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Yakvenalex [24]
3 years ago
7

How many times as much does each item cost in 2010 as in 1960 is the movie tix it tickets in 1960 costed $.75 in in 2010 cost 9.

75
Mathematics
2 answers:
Harrizon [31]3 years ago
8 0
13 times i think
You just divide 9.75 by .75 and you get 13
gizmo_the_mogwai [7]3 years ago
3 0

Answer:

13 times.

Step-by-step explanation:

It is given that,

Cost of movie tickets in 1960 = $0.75

Cost of movie tickets in 2010 = $9.75

We need to find how many times as much does each item cost in 2010 as in 1960.

Let x times as much does each item cost in 2010 as in 1960.

0.75\times x=9.75

x=\dfrac{9.75}{0.75}

x=13

Therefore, cost of each item in 2010 is 13 times as in 1960.

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Please answer the 2 question <br> l will mark as brainiest
N76 [4]

Answer:

1. A=πr2=π·4.62≈66.4761

A≈66.48

2. A=πr2=π·22≈12.56637

A≈12.57

please mark as brainiest

3 0
3 years ago
Read 2 more answers
The rate of transmission in a telegraph cable is observed to be proportional to x2ln(1/x) where x is the ratio of the radius of
sergij07 [2.7K]

Answer:

The value of x that gives the maximum transmission is 1/√e ≅0.607

Step-by-step explanation:

Lets call f the rate function f. Note that f(x) = k * x^2ln(1/x), where k is a positive constant (this is because f is proportional to the other expression). In order to compute the maximum of f in (0,1), we derivate f, using the product rule.

f'(x) = k*((x^2)'*ln(1/x) + x^2*(ln(1/x)')) = k*(2x\,ln(1/x)+x^2*(\frac{1}{1/x}*(-\frac{1}{x^2})))\\= k * (2x \, ln(1/x)-x)

We need to equalize f' to 0

  • k*(2x ln(1/x) - x) = 0 -------- We send k dividing to the other side
  • 2x ln(1/x) - x = 0 -------- Now we take the x and move it to the other side
  • 2x ln(1/x) = x -- Now, we send 2x dividing (note that x>0, so we can divide)
  • ln(1/x) = x/2x = 1/2 -------  we send the natural logarithm as exp
  • 1/x = e^(1/2)
  • x = 1/e^(1/2) = 1/√e ≅ 0.607

Thus, the value of x that gives the maximum transmission is 1/√e.

7 0
3 years ago
5. A pyramid with a triangular base has a volume of 80 cubic meters and a base
ddd [48]

The height of the triangular pyramid will be equal to H=12 feet.

<h3>What is a triangular pyramid?</h3>

A triangular pyramid is a pyramid having triangular faces the other sides of the pyramid are simliar triangles.

It is given that:-

The Volume of the pyramid=80 cubic meters

The Base area of the pyramid=20 square meters

The height of the pyramid=?

We know that the volume of a pyramid is given as:-

V=(1÷3)x Base area x height

V=(1÷3)x20 x H

H=(80x30)÷20

H=12 feet

Hence the height of the triangular pyramid will be equal to H=12 feet.

To know more about pyramid foliow

brainly.com/question/218706

#SPJ1

4 0
2 years ago
Can a chord also be classified as a radius? Explain your answer.
aalyn [17]
No
A chord is a straight sediment that joins two points of the circumference. The radius goes from the center of the circle, which is not on the radius.
6 0
3 years ago
According to famous tv critic bube tube why is television called a communications "medium"
Jlenok [28]
If you look up the definition of a medium, it is a tool.  In the case of television, it is a tool for spreading information. Much like the internet.
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3 years ago
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