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Whitepunk [10]
3 years ago
12

What is the approximate volume of a tree trunk if the trunk is 13 feet tall with a circumference of 4.5 feet?

Mathematics
2 answers:
Klio2033 [76]3 years ago
6 0
((I've used 3.14 as pi))

Diameter = circumference / pi
= 4.5 / 3.14
= 1.43

Radius = diameter / 2
= 1.43 / 2
= 0.72

V = pi * r^2 * h
= 3.14 * 0.72^2 * 13
= 21.17
= B
Murrr4er [49]3 years ago
4 0
I believe it's 9.4 feet, in my result
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Graph the system of equations on your graph paper to answer the question.
scZoUnD [109]
<span>y=x-4
y=-x+6 
---------------------
Substitute x - 4 for y in </span>y=-x+6 
x-4=-x+6<span>
--------------------------------
Add X on each side
</span><span>x-4+x</span>=-<span>x+6+x
</span>2x - 4 = 6
--------------------------------------
Add 4 on each side
<span>2x-4+4</span>=<span>6+4
</span>2x = 10
------------------------------------------------
Divide by 2 on each side
2x ÷ 2 = 10 ÷ 2
x = 5
Now we have X
================================================================
To find Y we substitute 5 for x in y=<span>x-<span>4
</span></span>y = 5 - 4
y = 1
-----------------------------------------------------
Your answers are Y = 1 and X = 5

8 0
3 years ago
Madelyn has x nickels and y dimes, having a maximum of 15 coins worth no
aliina [53]

9514 1404 393

Answer:

 2 nickels, 9 dimes

Step-by-step explanation:

When there are a number of overlapping shaded areas on the graph, I find it convenient to use the reverse of the inequalities. That makes the <em>unshaded</em> area the solution space. Here, the vertices of the triangular solution space are ...

  (2, 9), (2, 13), (6, 9)

Any of the grid points within (or on) this triangle is a possible solution. One of them is (2, 9) corresponding to 2 nickels and 9 dimes.

__

Three solutions are shown:

  (x, y) = (2, 9), (3, 10), (4, 11)

4 0
2 years ago
What’s nine plus ten?
qaws [65]

Answer: 19

*The joke is 21 lol!*

3 0
2 years ago
Read 2 more answers
If two sides of a triangle measures 123 inches and 150 inches which of the following can not be the length of the third side of
Lemur [1.5K]
Any numbers except 7
8 0
3 years ago
What is the tangent ratio of angle y?
larisa [96]
The answer should be b
6 0
3 years ago
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