Answer:
433
Step-by-step explanation:
Step-by-step explanation:
2/3+3/5
=10+9/15
=19/15
The mistake she made was that she didn't took right LCM.
Answer:
X=.5
Step-by-step explanation:
<u>First, I rewrite the equation:</u>
<u />
= ![\frac{x+9}{x}](https://tex.z-dn.net/?f=%5Cfrac%7Bx%2B9%7D%7Bx%7D)
<u>Next, Cross Multiply:</u>
19x times x is 19x^2
x+9 times x+9 equals (x+9)^2
<u>Write the Formula Again, Revised:</u>
19x^2=(x+9)^2
<u>Square Root Both Sides:</u>
19x=x+9
<u>Subtract x from both sides:</u>
18x=9
<u>Divide Both Sides by 18:</u>
<em><u>X=.5</u></em>
.5 is the answer
i hope this helps!
Please Give ,e feedback (or brainliest) to let me know if im right!
Answer:
a² = b² -w² +2wx
Step-by-step explanation:
The algebra is pretty straightforward. Expand the expression in parentheses and add x².
b² -(w -x)² = e² = a² -x²
b² -(w² -2wx +x²) = a² -x² . . . . . expand the square
b² -w² +2wx -x² = a² -x² . . . . . . distribute the minus sign
b² -w² +2wx = a² . . . . . . . . . . . . add x²
Answer:
a) ![\frac{1}{cos(2x)}](https://tex.z-dn.net/?f=%5Cfrac%7B1%7D%7Bcos%282x%29%7D)
Step-by-step explanation: