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hichkok12 [17]
3 years ago
14

Instructions: Select the correct answer.

Mathematics
2 answers:
mihalych1998 [28]3 years ago
5 0

Answer:

C. 181.3664 square centimeters

Step-by-step explanation:

beks73 [17]3 years ago
4 0
The equation for finding the area of a circle is \pi * r². The approximate area of the disc is 181.3664
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Step-by-step explanation:

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2 years ago
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Radium-226 has a half life of 1622 years. If you start off with a 200
sweet [91]

Answer:

≈23.6 kg left.

Step-by-step explanation:

For determining this, we can simply use an exponential decay equation representing this scenario:

y= a(0.5)^{\frac{t}{h} }

a: the initial amount

t: the amount of time

h: the half life

Now, substitute the numbers into the equation:

y=200(0.5)^{\frac{5000}{1622} }

Now, solve this equation:

y=220(0.5)^{3.08}

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3 0
3 years ago
Solve the problem.
krok68 [10]

Answer:

b

Step-by-step explanation:

7 0
2 years ago
Write an equation in point-slope form for the line that passes through the given point with the slope provided.
Assoli18 [71]
Y-0= x(0-4) I believe
3 0
3 years ago
Can someone help me with this please??
Llana [10]

Answer:

(x-5)*(x+5)

Step-by-step explanation:

= x^2 + 5x - 25 - 5x

= x^2 +5x - 5x -25

because +5x - 5x = 0 so

= x^2 + 0 - 25

= x^2 - 25

25 can be written as 5^2

= x^2 - 5^2

we know that a^2 - b^2 = (a-b) * (a+b)

so x^2 - 5^2

= (x-5) * (x+5)

Hope this help you :3

4 0
3 years ago
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