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Alex787 [66]
3 years ago
9

I BET YOU CANT SOLVE THIS...

Mathematics
1 answer:
e-lub [12.9K]3 years ago
8 0
The answer is 61 7/20
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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
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The table below shows the amount of money needed to buy certain amounts of fabric.
Karo-lina-s [1.5K]

Answer:

Do you have the a picture of the table

8 0
3 years ago
I BET YOU WONT ANSWER THIS PLZZZ ANSWER NO ONE HELPING ME
vichka [17]
Hello!

Your answer is the second option.

Hope this helps!
8 0
3 years ago
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Solve the inequality for x<br><br> 20x &gt; 8(4x - 5) - 20
UNO [17]
Hi there! I can help you with this! First, let's combine like terms and do everything for the right side of the problem. When you do the distributive property, you get 32x - 40. Combine like terms and you'll get 32x - 60. Now, the inequality is 20x = 32x - 60. First, let's subtract 32x from both sides to get the integer by itself. When you do that, you get -12x = -60. Now, divide each side by -12 to isolate the "x". -60/-12 is 5. Let's plug it in. 20 * 5 is 100. 32 * 5 is 160. 160 - 60 is 100. 100 = 100. There. x = 5.
4 0
2 years ago
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The supplement of an angle is 3 times the measure. What is the measure of the angle?
cluponka [151]
I don’t know for sure but maybe 60?
3 0
3 years ago
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