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vekshin1
3 years ago
7

3x+3=2x+1 what is the value of x

Mathematics
1 answer:
allsm [11]3 years ago
7 0

Answer:

Answer: 3x + 3 = 2x + 1

Answer: 3x + 3 = 2x + 1 <=>3x - 2x = 1 - 3

Answer: 3x + 3 = 2x + 1 <=>3x - 2x = 1 - 3 <=> x = -2

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Solve 3 ^ (x - 8) = 8 for x using the change of base formula logb y = (log y)/(log b)
Vilka [71]

Answer:

x=3\log_3 (2) +8

Step-by-step explanation:

Here we are using power rule first.

Power rule = The logarithm of an exponential number is the exponent times the logarithm of the base [log(a)^{b}=b\times log(a)].

For the function given.

3^{(x-8)} = 8,using log function both sides.

(x-8)log(3)=log(8)

Now,

(x-8)=\frac{log(8)}{log(3)}

Adding 8 both sides.

x=\frac{log(8)}{log(2)} +8

And we know that 8=2^{3} so we can further write log(8)=log(2^{3})=3log(2)

Then we have x=\frac{3\log(2)}{\log 3} +8.

Now, using change of base formula:

\frac{\log y}{\log b}=\log_b y

So, \frac{\log 2}{\log 3}=\log_3 2

Our final answer is  x=3\log_3 (2) +8.

6 0
3 years ago
Read 2 more answers
Pls help!! And show work thank you
leva [86]

Answer:13 and 12

Step-by-step explanation: the pattern is add 2 then minus one. But then the 2 continues to 3 4 5 and so on. So u add 5 to 8 which gives 13 then minus 1 again to get 12

7 0
2 years ago
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If i earn $8.10 and hour and worked 6 hours a day how many days would i need to work to get 470 hours.
prisoha [69]
Since 470/6 = 78.333 it would take you 78.333 days to work 470 hours.
4 0
3 years ago
What is required in aerobic respiration?<br>​
likoan [24]
O2, or Oxygen, and C6H12O6, or glucose.
6 0
2 years ago
What is the x intercept of y + 4 =− 4(x − 1)
vivado [14]

Answer:

0

Step-by-step explanation:

since the "b" in y=mx+b ends up being 0, that means that the y intercept is 0, which also means that the x intercept is 0.

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