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Irina-Kira [14]
3 years ago
5

Can someone please answer this?

Mathematics
1 answer:
galina1969 [7]3 years ago
5 0
Since we know the side length of the square (6), we can calculate its diagonal using pythagoras.

diag d = √(6²+6²) = 6√2 in

The diagonal is also the diameter of the circle! So the radius of the circle is half of that:

radius r = d/2 = 3√2 in

The area of the circle is πr² = π(3√2)² = 18π in²
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Which function is the inverse of 6) = 2x+39<br> ASAP
sergij07 [2.7K]

Answer:

The inverse is 1/2x - 3/2

Step-by-step explanation:

y = 2x+3

To find the inverse, exchange x and y

x = 2y+3

Solve for y

x-3 =2y+3-3

x-3 = 2y

Divide by 2

1/2x - 3/2 = 2y/2

1/2x - 3/2 = y

The inverse is 1/2x - 3/2

7 0
3 years ago
Help with some algebra please?
kipiarov [429]
Vertex form is   f(x) = a(x - b)^2 + c    where the vertex is (b, c) and a is some constant.

So for the first part we have  f(x) = a(x + 6)^2 - 1

for root -9:-  a( -9+6)^2 - 1 = 0
9a - 1 = 0 , a = 1/9

The other 3 are derived in the same way.
so required equation is f(x) = (1/9)(x + 6)^2 - 1




7 0
3 years ago
Please answer it now in two minutes
Orlov [11]

Answer:

c = 6√2

Step-by-step explanation:

The following data were obtained from the question:

Angle θ = 30°

Opposite = 3√2

Hypothenus = c

The value of 'c' can be obtained by using the sine ratio as shown below:

Sine θ = Opposite /Hypothenus

Sine 30° = 3√2/c

Cross multiply

c × sine 30° = 3√2

Divide both side by sine 30°

c = 3√2 / sine 30°

But: sine 30° = 1/2

c = 3√2 / sine 30°

c = 3√2 ÷ 1/2

c = 3√2 × 2

c = 6√2 yard

Therefore, the value of 'c' is 6√2 yard.

8 0
3 years ago
For which of the following graphs would NOT make sense to connect the points?
jeka94

Answer:

i believe d. I could be wrong

Step-by-step explanation:

5 0
3 years ago
Factor the expression.<br><br> 15n−18<br><br> Enter your answers in the boxes.<br><br> ( )
Irina18 [472]
Theyre both divisible by 3
15n-18= 3(5n - 6)
5 0
3 years ago
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