A farmer in china discovers a mammal hide that contains 25% of its original amount of c-14

Answers

Answer 1

Answer:

Plato answer is 13863

Answer 2

Answer: You have left a LOT out of your question. However I'll attempt to post an answer.

The half-life of carbon 14 is 5,700 years.

If there is 25% of the original carbon 14 remaining that means the time it has undergone has been 2 half lives.

2 half-lives of carbon14 = 2 * 5,700 = 11,400 years.

Related Questions

A stadium has 55,000 seats. Seats sell for $28 in Section A, $16 in Section B, and $12 in Section C. The number of seats in Section A equals the total number of seats in Sections B and C. Suppose the stadium takes in $1,158,000 from each sold-out event. How many seats does each section hold?
How do you write 36% as a fraction or whole number in simplest form?
How do i add fractions and simplify the answer
Can you please show me how to do: 6 square root 3 Times Square root 3 over 3. It would be really great if you could show me all the steps on how to do it.
P-4x - 3y= -26-5x+2y= -21Find the solution to the system of equations shown above by graphing.A. X= 5, y= 2B. X= 5, y=3C. X= 2, y = 5D. x= 6, y= 2PLEASE EXPLAIN!!!

Which equation represents the graphed function?

Answers

Y- -2x+3. For sure. Ok

Answer:

y=-2x+3

Step-by-step explanation:

for one, you can see that the y-intercept is at 3, so for y=m*x+b, b is 3

next, you can count to get the slope. it moves 2 units down and one unit to the left, so for slope, which is rise over run, you are -2/1= -2

so y = -2x + 3

How would i solve 4x-3y=8
5x-2y=-11

using the elimination method?
i'm in algebra 1 and we had a sub the day we were doing this and he was terrible explaining the situations on the worksheet. please explain

Answers

To use the elimination method, the coefficient of one variable in one equation must be the opposite number of the coefficient of the same variable in the second equation.

$4x-3y=8 \n5x-2y=-11$

Here you can multiply the first equation by 2, and the second equation by -3.

$4x-3y=8 \ \ |\cdot 2 \n5x-2y=-11 \ \ |\cdot (-3) \n \n8x-6y=16 \n-15x+6y=33$

Now you just add the equations by sides and solve for one variable.

$8x-6y=16 \n \underline{-15x+6y=33 } \n8x-6y-15x+6y=16+33 \n8x-15x=16+33 \n-7x=49 \nx=-7$

Now you solve for the other variable by substituting -7 for x in one of the equations.

$4x-3y=8 \n4 \cdot (-7)-3y=8 \n-28-3y=8 \n-3y=8+28 \n-3y=36 \ny=-12$

You could choose x at the beginning as well. Then you'd have:
$4x-3y=8 \ \ |\cdot (-5)\n5x-2y=-11 \ \ |\cdot 4 \n \n-20x+15y=-40 \n\underline{20x-8y=-44 \ \ \ \ \ \ } \n-20x+15y+20x-8y=-40-44 \n15y-8y=-40-44 \n7y=-84 \ny=-12 \n \n4x-3y=8 \n4x-3 \cdot (-12)=8 \n4x+36=8 \n4x=8-36 \n4x=-28 \nx=-7$

So the answer is:
$x=-7 \n y=-12$

Answer:

x=-7 and y=-12

Step-by-step explanation:

In a housing project there are 350 households in which English is spoken, 50 in which Spanish is spoken, and 100 in which the language is other than English or Spanish. If a psychologist approaches a house at random to conduct an interview, the chance that the language in that household will NOT be English?a- .002b- .14c- .3d- .43

Answers

Answer: C. 0.3

Step-by-step explanation:

Given : Number of English speaking households =350

Number of Spanish speaking households =50 (1)

Number of households in which the language is other than English or Spanish=100 (2)

Total households participates in this survey =350+50+100=500

No. of households not speak English =100+50=150 (Add (1) and (2))

If a psychologist approaches a house at random to conduct an interview, the chance that the language in that household will NOT be English will be :_

$\frac{\text{No. of households not speak English}}{\text{Total households}}\n\n=(150)/(500)\n\n=(3)/(10)=0.3$