3 years ago

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Mathematics

1 answer:

Sever21 [200]3 years ago

3 0

Yes. I totally agree with that statement. 10/10

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In the following figure, the square ABCD is inscribed in the circle centered at point P. What is the area of the circle?

Ainat [17]

Answer:

$A_{Circle} \approx 39.24\: units^2$

Step-by-step explanation:

Square ABCD is inscribed in a circle with center P such that BC = 5 units.

BD will be diagonal of the square as well as diameter of the circle.

$BD = BC\times\sqrt 2$

$\implies BD = 5\sqrt 2$

-> Diameter of the circle $(d) = 5\sqrt 2$

-> Radius of the circle $(r) = 2.5\sqrt 2=3.535\: units$

$A_{Circle} =\pi(r)^2$

$\implies A_{Circle} =3.14(3.535)^2$

$\implies A_{Circle} =39.2381465$

$\implies A_{Circle} \approx 39.24\: units^2$

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2 years ago

If x = 3 and y = -1, then 3x2 + 2xy - 5 = ? A: 18 B: 24 C: 12 D: 16

iris [78.8K]

$x = 3 , \ y = -1 \\ \\ 3x^2 + 2xy - 5 = 3\cdot 3^2 + 2\cdot 3\cdot (-1)-5=\\ \\=3\cdot 9 -6-5=27-11=16 \\ \\ Answer : \ D: \ \ 16$

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3 years ago

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Rohit wants to find the best model for a bivariate data set. He used a calculator to create a linear model, a quadratic model, a

san4es73 [151]

The answer is quadratic, I took the test.

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3 years ago

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If you roll a 6-sided die what is the probability of rolling a one?

Ainat [17]

Answer:

the probablity of rolling a one is 1/6

Step-by-step explanation:

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2 years ago

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Solve for x. Enter the solutions from least to greatest. . (x - 10)2 - 1 = 0

lawyer [7]

2x -20 -1 =0
2x -21=0
2x=21
x= 10.5

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2 years ago