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IrinaVladis [17]
2 years ago
7

How can you tell whether an exponential equation models growth or decay? Use the general form of an exponential expression to ex

plain your answer.
Mathematics
1 answer:
nikdorinn [45]2 years ago
4 0

Answer:

Step-by-step explanation:

The general form of an exponential equation for growth is

y= ( 1 + r ) ^x

and for decay is

y= ( 1 - r ) ^x

In general, if the number inside the parenthesis (the growth or decay rate) is greater than 1, it's a growth problem.  If the number inside the parenthesis is greater than 0 but less than 1 (in other words a positive fraction), it's a decay problem.

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If the temperature at which a certain compound melts is a random variable with mean value 120 ???? ???? and standard deviation 2
bogdanovich [222]
Answer:
Temperature is measured in units of temperature.
In SI units,  it is K (degrees Kelvin).
In CGS units, it is °C (degrees Celsius)
In English units, it is °F (degrees Fahrenheit)

Therefore the mean and standard deviation will be measured in the selected units for temperature.
6 0
3 years ago
What is the value of StartFraction 6 Over x EndFraction + 2x2, when x = 3?
vivado [14]

Answer:

hello there,

the answer for this equation is:

The value of Start Fraction 6 Over x End Fraction + 2x2, when x = 3 is 20.

Step-by-step explanation:

:\frac{6}{x} + 2x^{2} \\ \\\\ \frac{6}{3} + 2(3)^{2}\\\\\\2+2*9 =\\\\\\\\2+18=20

5 0
2 years ago
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Hey I'm in 6th too, Simplify means to solve the prob
8 0
3 years ago
A sphere has a diameter of 14 units. What is the volume of the sphere in cubic units? If a cylinder has the same radius as the s
lesya692 [45]

Answer:

B

Step-by-step explanation:

r = 14/2 = 7units

Volume of sphere=\frac{4}{3}*\pi*r^{3}\\\\=\frac{4}{3}*3.14*7*7*7\\\\=1436.03cubic units\\\\Volume of cylinder=\pi*r^{2}*h\\\\=3.14*7*7*14\\\\=2154.04 cubic units

7 0
3 years ago
What is the gradient of the blue line Attachment below!!!!!!!!!!!
mr_godi [17]

Answer:

-3 Or 3 it could be any one of them

Step-by-step explanation:

-3 or 3

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