Ask question

Ask question

All categories

4 years ago

10

The half-life of carbon-14 is 5600 years. If a piece of charcoal made from the wood of a tree shows only 66% of the carbon-1

4 expected in living matter, when did the tree die?

1 answer:

Likurg_2 [28]4 years ago

5 0

The tree died 3696 years ago because 66x5600=369600/10=3696.

You might be interested in

Simplify -15.6 / -6.

Marizza181 [45]

the answer to the question is 2.6

4 0

3 years ago

Read 2 more answers

On a piece of paper, graph y+2>-3x-3.

oksian1 [2.3K]

Answer:

just go on desmos graphing calculator and type it in

Step-by-step explanation:

4 0

3 years ago

Find all solutions in the interval [0, 2π) sin2x + sin x = 0

Molodets [167]

Sin 2 x + sin x = 0
( sin 2 x = 2 sin x cos x )
2 sin x cos x + sin x = 0
sin x ( 2 cos x + 1 ) = 0
sin x = 0
x 1 = 0
x 2 = π
or: 2 cos x + 1 = 0
2 cos x = - 1
cos x = -1/2
x 3 = 2π/3
x 4 = 4π/3

3 0

3 years ago

A portrait without its frame has a height 2.5 times its width w, in inches. Its frame is 2 inches wide all along the perimeter.

mart [117]

Answer:

50

Step-by-step explanation:

5 0

3 years ago

What is 25% off $1099.00

Alecsey [184]

25/100 x 1099=$274.75
Hope I helped.

4 0

3 years ago