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3 years ago

11

Does the equation x2 - 6x + y2 - 6y = -9 intersect the y-axis

1 answer:

Lana71 [14]3 years ago

6 0

The y intercept is= (0,3)

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If the radius of a sphere is increasing at the rate of 2 inches per second how fast

pogonyaev

You haven't shared all of the question, so I'll guess that you want to find "how fast is the area of the sphere increasing?"

Area of a sphere = 4*pi*r^2

Rate of change of area of a sphere with respect to radius r:

dA/dr = 8*pi*r*(dr/dt)

Here, that would come out to

dA/dr = 8*pi*r*(2 inches / sec)

If you meant, "how fast is the volume of the sphere increasing?" you'd need to use a different equation:

V = (4/3)*pi)*r^3

and go through a similar process.

3 0

4 years ago

What is the sum of 4 and its additive inverse

Ad libitum [116K]

Answer:

0

Step-by-step explanation:

additive inverse means any number to make the sum zero. in this case 4 +(-4)=0

4 0

3 years ago

Find the 7th term of the geometric sequence with the given terms.

Anarel [89]

The common ratio is the fifth term divided by the fourth term: -40/-8 = 5.
The seventh term is :
$a_{7}=a_{5}\times5\times5=-40\times5\times5=-1000$

8 0

3 years ago

suppose you deposit $2,475 in a savings account that earns 6.25% simple interest per year. How much simple interest would be ear

Nikolay [14]

$116.02 interest will be earned in 9 months

Step-by-step explanation:

The formula for simple interest is given by:

$I = Prt$

Here

P is the initial amount

r is the interest

t is the time measured in years

Given

P = $2475

r = 6.25% = $\frac{6.25}{100} = 0.0625$

t = 9 months

Converting time into year by dividing by 12

$t = \frac{9}{12}\ years = 0.75\ year$

Putting the values in the formula

$I = 2475 * 0.0625 * 0.75\\I = 116.0156$

Rounding off to nearest hundredth

I = $116.02

Hence,

$116.02 interest will be earned in 9 months

Keywords: Interest, simple interest

Learn more about simple interest at:

#LearnwithBrainly

6 0

3 years ago

Please help me with the question in the image, I have to drag and drop 2 of the answers from the bottom into the slots for the a

Nastasia [14]

The answer is Reflection across the y- axis
$across \: the \: y - axis$

7 0

3 years ago