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almond37 [142]
1 year ago
14

Model this function.

Mathematics
1 answer:
Misha Larkins [42]1 year ago
3 0

The area of the square as a function of radius is given as  A(r) = 2r^2

As given in the question a square is inscribed in a b. So the diagonals of the square will be the diameter of the circle.

The formula for the diagonals of the square is,

                           D = s√2        

                         Where, s = side of the square

And the formula for the diameter of the circle is,

                              D = 2r

                       Where r = radius of the circle

As,     Diagonals of the square = Diameter of the circle

Thus,      s√2 = 2r

                s = 2r/√2

                 s = r√2            (1)

Now, the formula of the area of the square is,

                    A = s^2

Putting the value of s from equation (1) in the above formula we get

                 A = (r√2)^2

                A = 2r^2

Hence the area of the square as a function of radius is given as  A(r) = 2r^2

Learn more about area of square here : brainly.com/question/25092270

#SPJ9

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At a cost of $8 per pound, how many ounces of rice flour can be bought for $3.35?
Lady_Fox [76]

Answer:

$41 cents

Step-by-step explanation:

$8 divided by $3.35 equals $0.41 cents

4 0
2 years ago
Michael Pedro and Kevin were saving money. All together they saved $130. Kevin saved 3 times more than Pedro. Michael saved $20
yKpoI14uk [10]

Answer:

The saving of all three person are

The Pedro's saving is $ 30

The Michael's saving is $ 10

The Kevin's saving is $ 90

Step-by-step explanation:

Given as :

The three person namely Michael , Pedro , Kevin

The total saving of all together = $ 130

Let The Michael's saving = $ M

The Pedro's saving = $ P

The Kevin's saving = $ k

I.e Michael's saving + Pedro's saving + Kevin's saving = $ 130

Or, M + P + K = $ 130

again ,

Kevin saved 3 times more than Pedro

I.e K = 3 × P

And , Michael save $ 20 less than Pedro

I.e M = P - $ 20

Now

∵ M + P + K = $ 130

or, (  P - $ 20) + P + 3 × P = $ 130

Or, 5 P - $ 20 = $ 130

Or, 5 P = $ 130 + $ 20

Or, 5 P = $ 150

∴ P = $ \frac{150}{5}

I.e P = $ 30

So The Pedro's saving = P = $ 30

And

M = P - $ 20

∴, M = $ 30 - $ 20

I.e M = $ 10

So,  The Michael's saving = M = $ 10

Similarly

K = 3 × P

∴ k = 3 × $ 30

I.e K = $ 90

So, The Kevin's saving = k = $ 90

Hence The saving of all three person are

The Pedro's saving is $ 30

The Michael's saving is $ 10

The Kevin's saving is $ 90

Answer

5 0
3 years ago
which of the following lines is parallel to the graph of 5x+2y=8? a) 2x+5y=3 b) 5x-2y=6 c) -10x-4y=7 d) -10x+4y=9
zaharov [31]
I hope this helps you

3 0
3 years ago
Y MORE THAN 4 is -36 translate for me please into math symbols then solve problem (list steps)
Sphinxa [80]
y + 4 = -36

Subtract 4 both sides.

y = -40

Check solution. 

-40 + 4 = -36

This is correct.

You're welcome. 
Observe below please. 
4 0
3 years ago
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