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natta225 [31]
3 years ago
11

What is the equation of a circle with center (8, 4) and radius 7?

Mathematics
1 answer:
guajiro [1.7K]3 years ago
5 0
(x-8)^2 + (y-4)^2 = 49
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Segment FG begins at point F(-2, 4) and ends at point G(-2, -3). The segment is translated 3 units left and 2 units up, then ref
Alexus [3.1K]

Answer:

F'G' = 7

Step-by-step explanation:

Given

F = (-2,4)

G = (-2,-3)

Required

Distance of F'G'

The transformation that give rise to F'G' from FG are:

  • Translation
  • Reflection

The above transformations are referred to as rigid transformation, and as such the side lengths remain unchanged.

i.e.

F'G' = FG

Calculating FG, we have:

FG = \sqrt{(x_1 - x_2)^2 + (y_1 - y_2)^2}

Where:

F = (-2,4) --- (x_1,y_1)

G = (-2,-3) --- (x_2,y_2)

FG = \sqrt{(-2 - -2)^2 + (4 - -3)^2}

FG = \sqrt{(0)^2 + (7)^2}

FG = \sqrt{0 + 49}

FG = \sqrt{49}

Take positive square root

FG = 7

Recall that:

F'G' = FG

F'G' = 7

6 0
2 years ago
If two sides of a triangle measure 12 and 7, which cannot be the perimeter of the triangle?
ser-zykov [4K]
Hi,
Let assume x the 3th side.
x<12+7==> x<19
12<x+7==>x>5
So 5<x<19==> 5+7+12<x+7+12<19+7+12
==>24<x<38
Answer d.

8 0
3 years ago
The Jayden family eats at a restaurant that is having a 15% discount promotion. Their meal costs $78.72 before the discount, and
Scorpion4ik [409]
If I’m not mistaking it is either 80.29 or 80.30 after rounding,I’m not sure.
4 0
3 years ago
Read 2 more answers
HELP ASAP DUE TOMORROW
vesna_86 [32]

Answer:

5) P (arrive) + P (not arrive) = 100%   Complements

80% + P( not arrive) = 100%    Substitute thr ralees

P ( not arraive) = 100% - 80%   Isolate the needed

P ( not arrive) = 20%

therefor, the probability of not arriving on time is:-

20%, or 0.20, or 1/5

The complements of arriving on time is not arriving on time.

The probability is equal to 100%

<u>--------------------------------</u>

<u>hope it helps..</u>

<u>have a great day!</u>

7 0
3 years ago
The number of hours per week that the television is turned on is determined for each family in a sample. the mean of the data is
nikdorinn [45]
Not sure on the number listed as median ? 27.227.2? Please clarify.
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3 years ago
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