2 years ago

Can someone help me it will for sure help alot someone who is confident on doing it WILL GIVE BRAINLIEST

Mathematics

1 answer:

KengaRu [80]2 years ago

3 0

Answer:

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The circle given by x^2+y^2-6y-12=0 can be written in standard form like this: x^2+(y-k)^2=21 What is the value of k in this equ

sweet [91]

Answer:

The value of k =3

Step-by-step explanation:

$x^2+y^2-6y-12=0$ We need to solve this equation to become in standard form to find the value of k.

$x^2+y^2-6y-12=0\\x^2+y^2-6y = 12\\(x)^2 +(y^2-2(y)(3)+(3)^2) = 12 +(3)^2\\(x)^2+(y-3)^2 = 12+9\\(x)^2 +(y-3)^2 = 21$

The given standard form is:

$x^2+(y-k)^2=21$

Comparing it with $(x)^2 +(y-3)^2 = 21$

The value of k =3

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2 years ago

Read 2 more answers

2. You rent a car and are offered 2 payment options. You can pay $25 a day plus $0.15 a mile

vichka [17]

Answer:

>60

Step-by-step explanation:

The difference in miles is 0.25 per mile. Because there is 15$ difference in initial payment then after 60 miles (60x0.25=$15) A will be better option. At $60 A and B are same and lower than B is better

5 0

2 years ago

Jack is drawing circles on a playground for a game. If he draws a circle with a radius 3 feet, what is the area of the circle, t

aev [14]

Answer:

28.2743 square feet (28 square feet, rounded)

Step-by-step explanation:

The area of a circle is given by the equation

Area = πr^2

Plug in 3 for the radius

Area= π(3)^2

3 squared is 9

Area= 9 π

Area= 28.2743 square feet

Rounded to the nearest square foot, the area of the circle is 28 square feet.

7 0

2 years ago

The taxi cost $2.25 for the first mile plus 15 Cents for each additional tenth of a mile. For a 5.2-mile trip, Eric paid $10 and

k0ka [10]

2.25x15= blah blah blah, and boom there is your answer

4 0

2 years ago

PUZZLE #2

Maksim231197 [3]

I have no clue I don’t understand this

4 0

1 year ago