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AleksandrR [38]
4 years ago
12

A circle has the equation x2+y2+16y−30x=0.

Mathematics
1 answer:
taurus [48]4 years ago
6 0

Answer:

Step-by-step explanation:

hello :

x2+y2+16y−30x=0  means : (x²-30x)+(y²+16y) =0

(x²-30x+15²)-15²+(y²+16y+8²) -8²=0

(x-15)²-225+(y+8)²-64=0

(x-15)²+(y+8)²=289=17²......standard form when the center is (15,- 8)

and radius 17

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bryans aquarium is 6 feet long, 4 feet wide and 5 feet high, how many cubic feet of water can the tank hold?
SashulF [63]
6 x 4 x 5 = 120 cubic feet of water
7 0
3 years ago
Rick needs to be at school at 8:15 A.M. It takes him 20 minutes to walk to school.At what time dose he need to leave to get to s
Rom4ik [11]
Rick needs to leave at 7:55am to get to school on time.

7:55am is 20 minutes before 8:15am.
5 0
3 years ago
Solve the system of equations. <br> x+2y=0 <br> 6y= - 3x
Alborosie

Answer:

Infinitely Many Solutions.

Step-by-step explanation:

x+2y=0

6y=-3x

y=-3/6x

y=-1/2x

x+2(-1/2x)=0

x-2/2x=0

x-x=0

0=0

infinitely many solutions

8 0
3 years ago
For f(X)=2x+1 and g(X)=x^2,find (f-g)(X)
Bezzdna [24]

The answer for f(x)-g(x) is -x^2+2x+1.The solution can be obtained by use of concept of functions.

<h3>What is a function?</h3>

A function, in mathematics, can be defined as an expression, rule, or law that defines a relationship between one variable (the independent variable) and another variable (the dependent variable).It useful in mathematical representation of scientific quantities.

We can perform addition and subtraction operations on functions.

The given function f(x) and g(x) are

f(x)=2x+1\\g(x)=x^2\\f(x)-g(x)=2x+1-x^2\\f(x)-g(x)=-x^2+2x+1

The solution for f(x)-g(x) is -x^2+2x+1.

To know more about functions visit:

brainly.com/question/12431044

#SPJ9

3 0
1 year ago
Adam and three friends go on holiday together for a week.
Kazeer [188]

Answer:

590

Step-by-step explanation:

1,460+720+180=2,360

2,360/4=590

HOPE THIS HELPS!!!! :)

8 0
3 years ago
Read 2 more answers
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