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Natasha_Volkova [10]
3 years ago
15

Evaluate Tan^-1 1 Easy points !!

Mathematics
1 answer:
Allisa [31]3 years ago
6 0

easy points yes please

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<img src="https://tex.z-dn.net/?f=%20%7B2%7D%5E%7Bx%20%2B%202%20%7D%20%20%3D%209%20%5Ctimes%28%20%20%7B2%7D%5E%7Bx%7D%20%29%20-%
nataly862011 [7]

Hello, please consider the following.

{2}^{x + 2 } = 9 \times( {2}^{x} ) - 2\\\\2^x \cdot 2^2=9\cdot 2^x-2\\\\(9-4)2^x = 2\\\\2^x=\dfrac{2}{5}\\\\\text{We take the ln.}\\\\xln(2)=ln(2)-ln(5)\\\\x=\dfrac{ln(2)-ln(5)}{ln(2)}=-1.32193...

Let me know if you need further explanation.

Thank you

7 0
3 years ago
ASAAPPP!! Which of the following exponential equations could be represented by the table below?
Ne4ueva [31]

Answer:

Option C

Step-by-step explanation:

Just took the quiz and it was right.

7 0
3 years ago
Read 2 more answers
Identify the solution set of the given inequality using the given replacement set.   x &gt; –4; {–8, –4.3, –4 –3.8, 1.2, 3}  
Dovator [93]
<span>x> -4 means that it is needed to find all the values that are greater than -4 "not including" -4 ... for negative values as you get from zero the values decrease which means that -8 is less than -7 and -7 is less than -6 etc.. and positive values are trivially known to be greater than negative ones then take each value and compare it with -4 -8 is less than -4 -4.3 is less than -4 -4 is equal to -4 which is not included in our required range which is x>-4 -3.8 is greater than -4 which will get in our solution 1.2 is greater than -4 3 is also greater than -4 So our final solution will be {-3.8,1.2,3} Which is B in our question Hope this helps :) Let me know too if you got it :) </span><span>
</span>Answer: C. {-3.8, 1.2, 3}

3 0
3 years ago
3^3 . x^2- 25 divided by 5 when x= 0.6
Alenkasestr [34]

Hey there!

3^3 * x^2 - 25 / 5

= 3^3 * 0.6^2 - 25 / 5

= 3 * 3 * 3 * 0.6 * 0.6 - 25 / 5

= 9 * 3 * 0.6 * 0.6 - 25 / 5

= 27 * 0.36 - 25 / 5

= 9.72 - 25 / 5

= 9.72 - 5

= 4.72


Therefore, your answer is: 4.72


Good luck on your assignment & enjoy your day!


~Amphitrite1040:)

7 0
3 years ago
Read 2 more answers
decide if the following change is an increase or decrease. then determine the percent of change. senior citizen receive a 10% di
BARSIC [14]

The oldster got a discount, so the original price is higher; let's call it x;

(1 - 0.10) x = 12.60

.9 x = 12.60

x = 12.60/0.9  = 14.00

Answer: $14.00

8 0
3 years ago
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