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Maslowich
3 years ago
14

Which equation represents a circle with a center at (2, –8) and a radius of 11?

Mathematics
2 answers:
Andreyy893 years ago
7 0

Answer:

B

Step-by-step explanation:

(x – 2)² + (y + 8)² = 121

Sophie [7]3 years ago
4 0
They are all wrong lol
(x-8)^2+(y+8)^2=121
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PLEASE PLEASE HELP
marta [7]

Answer:

Approximately 3 grams left.

Step-by-step explanation:

We will utilize the standard form of an exponential function, given by:

f(t)=a(r)^t

In the case of half-life, our rate <em>r</em> will be 1/2. This is because 1/2 or 50% will be left after <em>t </em>half-lives.

Our initial amount <em>a </em>is 185 grams.

So, by substitution, we have:

\displaystyle f(t)=185\big(\frac{1}{2}\big)^t

Where <em>f(t)</em> denotes the amount of grams left after <em>t</em> half-lives.

We want to find the amount left after 6 half-lives. Therefore, <em>t </em>= 6. Then using our function, we acquire:

\displaystyle f(6)=185\big(\frac{1}{2}\big)^6

Evaluate:

\displaystyle f(6)=185\big(\frac{1}{64}\big)\approx2.89\approx 3

So, after six half-lives, there will be approximately 3 grams left.

3 0
3 years ago
A triangle has an area of 357 square inches. The height of the triangle is 23.8 inches. What is the length of the base of the tr
Nitella [24]
You lay out the triangle formula for area which would be A=(1/2)(b)(h)
plug in for variables
375=(1/2)(23.8)(b)
solve for b
3 0
3 years ago
What is 0.888 into a fraction, is it over 100ths or 1,000's?
Bingel [31]

Thanks for using Brainly!

0.888 = 111/125 = 88.8percent

I just gave you 0.888 is it's fraction and percentage.

First, 111/125 is the simplified answer and is over the 100th and is not big enough for the 1,000's.

Second, 111/125 as a percentage is 88.8%.

Have a great day.

8 0
3 years ago
Evaluate 25 - 5e + 3/f when e = 4 and f = 3
Vitek1552 [10]
The answer is
4 I hope this helps 

5 0
3 years ago
Can I get some help please?
Lynna [10]
The answer is 15. Just count the spaces between A and D.
3 0
3 years ago
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