answer:

x = 48°

Step-by-step explanation:

The sum of the 3 angles in a triangle = 180°, thus

x = 180° - (90 + 42)° = 180° - 132° = 48°

5 0
2 years ago
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Maksim231197 [3]
12+6x was subtracted from the left but only 12 was subtracted from the right.

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What is the run of a 50% slope with a rise of 50 feet?
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