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serious [3.7K]
3 years ago
13

Select all that apply

Mathematics
1 answer:
Vikki [24]3 years ago
8 0

A and D because (-12,0) and (-10,1) is inside the shaded area.

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A wooden artifact from an ancient tomb contains 70% of the carbon-14 that is present in living trees. How long ago was the artif
noname [10]
So the question ask to determine how long that the wooden artifact found in an ancient tombs and contains 70% of the carbon-14 was made, and base on the fact and the given data about the said artifact, the possible answer would be that the the artifact is 2948 years old. I hope you are satisfied with my answer 
3 0
3 years ago
The circumference of a circle is 65?. In terms of pi, what is the area of the circle?
iVinArrow [24]

Answer:

1056.25π square units

Step-by-step explanation:

A few formulas an definitions which will help us:

(1) \pi=\frac{c}{d}, where c is the circumference of a circle and d is its diameter

(2) A=\pi r^2, where A is the area of a circle with radius r. To put it in terms of d, remember that a circle's diameter is simply twice its radius, or mathematically, (3) d=2r \rightarrow r=\frac{d}{2}.

We can rearrange equation (1) to put d in terms of π and c, giving us (4) d = \frac{c}{\pi}, and we can make a few substitutions in (2) using (3) and (4) to get use the area in terms of the circumference and π:

A=\pi r^2\\=\pi\left(\frac{d}{2}\right)^2\\=\pi\left(\frac{d^2}{4}\right)\\=\pi\left(\frac{(c/\pi)^2}{4}\right)\\=\pi\left(\frac{c^2/\pi^2}{4}\right)\\=\pi\left(\frac{c^2}{4\pi^2}\right)\\\\=\frac{\pi c^2}{4\pi^2}\\ =\frac{c^2}{4\pi}

We can now substitute c for our circumference, 65, to get our answer in terms of π:

A=\dfrac{65^2}{4\pi}=\dfrac{4225}{4\pi}=1056.25\pi

8 0
3 years ago
Read 2 more answers
What is the expanded form of 709.104
andreev551 [17]
700 + 9 + .1 + .04

Hope this helps that the answer
5 0
3 years ago
It is question 13 if you are wondering
NISA [10]
Here is how you solve this:

1- convert 2 1/2 to 4 3/4. 2 1/2 = 2 2/4 + 4 3/4= 6 5/4, 5/4 = 1 1/4= 6+1+ 1/4= 7 1/4.

2-15 1/3 - 7 1/4 = 8 1/12, 8 1/12 / 2= 4 1/4 and 3 5/6 is the answer.

On the 3rd and 4th day 4 1/4 in & 3 5/6in snow fell.
6 0
3 years ago
WILL GIVE BRAINLIEST!!! Write each of the following expressions without using absolute value.
salantis [7]

Answer:

If z<7, then z-7 is negative, and |z-7| is positive.  So, with the understanding that z-7 is positive, the first part of this expression becomes:

7-z for z<7

Similarly:  if z<7, then z-9 is negative and |z-9| is positive.  Thus, -|z-9| is equivalent to (9-z).

|z−7|−|z−9|, if z<7 becomes (7-z) - (9-z) for z<7.  Simplifying this, we get:

7 - z - 9 + z = -2

5 0
2 years ago
Read 2 more answers
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