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DIA [1.3K]
2 years ago
8

Solving by substitution

Mathematics
1 answer:
cricket20 [7]2 years ago
7 0
This system of equations has no solution.
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2^x+5 = 3^1-x use logarithms to solve the exponential equation. round answer to 3 decimal places.
marysya [2.9K]
2^{x+5}=3^{1-x}\ \ \ \ \ /log_2()\\\\log_22^{x+5}=log_23^{1-x}\\\\x+5=(1-x)log_23\\\\x+5=log_23-xlog_23\\\\x+xlog_23=log_23-5\\\\x(1+log_23)=log_23-5\ \ \ \ /:(1+log_23)

x=\frac{log_23-5}{1+log_23}\\-------------\\log_23\approx1.5849625\\----------------\\x\approx\frac{1.5849625-5}{1+1.5849625}\approx-1.321
8 0
3 years ago
Read 2 more answers
Can I please have some help !
maw [93]

Answer:

No because when you set it up it would be 11/9.4 which equals 1.17

Then you do the other side, 10/8.4 which equals 1.19

And 1.17 doesn't equal 1.19 so they are not similar


7 0
3 years ago
Write two equivalent fractions for 10 to 3
saw5 [17]
20/6 because 20 x 3 = 6 x 10 = 60. 309 is equivalent to 10/3 because 30 x 3 = 9 x 10 = 90.
40/12 is equivalent to 10/3 because 40 x 3 = 12 x 10 = 120.
7 0
2 years ago
Hey can some one help me out
Archy [21]

I believe the correct situation is C

3 0
3 years ago
During batting practice 12 balls were pitched to each player if 9 player came to practice how many balls were pitched
svetoff [14.1K]
Hello,

If 12 balls were pitched to each of the 9 players at practice, then
12 + 12 + 12 + 12 + 12 + 12 + 12 + 12 + 12 balls were pitched total.

This is also equal to (12)(9) = 108 balls.

108 balls were pitched during practice.

Hope this helps!
5 0
3 years ago
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