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pickupchik [31]

3 years ago

6

S=5(3.14)ab+5(3.14)s^2

1 answer:

Vera_Pavlovna [14]3 years ago

5 0

Answer:

Step-by-step explanation:

Not sure what you're after. Your formula is

S = 5πab + 5πs^2

Looks like the combination of an ellipse and a circle

Maybe you could explain a bit ...

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kodGreya [7K]

Answer:

$y=-2\,(x+3)^2-3$

Step-by-step explanation:

Notice that they are asking you to write the equation of the parabola in vertex form, that is using the coordinates of the vertex $(x_v,y_v)$ in the expression:

$y-y_v=a\,(x-x_v)^2\\y=a\,(x-x_v)^2+y_v$

we can start by directly replacing the given vertex coordinates (-3, -3) in the expression, and then using the extra info on the point the parabola goes through in order to find the parameter $a$ :

$y=a\,(x-x_v)^2+y_v\\y=a\,(x+3)^2+(-3)\\y=a\,(x+3)^2-3\\-5=a\,(-2+3)^2-3\\-5=a\,(1)-3\\a=-5+3\\a=-2$

So, now we can write the full expression for the parabola:

$y=a\,(x+3)^2-3\\y=-2\,(x+3)^2-3$

8 0

3 years ago

What is an algebraic expression for 58 less than a number n?

Korvikt [17]

Answer:

n-58

Step-by-step explanation:

8 0

3 years ago

Read 2 more answers

What is 6 divide by 5

lara31 [8.8K]

Hey there!

6 divided by 5 = 1.2

Hope this helps!
Have a great day! (:

7 0

3 years ago

Please help me ill mark you brainliest and please show your work :)

Nana76 [90]

Answer:

12

Step-by-step explanation:

Multiply both sides of the equation by 8/5.

4x-16=32

Move 16 to the other side

4x=32+16

add numbers on the right side

4x=48

divide both sides by 4

x=12

7 0

3 years ago

During a musical, an orchestra is playing. As the music plays, the volume changes at the beginning of the piece can be modeled b

Ivanshal [37]

Answer:

what

Step-by-step explanation:

...

5 0

3 years ago

Read 2 more answers