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nydimaria [60]
3 years ago
6

27. Theodore had 24 baseball cards. He sells 1/4 of his cards

Mathematics
1 answer:
andriy [413]3 years ago
3 0
24-24*1/4-13=5 I think the answer is 5.
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Calculat the length of the circumference of a circle with diameter of 8cm.
mr_godi [17]
Hello there!

The formula for finding the circumference of a circle is 2\pir (or 2*3*r in your terms). Although we don't have the radius yet, we can certainly find it pretty easily. Keep in mind that the radius will always be half the diameter. So, let's find the radius.

8 / 2 = 4; now we have everything we need to solve for the circumference.

2*3*4 is our expression. Now let's simplify it.
2 * 3 = 6
6 * 4  = 24

Your circumference is 24cm.

I hope this helps!
7 0
3 years ago
Which term describes this diagram?
Charra [1.4K]
This diagram represents a: C: Food Chain. it explains what gets eaten by whom to survive. Hope it helps!!
4 0
3 years ago
A flu has hit a city and the percentage of a population with the flu, t days after the disease arrives is approximated by f(t)=1
nika2105 [10]
1) To calculate maximum of f(t) function we first need to find derivative of it:
f(t)' = 10(e^(-t/8) + t*e^(-t/8)*(-1/8)) = 10(e^(-t/8) -t/8*e^(-t/8)) = 10e^(-t/8)(1-t/8)

the condition is:
f(t)' = 0 that means:
0 = 10e^(-t/8)(1-t/8) 
10t/8*e*(-t/8) = 10*e^(-t/8)
t/8 = 1
t = 8

The answer is 8 days.

2) that percent we will get simply by expressing t=8 in our equation.
f(8) = 10*8*e^(-1) = 80/e = 29.43%
4 0
3 years ago
Help!!!!!!!!!!!!!!!!!!!!!!!!!
Yanka [14]
Coordinate of red point = (8, -5)

In short, Your Answer would be Option D

Hope this helps!
4 0
3 years ago
Read 2 more answers
Equation<br><br> Please do it step by step!
Artemon [7]

combine like terms

exponent

12y^2 = 12

144y = 12

(I think that's it, I hope it helps)

7 0
3 years ago
Read 2 more answers
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