2 years ago

The yearly cost of a life-saving cancer

Mathematics

1 answer:

zalisa [80]2 years ago

6 0

Answer: x= 3500+ x^2

Step-by-step explanation:

x^2 is the formula for an exponential number. Add 3500 because that’s what you started with and then just add x^2

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addison and kelsey are running on a path modeled by x^2+y^2-10x-18y-378=0, where the distance is in meters. what is the maximum

bulgar [2K]

The maximum distance is the diameter of the circle, which is of 44 units.

The equation of a circle of radius r and center $(x_0,y_0)$ is given by:

$(x - x_0)^2 + (y - y_0)^2 = r^2$

The diameter is twice the radius, and is the maximum distance between two points inside a circle.

In this problem, the circular path is modeled by:

$x^2 + y^2 - 10x - 18y - 378 = 0$

We complete the squares to place it in the standard format, thus:

$x^2 - 10x + y^2 - 18y = 378$

$(x - 5)^2 + (y - 9)^2 = 378 + 25 + 81$

$(x - 5)^2 + (y - 9)^2 = 484$

Thus, the radius is:

$r^2 = 484 \rightarrow r = \sqrt{484} = 22$

Then, the diameter is:

$d = 2r = 2(22) = 44$

The maximum distance is the diameter of the circle, which is of 44 units.

A similar problem is given at brainly.com/question/24992361

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2 years ago

What is the answer when you evaluate n + m -2(m-m) when m = 3 and n = 2?

Effectus [21]

Answer:

Step-by-step explanation:

n + m -2(m-m)

Combine like terms

n+m+2(0)

n+m

Let m=3 and n=2

2+3

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How can the community property be used to write multiplication sentences?

Julli [10]

allows you to do repeated addition quickly and efficiently

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Hello! I have a question =) What is: (7/4x) - 5 + 2y - 3.5 + (-1/4x) + 5? Thank you!

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Step-by-step explanation:

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