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WARRIOR [948]
3 years ago
9

Think About the Process Use the algebra tiles to help you solve the equation 3x - 6 = 21. What is

Mathematics
1 answer:
butalik [34]3 years ago
6 0
The answer to the question is B
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A specimen of charcoal found at Stonehenge contains 63% as much Carbon-14 as a sample of present-day charcoal. What is the age o
seraphim [82]
Since we are given with the identity of the chemical as Carbon-14, we obtain the half-life of the chemical from a reliable source and get a value of 5730 years. The equation that we are going to use for this item is,
                              A(t)/A(0) = (0.50)^(n/5730)
where A(t) is the current amount, A(0) is the initial amount and n is the number of years. We know from the given that the ratio of A(t) and A(0) is equal to 0.63. Substituting this to the given,
                                0.63 = 0.50^(n/5730)
                                        n = 3819.48 
Thus, the sample is approximately 3819.5 years old. 
5 0
3 years ago
Select all of the solutions to the system graphed below.​
ra1l [238]

0,-2

4,4

2,0

3,5

Step-by-step explanation:

that was my answer

3 0
3 years ago
The sum of six times a number and thirteen is five less than the product of three and the number
Svetllana [295]

Answer:

1 and 1/3

Step-by-step explanation:

I got this because you can first take 13-5 which is 8 then you can divide 8 by 6 to get your final answer.

Hope this helps.

6 0
3 years ago
Find the equation of a line perpendicular to y - 1= -x that passes through the
Goryan [66]

Answer:

4

Step-by-step explanation:

firstly you separate y

y=-x-1

which means that the slope is equal to -1

then you flip the slope so -1 over -1 which is equal 1

7 0
2 years ago
Please help me it’s really important for me
viva [34]

Answer:

idk, so sorry, Google it

4 0
3 years ago
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