3 years ago

Each pair of points lies on a line with the given slope. Find x.

Mathematics

1 answer:

Gwar [14]3 years ago

8 0

Answer:

the answer is -2 inorder to get -1 slope

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The expression is 12n -4 = -7 solve for n

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The answer for N is 1/4

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Softa [21]

Answer:

The correct option is 'c' <em>cross-multiplication</em>

Step-by-step explanation:

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A long distance runner does a first lap around a track in exactly 50 seconds.As she tires.Each subsequent lap takes 20% longer t

madreJ [45]

Answer:

182 seconds

Step-by-step explanation:

Given:

Time taken for first lap is 50 seconds and each subsequent lap takes 20% longer than previous

Solution:

Time taken for first lap = 50 sec

For second lap

Each subsequent lap takes 20% longer than previous

Previous lap time = 50 sec

second lap = 50 + 20% of 50

second lap $=50+(\frac{20}{100}\times 50)$

second lap $= 50 + 10$

second lap $= 60\ sec$

For third lap

Each subsequent lap takes 20% longer than previous

Previous lap time = 60 sec

Third lap = 60 + 20% of 60

$Third\ lap = 60 + (\frac{20}{100}\times 60)$

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$Third\ lap = 60+12$

$Third\ lap = 72\ sec$

Time taken for 3 laps is equal to sum of all three laps time.

$Tiem\ taken\ for\ 3\ lap = 50+60+72$

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Therefore, it takes 182 seconds (3 min, 2 seconds) to run three laps

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4 years ago

a professional baseball game of lacrosse has 60 mintues of playing time.It is spit into 4 equal period of time.How many mintues

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15 minutes in each period, b/c 60/4 = 15.

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