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deff fn [24]
3 years ago
8

My Practice Time 4

Mathematics
1 answer:
oksano4ka [1.4K]3 years ago
4 0

Answer:

which class wuestion??

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Solve 5(2^x+4)=15 round to the nearest thousandth
Novosadov [1.4K]

Answer:

Step-by-step explanation:

Begin by dividing by 5

2x + 4 = 3            

Is this written as 2^(x + 4) = 3? I think it is.

Take the log of both sides

log 2^(x + 4) = log(3)

(x + 4) * log(2) = log 3

log 2 = 0.30103

log 3 = 0.47712

(x + 4) = log2 / log3

x + 4 = 0.63093               Add 4 to both sides

x = -3.369                        Rounded to the nearest thousandth

====================

If you mean the question exactly as it is written (the 4 is not part of the power)

5(2^x + 4) = 15

2^x + 4 = 3

2^x = 3 - 4

2^x = - 1

This can't be done 2 to any power should be >0.

if x>0 then this will give an ever increasing number

if xK0 then this will give an ever decreasing answer but still greater than 0.

No value will make 2^x go to something minus.

If I have misread this in some way, leave a note and I will get back to you.

5 0
3 years ago
The base of the pyramid is a right triangle<br><br><br><br> The volume is ____ cubic cm.
kompoz [17]

Answer:

37 cubic cm should be the answer sorry if I am wrong

3 0
3 years ago
If the diameter of a circle changes from 18 cm to 6 cm, how will the circumference change?
olga_2 [115]
The circumference when the diameter is 18 = 18pi

The circumference when the diameter is 6 = 6pi

18pi/6pi=3

The circumference will become a third of what it was.

Hope this helps!
6 0
3 years ago
I need help with this problem​
dexar [7]

The answer to the equation is 15

5 0
3 years ago
The graph of g(x) is a translation of y = 3/x
Crank

Answer:

d

Step-by-step explanation:

6 0
3 years ago
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