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dybincka [34]
3 years ago
9

Round 2 to nearest digit 13,426

Mathematics
1 answer:
zhannawk [14.2K]3 years ago
8 0
That would be 13,430
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What is the perimeter of the figure?
Allisa [31]

Answer:

Answer is D, all you do is add the numbers

7 0
3 years ago
What is the area of a triangle with vertices (1,0) (5,0) (3,4)
Aleksandr-060686 [28]

Answer:

The area of the triangle is of 8 units of area.

Step-by-step explanation:

Answer:

The area of the triangle is of 21 units of area.

Step-by-step explanation:

The area of a triangle with three vertices (x_1,y_1),(x_2,y_2),(x_3,y_3) is given by the determinant of the following matrix:

A = \pm 0.5 \left|\begin{array}{ccc}x_1&y_1&1\\x_2&y_2&1\\1_3&y_3&1\end{array}\right|

In this question:

Vertices (1,0) (5,0) (3,4). So

A = \pm 0.5 \left|\begin{array}{ccc}1&0&1\\5&0&1\\3&4&1\end{array}\right|

A = \pm 0.5(1*0*1+0*1*3+1*5*4-1*0*3-0*5*1-1*1*4)

A = \pm 0.5*(20-4)

A = \pm 0.5*16 = 8

The area of the triangle is of 8 units of area.

3 0
3 years ago
Number 11 I need help with pretty hard help help help
iren [92.7K]
Ok!
1st box : 6 and 3/8
2nd box : x
3rd box : 8
7 0
3 years ago
Read 2 more answers
Is my answer correct?
ziro4ka [17]
Here is the answer to the given problem above. 
Here is the exponential function to model this situation:
<span>f(x) = 420(0.79)x
Now, solve with the given values.
</span><span>P(t)=420×(.79<span>)^t</span></span> <span><span>P(5)=420×(.79<span>)^5</span>=129
So the answer would be 129 animals.
Hope this answer helps. Thanks for posting your question!</span></span>
6 0
3 years ago
Read 2 more answers
I need help with geometry
Sveta_85 [38]

390

Step-by-step explanation:

v=(4/3)pi x r cubed. r= 1/2 diameter.

33.5x(4/3) pi cubed =radius. = 779.03270%2=389.51 about 390.

sorry if I'm wrong did it in my head.

4 0
3 years ago
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