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Lelu [443]
3 years ago
8

the midpoint of EF is point P at (-6,-2). If point E is at (2,-4), what are the coordinates of point F?

Mathematics
2 answers:
8090 [49]3 years ago
5 0
The answer is (-14,0) because the slope is -2/8
polet [3.4K]3 years ago
5 0

Answer:

-14,0

Step-by-step explanation:

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The perimeters of similar triangles are in the same ratio as the corresponding sides
wariber [46]

Answer:

Always

Step-by-step explanation:

Suppose you have triangle ABC with side lengths a, b, c. Suppose that is similar to triangle DEF with side lengths d, e, f.

Now, let k be the ratio of corresponding sides ...

  k = d/a

Because the same factor applies to all sides, we also have ...

  k = e/b = f/c

That is, if we multiply by the denominators of each of these fractions, we get ...

  • d = a·k
  • e =b·k
  • f = c·k

The perimeter of ΔABC is ...

   perimeter(ABC) = a + b + c

The perimeter of ΔDEF is ...

  perimeter(DEF) = d + e + f = a·k + b·k + c·k

  perimeter(DEF) = k(a + b + c) = k·perimeter(ABC)

  k = perimeter(DEF)/perimeter(ABC)

That is, the perimeters are in the same ratio as corresponding sides.

3 0
2 years ago
What is the equation of the line that passes through point P (6, -8) and has a slope of zero?
EleoNora [17]

Answer:

A

Step-by-step explanation:

because it is a straight line locate at x = 6 that pass to every y coordinate, so it pass -8 too.

8 0
2 years ago
Helpppppppppppppppppppppp
7nadin3 [17]
A) false
3(5)-5
15-5
10

b)True
3(6)-5
18-5
13

c) false
3(7)-5
27-5
22
5 0
2 years ago
Seamus plays outside for five and five sixths hours every week. He has already played outside for four and three sixths hours. H
gregori [183]
Answer = C because 5-4 and 5/6 - 3/6 = 1 and 2/6
3 0
2 years ago
On a trip, a motorist drove 150 miles in the morning and 50 miles in the afternoon. His average rate in the morning was twice hi
AfilCa [17]

A motorist drove 150 miles in the morning and;

50 miles in the afternoon

His average rate in the morning was twice his average rate in the afternoon

He spent 5hrs driving

Let the times spent driving in the morning be x

Average speed = Distance ÷ time

\frac{150}{x} = 2(\frac{50}{5 - x})

Cross multiplying gives;

750 - 150x = 100x

250x = 750 , x =3

Average speed in the morning is 150/3 = 50miles/hr

Average speed in the afternoon = 50/(5-3) = 25miles/hr


8 0
3 years ago
Read 2 more answers
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