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Art [367]
3 years ago
12

7 meters/20 minutes= x cm/2 hours

Mathematics
1 answer:
meriva3 years ago
4 0

Answer:4,200

Step-by-step explanation:

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Does each equation represent exponential decay or exponential growth?
agasfer [191]

An exponential equation is represented as: \mathbf{y = ab^x}, where b represents rate

  • Exponential growth: \mathbf{y = 5(7)^x},  \mathbf{y = 3(4.2)^x} and \mathbf{y = 0.6(1.3)^x}
  • Exponential decay: \mathbf{k = 4.2(0.28)^x}
  • Neither: \mathbf{h(x) - 3x + 1.3}

An exponential equation is said to represent growth, if the rate is greater than 1, while it represents decay if the rate is less than 1.

This means that:

\mathbf{y = 5(7)^x},  \mathbf{y = 3(4.2)^x} and \mathbf{y = 0.6(1.3)^x} represent exponential growth because 5, 4.2 and 1.3 are greater than 1

Also,

\mathbf{k = 4.2(0.28)^x} represents exponential decay because 0.28 is less than 1

While

\mathbf{h(x) - 3x + 1.3} is not an exponential function

Read more about exponential functions at:

brainly.com/question/11487261

5 0
2 years ago
The radius of a circle is 8 cm<br> Calculate the circumference of the circle <br> [Use pi r = 3.1]
denis-greek [22]

Answer:

49.6cm

Step-by-step explanation: First you have to find the diameter of the circle by multiplying the radius by 2.

8x2=16

Then multiply 16 by 3.1

16x3.1=49.6


8 0
4 years ago
Help please!!!!!!!!!!!!!!!!!
krok68 [10]
C. 0.25 because you divide 0.06 by 0.24
5 0
3 years ago
a man casts a 3 feet long shadow. if the suns rays strike the ground 62°, what is the height of the man?
Romashka [77]

Answer:

h = 3*tan(62) where h is the height

Step-by-step explanation:

You basically have a right triangle.  the standing man is the vertical line, the shadow is the horizontal line and the 62 degrees is the angle betweenthe horizontal line and the hypotenuse.

So, relative to the angle we have the adjacent angle and opposite.  What uses those?  Tangent.  tan(x) = opp / adj

tan(62) = h/3

h = 3*tan(62) where h is the height

7 0
3 years ago
Find the surface area of the prism.
Fed [463]
What do you mean I need to see the prism ??
5 0
3 years ago
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