What can replace k in the following equation?
$\sqrt{86.49}+\sqrt{5+k^2}=12.3$
Answer & explanation
Correct answer: option 3
$\sqrt{86.49}+\sqrt{5+k^2}=12.3$
$9.3+\sqrt{5+k^2}=12.3$
$\sqrt{5+k^2}$ = 3
k2 = 92 - 5 = 4
k = 2
What can replace k in the following equation?
$\sqrt{86.49}+\sqrt{5+k^2}=12.3$
Correct answer: option 3
$\sqrt{86.49}+\sqrt{5+k^2}=12.3$
$9.3+\sqrt{5+k^2}=12.3$
$\sqrt{5+k^2}$ = 3
k2 = 92 - 5 = 4
k = 2