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kodGreya [7K]
3 years ago
14

Find the missing side of the triangle.

Mathematics
1 answer:
tia_tia [17]3 years ago
7 0

Answer:

Approximately 8.1 km

Step-by-step explanation:

Pythagoream Theorem:

{7}^{2}  +  {4}^{2}  =  {x}^{2}  \\ 49 + 16 =  {x}^{2}  \\ 65 =  {x}^{2}  \\  \sqrt{65}  = x \\ 8.1 = x

Hope this helps!!

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tamaranim1 [39]

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E s. Ss s

Step-by-step explanation:

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8 0
3 years ago
Suppose you want to learn more about the heights of the buildings in New York City. How would you choose a sample of the buildin
natulia [17]

Answer:

I'd use a Non-probability Sampling Method.

Explanation:

The question is already laced with criteria - Heights of Buildings in New York.

This means that there are certain buildings that won't fit in the sample. In a non-probability sample, objects or subjects are elected based on specified criteria that are not random. This means that not all objects/subject have a c<em>hance</em> of being included in the sample.

It is assumed that the question/assignment centers around high rise buildings.

Therefore, one storey buildings and bungalows that are within and outside New York will not be included in the sample.

Under the Non-Probability Sampling Method, it is essential to note that there are other subgroupings of sampling techniques. They are:

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Cheers!

3 0
3 years ago
Read 2 more answers
the volume of a cube is increasing at a constant rate of 824 cubic centimeters per minute. At the instant when the volume of the
Maurinko [17]

Answer:

DA/dt  = 75.27 cm²

Step-by-step explanation:

Cube Volume    =   V(c)   =  683  cm³

DV(c) /dt    =  824 cm³

V(c,x) = x³    

Then

DV(c,x)/ dt   =  3x² Dx/dt

( DV(c,x)/ dt )/ 3x²  =  Dx/dt       (1)

Now  as  V(c,x) = x³    when    V(c,x)  =  683 cm³     x = ∛683

x  =  8.806     ( from excel)

And by subtitution of this value in equation (1)

Dx/dt   =  ( DV(c,x)/ dt )/ 3x²   ⇒  Dx/dt  =  824 / 3*x²

  Dx/dt   = 824 /3*77.55

Dx/dt   =  824/232,64

Dx/dt   = 3,542

Then we got  Dx/dt  where x is cube edge. The area of the face is x² then

the rate of change of the suface area is  

DA/dt  = ( Dx/dt )²*6         ( 6 faces of a cube)

DA/dt  = (3.542)²*6

DA/dt  = 75.27 cm²

6 0
3 years ago
Could an average person lift the weight of​ $100 in​ dimes?
kolezko [41]
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6 0
3 years ago
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Suppose Karen $1000 that she invests in an account that pays 3% interest compounded annually. How much money does Karen have at
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