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stealth61 [152]
3 years ago
5

I NEED ANSWERS AND HOW DO I HSOW MY WORK FOR THIS HELP

Mathematics
1 answer:
lorasvet [3.4K]3 years ago
8 0
The shaded area is 299.59un^2.

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The radioactive element carbon-14 has half of 5750 years. A scientist determined that the bones from a mastodon has lost 56.6% o
IRISSAK [1]

Answer:7881 years

Step-by-step explanation:

You can use the equation

fraction remaining = 0.5n where n is # of half lives elapsed

n = ?

fraction remaining = 1 - 0.612 = 0.388

0.388 = 0.5n

n = 1.37 = the # of half lives

1.37 x 5750 yrs = 7881 years

8 0
3 years ago
Don't know how to express the value of X as any of those answer choices
Alekssandra [29.7K]

9514 1404 393

Answer:

  x = √(w(w+z))

Step-by-step explanation:

The idea with a right-triangle figure of this sort is that all of the triangles are similar. Here, x is the short side of ∆ABC, and the hypotenuse of ∆BDC. This suggests you want to write a similarity statement involving the short side and hypotenuse.

  BC/AC = DC/BC . . . . . short side/hypotenuse

  BC² = AC·DC . . . . . . cross multiply

  x² = (w+z)w . . . . . . substitute letter values

Taking the square root and rearranging to the form of the applicable answer choice, this is ...

  \boxed{x=\sqrt{w(w+z)}}

3 0
3 years ago
Which of the following word problems models the expression? Select all that apply. Grace divided cups of popcorn into bags each
Soloha48 [4]

Answer:

9x^2+2+=0

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
For friends went to a restaurant in bought Two large pizzas and if each pay 5.25 how much was each pizza
guajiro [1.7K]

Answer:

$10.5

Step-by-step explanation:

4(5.25) = $21 (total amount of money spent)

we want to divide that by 2 because we want to find the cost of one pizza

21/2 = $10.5

8 0
3 years ago
Determine if f(x)= x + 12/ x is even, odd, or neither
Reptile [31]
F(-x)=-x+(12/-x)=-x-12/x
odd function
3 0
3 years ago
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