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grandymaker [24]
3 years ago
5

A search plane covers 50 square miles of countryside. How many hectares does the plane search?

Mathematics
2 answers:
LUCKY_DIMON [66]3 years ago
7 0
The plane has searched 12,950 hectares. the ratio between hectares to square miles is: 1 hectare is 2.471 acres
ollegr [7]3 years ago
4 0

Answer:

Step-by-step explanation:

This is a unit conversion from [mi^{2} ] to [ha] which is done using the equivalence:

1 mi^{2}= 258.9988110336 ha

and its done like this:

50 mi^{2}*\frac{258.9988110336 ha}{1 mi^{2} } =12949.94055 ha

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A volume of the cone is (1/3) the volume of a cylinder. The volume of the sphere is what fraction of the volume of the cylinder?
xenn [34]

Answer:

4/3

Step-by-step explanation:

To know this, let's write down the formulas for the volume of cylinder and sphere.

Vs = 4/3πr³   (1)

Vc = π r² h    (2)

Now, we do have a little problem here and its the fact that the sphere do not have a height like the cylinder do. But in this case so if you want to have an idea of the fraction of the volume, we will assume that the cylinder has the same height as its radius. Assuming this we have the following:

Vs / Vc = 4πr³ / 3πr²h

Vs/Vc = 4πr³ / 3πr³

From here, we can cancel out the values of π and r³:

Vs/Vc = 4/3

<h2>Vs = 4/3 Vc</h2>

Thus we can conclude that the volume of the sphere is 4/3 the volume of a cylinder.

Hope this helps

8 0
2 years ago
Can someone tell me if I'm right or give me the answer? plzzz. I'm giving 100 points so... just answer quick. 0_0
BabaBlast [244]

Answer:

your right

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
What is the fifth term of the geometric sequence? 5, 15 , 45, ...
Virty [35]

The geometry sequence has the equation a(n)=5(3^{n-1}).

The 5 represents the first number of the sequence and the 3 represents the common ratio.

a(5) = 5(3^{5-1})=5(3^{4})=5(81)=405

answer: 405

6 0
3 years ago
Help- plato ) <br>The second- degree term of the expression x^ + 12 X
KatRina [158]

Answer:

Correct Answer is 1 Only 5 x 2 5x2 is the second-degree term. Hence, the correct option is (1)

note :

hope i helped

3 0
2 years ago
To be called the Order of the Maandor of minors nonzero in a Matrix
MissTica

Answer:

To be called the order of the matador of Minors nonzero in a matrix

C D Range of a matrix

4 0
2 years ago
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