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Arisa [49]
3 years ago
6

Part 1: Use the information provided to write the standard form equation of each circle. Please show the work.

Mathematics
1 answer:
dusya [7]3 years ago
4 0

Answer:

1. (x + 2)² + (y - 9)² = 64

2. (x + 6)² + (y - 9/2)² = 100

3. (x - 15)² + (y + 10)² = 1

Step-by-step explanation:

Equation of a circle:

(x - h)² + (y - k)² = r²

1. Center: (-2, 9), Radius: 8

(x - (-2))² + (y - 9)² = 8²

(x + 2)² + (y - 9)² = 64

2. Center: (-6, 9/2), Radius: 10

(x - (-6))² + (y - (9/2))² = 10²

(x + 6)² + (y - 9/2)² = 100

3. Center: (15, -10), Radius: 1

(x - 15)² + (y - (-10))² = 1²

(x - 15)² + (y + 10)² = 1

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eduard
The ratio 21:14 when divided by 7 on each side, is the smallest ratio that has the same value as 21:14. this becomes 3:2

then multiply both sides by a few different numbers on both sides each ,

for example, 3:2 is the same as
6:4 (3:2 times 2)
9:6 (3:2 times 3)
12:8 (3:2 times 4)
15:10 (3:2 times 5) and so on
the ratio of the right number I
divided by the left on all of them is 1.5

so,
14/10 equals 1.4 (nope)
8/4 equals 2 (nope)
9/6 equals 1.5 (yay)
12/21 equals 0.57 (Lol)

So your answer is 9:6
4 0
2 years ago
What is the measure of angle 1
sashaice [31]

Answer:

C. 74

This is because the total angle measure is 360 degrees

1.360-90 because we see a 90 degree angle here

2. 270-109=161

3.161-87=74

answer 74

4 0
3 years ago
During a snowstorm, the temperature drops from 0°F to -10°F in 2 hours. On average,by how many degrees is the temperature changi
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Answer:

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Step-by-step explanation:

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For 1 hr = - 10°F/2 = - 5°F

So, answer = - 5°F

6 0
2 years ago
A train traveled 240 km in 2.5 hours and then slowed down traveling the final 180 km in 2 hours. What was the train's average sp
sesenic [268]
Average speed=Total Distance Covered\<span>Total time take<span>n
T.D=240+180=420
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420\4.5=93.3 km\h
answer=D</span></span>
7 0
3 years ago
What is the first step to solve this equation: -3x + 11 = 44​
Verdich [7]
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7 0
3 years ago
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