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Sliva [168]
3 years ago
13

Find the distance between the points (2,10) and (-6,-7)

Mathematics
1 answer:
KATRIN_1 [288]3 years ago
8 0

Answer:

Using the slop formula you have to subtract the second coordinate with the first y coordinate. Then do the same with x coordinates.

(-7 - 10)/(-6 - 2)

-17 / -8

so it is 17/8

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X = y - 3
Leviafan [203]
The answer is A. (1, 4), because when the values are substituted in to the equations, you get 1 = 4 - 3 and 1 + 12 = 13, which are both correct. I hope this helps!
3 0
3 years ago
Set up and solve the following using dimensional analysis.
Softa [21]
1).  Multiply (5400 inches) by (1 foot / 12 inch) then by (1 mile / 5280 foot).

      (See explanation at the bottom)

         =      (5400 inch) x (1 foot / 12 inch) x (1 mile / 5280 foot)

         =      (5400 x 1 x 1 / 12 x 5280)  (inch - foot - mile / inch - foot) 

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2).  Multiply (16 week) by (7 day/week) then by (24 hour/day)
       then by (60 minute/hour) then by (60 sec/minute).

3).  Multiply (54 yards) by (3 foot/yard) then by (1 meter/3.28 foot)
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4).  Multiply (36 cm/second) by (3600 second/hour) then by (1 meter/100 cm)
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5).  Look up how many grams in a pound  ('P')
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Each time I told you to multiply by something, it was always a fraction
where the numerator and denominator are equal, like (60 seconds/minute)
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value of the fraction is ' 1 ' , and multiplying by it doesn't change the value,
it only changes the units ... that's what this whole exercise is about.
When you multiply, KEEP the units in the product, and then, after you multiply, you can 'cancel' units out of the top and bottom of the product.
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4 0
3 years ago
Trig help ...............
Flauer [41]
Letter D

A = 135°
B = 30°

cosAcosB - sinAsinB = cos(A+B)

cos(135°+30°)
cos(165°)
4 0
3 years ago
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Nina [5.8K]
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3 years ago
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Zinaida [17]
This should be your answer

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