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NNADVOKAT [17]
3 years ago
12

a committee is to consist of two members. if there are seven people available to serve on the committee, how many different comm

ittees can be formed?
Mathematics
2 answers:
Doss [256]3 years ago
8 0

Answer:

66

Step-by-step explanation:

Use the combination formula.

mixer [17]3 years ago
3 0

In the decades since, these ideas have been somewhat lost as the art market has learned to sell limited edition DVDs of video works,[105] invitations to exclusive performance art pieces, and the objects left over from conceptual pieces. Many of these performances create works that are only understood by the elite who have been educated as to why an idea or video or piece of apparent garbage may be considered art. The marker of status becomes understanding the work instead of necessarily owning it, and the artwork remains an upper-class activity. "With the widespread use of DVD recording technology in the early 2000s, artists, and the gallery system that derives its profits from the sale of artworks, gained an important means of controlling the sale of video and computer artworks in limited editions to collectors."

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The graph of an exponential function passes through (2,−32) and (3,−64). Find the exponential function that describes the graph.
Greeley [361]

Answer: y=(-8)2^x

Step-by-step explanation:

The exponential function will have this form:

y=ab^x

We know that the function passes through the points (2,-32) and (3,-64). Then, we can substitute the coordinates of the point (2,-32)  into y=ab^x and solve for "a":

-32=ab^2\\\\a=\frac{-32}{b^2}

Then, we know that:

y=(\frac{-32}{b^2})b^x

Now, we neeed to substitute the coordinates of the second point (3,-64) into y=(\frac{-32}{b^2})b^x and solve for "b":

-64=(\frac{-32}{b^2})b^3\\\\-64=-32b\\\\\frac{-64}{-32}=b\\\\b=2

Substituting the value of "b" into a=\frac{-32}{b^2} we can find "a":

a\frac{-32}{2^2}\\\\a=-8

Therefore, we get that the exponential function that describes the graph, is:

y=(-8)2^x

7 0
3 years ago
The base of a ladder is placed 6 ft from the bottom of the house. The ladder touches the
sammy [17]

Answer:

10 ft

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
−9x+4y=6 9x+5y=−33 ​
blsea [12.9K]

Answer:

{x,y} = {-2,-3}

Step-by-step explanation:

System of Linear Equations entered :

  [1]    -9x + 4y = 6

  [2]    9x + 5y = -33

Graphic Representation of the Equations :

   4y - 9x = 6        5y + 9x = -33  

Solve by Substitution :

// Solve equation [2] for the variable  y  

 

 [2]    5y = -9x - 33

 [2]    y = -9x/5 - 33/5

// Plug this in for variable  y  in equation [1]

  [1]    -9x + 4•(-9x/5-33/5) = 6

  [1]    -81x/5 = 162/5

  [1]    -81x = 162

// Solve equation [1] for the variable  x  

  [1]    81x = - 162  

  [1]    x = - 2  

// By now we know this much :

   x = -2

   y = -9x/5-33/5

// Use the  x  value to solve for  y  

   y = -(9/5)(-2)-33/5 = -3

3 0
3 years ago
GARY DREW A RECTANGLE WITH A PERIMETER OF 20 INCHES. WHAT COULD BE THE LENGTH,WIDTH,AND AREA FOR THE RECTANGLE THAT GARY DREW?
Ilia_Sergeevich [38]
Assume L=1.5W, where W=width, L= Length of the triangle.

Therefore,

Perimeter (P) = 2(W+L) = 2(W+1.5W) = 2(2.5W) = 5W=20 => W=20/5 = 4 in

Then, L=1.5W = 1.5*4 = 6 in

Area, A= L*W = 6*4 = 24 in^2
8 0
3 years ago
What's three equivalent ratios to 12/14
andreyandreev [35.5K]
An equavalent ratio of 12\24 is 3\4
7 0
3 years ago
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