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Alona [7]
2 years ago
11

Solve the logarithmic equation. Round to the nearest ten-thousandth if necessary. log(x+9)-log x=3

Mathematics
1 answer:
zheka24 [161]2 years ago
4 0
(√6,0) (√5,-1) (-√6,0) (-√5,-1)
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Long rationalise surds questions <br>pls help​
Katena32 [7]

Answer:

Noah mistakenly added 25 and 7 in denominator instead of subtracting in the third step.

Step-by-step explanation:

Noah had to rationalize the denominator of \frac{32}{5-\sqrt{7}}

According to him,

\frac{32}{5-\sqrt{7} = \frac{32(5+\sqrt{7}{(5-\sqrt{7})(5+\sqrt{7}

Solving the nominator and denominator

= \frac{160-32\sqrt{7}}{25+5\sqrt{7}-5\sqrt{7}-7}

Noah did correctly till this point.

In the next step he add 25 and 7 in the denominator, whereas, it should be subtracted.

Hence,

Noah mistakenly added 25 and 7 in denominator instead of subtracting in the third step.

3 0
2 years ago
Math help please,,, thank u uwu!
Svetlanka [38]

Answer:

AC=BD

CAD=CBD

ACB=ADB

Step-by-step explanation:

You're essentially looking for anything of equal proportions. Obviously, your circle is split by several lines, and each side is symmetric. Since you know this, it's simply a matter of identifying one element then finding its symmetric match.

Follow the lines and trace the path with your finger for each question. If you do this, you'll see that AC=BD is an answer that involves a symmetric pair, because these two are equal distances and equal (but opposite) in placement.

Continuing with this method, keep track of the parts of the triangles you trace. With CAD=CBD, you trace across a hypotenuse, a leg, and a base in BOTH, making this true.

Continuing further with ACB=ADB, you trace across a hypotenuse, a leg, and a base with both AGAIN, making this true.

With AB=CD, this is obviously incorrect. You can't jump between points.

7 0
3 years ago
Read 2 more answers
What is the value of x?<br> A<br> 160°<br> 95"<br> A. 359<br> B. 60°<br> C. 155°<br> D. 250
Svetradugi [14.3K]

Answer:

The value of x is 25°.

Here is your solutions too.

4 0
2 years ago
Read 2 more answers
Find the sum. Write your answer in simplest form.
Masteriza [31]

Answer:

19/20

Step-by-step explanation:

write all numerators above the common denominator 20

14+5/20

19/20

4 0
3 years ago
PLEASE HELP DUE TODAY!!! GIVING BRAINLIEST TO THE PEOPLE WHO ANSWER ALL!!! I JUST WANT TO FINISH THIS AND GO TO SLEEEEP!!!!!!!
guapka [62]

Answer:

1 = 144

2 = 80

3 = 192

4 =  1209.6 or 1209

5 = 375

Step-by-step explanation:

8 0
2 years ago
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