X= 5
To find the side a we will use the Pythagorean Theorem:
<span><span>a2</span>+<span>b2</span>=<span>c2</span></span>
After substituting <span>b=12</span> and <span>c=13</span> we have:
<span><span>a2</span>+<span>122</span>=<span>132</span></span><span><span>a2</span>=<span>132</span>−<span>122</span></span><span><span>a2</span>=169−144</span><span><span>a2</span>=25</span><span><span>a=5</span></span>
A little blurry...but...
3(2x+7)=27 do indicated operations on left side
6x+21=27 subtract 21 from both sides
6x=6 divide both sides by 6
x=1
75 is divisible by 3. It equals 25.
I hope this helped!!
Answer:
2 - x^2
Step-by-step explanation:
The answer is 19. ok your welcome have a nice day