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2 years ago

The center of a circle is at (−3, 1) and its radius is 9. What is the equation of the circle?

Mathematics

1 answer:

jek_recluse [69]2 years ago

7 0

If a circle has center (a,b) and radius r, the equation is

$(x-a)^2+(y-b)^2=r^2$

So, you have

$(x+3)^2+(y-1)^2=81$

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Please help asap Thank you

vodka [1.7K]

Answer:

k=70

Step-by-step explanation:

two ways to do this

the sum of k+110 has to equal 180, so k=70

52+58+k has to equal 180, so k=70

8 0

3 years ago

Read 2 more answers

The map shows the location of the airport and a warehouse in a city. Though not displayed on the map, there is also a factory 10

kipiarov [429]

step 1

find the coordinates of the factory

the factory is 104 miles due north of the warehouse

the coordinates of the warehouse are (39,-52)

coordinates of the factory------> (39,-52+104)------> (39,52)

step 2

find the distance warehouse to airport

let

A coordinates of warehouse-------> A( 39,-52)

B coordinates of airport---------> B(-39,52)

C coordinates of factory-------> C(39,52)

distance AB=√[(52+52)²+(-39-39)²]------> distance AB=130 miles

step 3

find the distance airport to factory

B(-39,52)

C(39,52)

distance BC=√[(52-52)²+(39+39)²]-----> distance BC=39 miles

the total number of miles=distance AB+distance BC---> 130+39

the total number of miles=169 miles

Thus the answer is 169

4 0

2 years ago

Read 2 more answers

A light bulb consumes 9450 W in five days in six hours how many watt hours does a consume per day?

KengaRu [80]

Well first 9450/5=1890 then 1890/6= 315 watt hours per day

5 0

3 years ago

Is g(x) the inverse function of f(x)? f(x)=x–7 g(x)=–5x–9

Basile [38]

Answer:

Step-by-step explanation:

The inverse function of f(x) is x+7

8 0

3 years ago

I’ll give Brainliest!!

Gnoma [55]

Answer: 1.5

Step-by-step explanation: The difference between the 2nd And 4th is 7. Divide by 2 to get 3.5. Add 3.5 to f(2) to getf(3)
The difference between f(1) and f(2) will be 3.5 and that's 5-3.5 =1.5
F(5) is 15.5 f(6) is 19

7 0

2 years ago