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meriva
2 years ago
8

(x+y)^2 expressions that are equivalent

Mathematics
1 answer:
serg [7]2 years ago
3 0
(X+y)(x-y) this is the answer
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Solve for x using technology 2 log 3(x-1)=log(4 x 2-25)
bagirrra123 [75]
<span>2 log 3(x-1)=log(4 x 2-25)
1.  Determine the domain.  Since the input to the log function cannot be zero or negative, 4x^2-25 must be </span>≥ 0.  Thus, x^2 must be >0, or x>0.  Same domain applies to log (3(x-1); x must be > 0.
2.  Rewrite <span>2 log 3(x-1) as log 3(x-1)^2.
3.  Then we have </span>log 3(x-1)^2 = log(4 x 2-25).  We can discard the operator "log" from both sides:   3(x-1)^2 = 4 x 2-25.  There are various ways in which to solve this.  Since you're supposed to "use technology," 
graph y = 3(x-1)^2 and y = 4x^2 - 25 on the same set of axes.  Determine, using visual estimation or your calculator's tools, the value or values of x that satisfy this equation.  My result was x=3, y =11.


3 0
3 years ago
Here's another pls help​
EastWind [94]
2/9-x/5
10-9x/45
Is your answer
6 0
2 years ago
Ill give brainliest if you can help me quick!!!!
alexandr402 [8]

Answer:

c?

Step-by-step explanation:

im not a pro but try it

5 0
3 years ago
Right in equation that shows the relationship between time and distance use your equation to find out how long it would take in
Naddika [18.5K]
This couldn't be answered!
4 0
3 years ago
What is the length of ? A. 13 B. 9 C. 81 D. 11
andrew-mc [135]

Answer:

C. 81

Step-by-step explanation:

6 0
3 years ago
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