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Serga [27]
2 years ago
6

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:
-BARSIC- [3]2 years ago
7 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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TanA= 2xy/(x^2+y^2),<br>find sinA​
valina [46]

Step-by-step explanation:

TanA = SinA/CosA

                                 tanA = 2xy / (x² + y²),

                                 Sin A = CosA * 2xy / (x² + y²)

7 0
3 years ago
If John ran a 5-kilometer marathon how long was that in meters?
kolbaska11 [484]
5000 meters in 5 kilometers I'm pretty sure
3 0
3 years ago
Read 2 more answers
ملی
bonufazy [111]

Answer:

Rs 75,000

Step-by-step explanation:

Let the total value of property be x

If one-fifth of that is given to son

property with son = 1/5 of total value of property = 1/5 of x = x/5

If one-third of that is given to daughter

property with daughter = 1/3 of total value of property = 1/3 of x = x/3

remaining property after giving the portions to son and daughter

= total value of property - property with son -property with daughter

= x - x/5 - x/3

taking LCM of 5 and 3 (15)

= (15x - 3x - 5x)/15

= 7x/15

Given that remaining property was given to wife

property with wife = 7x/15

it is given that wife got 35000 Rs

thus,

7x/15 = 35,000

7x = 35,000*15 = 525,000

x =  525,000/7 = 75,000

Thus, total worth of property =Rs 75,000 Answer

4 0
3 years ago
Clare has 194 tiles. Can Clare put all tiles in 6 rows with the same number of titles in each?
Alexandra [31]

Answer: No, she cannot

Step-by-step explanation:

this is because 194 divided by 6 = 32.333333333, which is an uneven number. hope this helps!

3 0
2 years ago
Gianna earned $466.90 at her job when she worked for 23 hours. How much money did she earn each hour?
Galina-37 [17]

Answer:

About $20.30

Step-by-step explanation:

$466.90 divided by 23.

5 0
2 years ago
Read 2 more answers
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