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My name is Ann [436]
2 years ago
15

a collector found a bone near former mayan territory. after careful research it has been determined that the bone lost about 15%

of its carbon-14. How old is the bone?
Mathematics
1 answer:
Olin [163]2 years ago
4 0

Answer:

পার্সেন্টস সহ এই সূত্রটি মিশ্রিত হয় ...

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The perimeter of the polygon above is
Rama09 [41]

Answer:

80 cm

Step-by-step explanation:

5 points in a star, each point has a perimeter of 16,

16 x 5 = 80

or just legit add all the 8's

DONT FORGET TO INCLUDE THE UNITS

4 0
3 years ago
Read 2 more answers
Find the values of a and b such that x2 - 2x + 2 = (x -a) + b LOADS OF POINTS ON THE LINE!!!
Hitman42 [59]

Answer:

Step-by-step explanation:

Factorize using square root method.

x² - 2x + 2 = (x-a)² + b

x² -2x + 1 + 1 = (x-a)²+b

(x² - 2*x*1 + 1²) + 1 = (x -a)²+ b       {Compare with a²- 2ab+b² which is (a - b)²}

(x - 1)² + 1 = (x - a)² + b

a = 1 and b = 1

6 0
2 years ago
What is the sum of the first five terms of a geometric series with a1 = 6 and r = 1/3? Express your answer as an improper fracti
Likurg_2 [28]

Answer:

  242/27

Step-by-step explanation:

Using the formula for the sum, you can fill in the given values and do the arithmetic.

  Sn = a1·(r^n -1)/(r -1)

  S5 = 6·((1/3)^5 -1)/(1/3 -1) = 6(-242/243)/(-2/3) = 6·(121/81)

  S5 = 242/27

_____

Or, you can write the terms and add them up. The sum is ...

  6 + 2 + 2/3 + 2/9 + 2/27 = (162 +54 +18 +6 +2)/27 = 242/27

5 0
3 years ago
A store sells a pack of 50 widgets for $2, a pack of 120 widgets for $6, and a pack of 200 widgets for $9. Which is the best buy
liubo4ka [24]

Answer:

The first 50 widgets for $2

Step-by-step explanation:

50/2=25

120/6=20

200/9=22.22 repeating

5 0
2 years ago
What is U over 72=2 over 4
Mademuasel [1]
U/72 = 2/4

means u/72 = 0.5

therefore u = 72*0.5

which equals 36
8 0
3 years ago
Read 2 more answers
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