Answer:
6
Step-by-step explanation:
i have had this question before and got it right
2x² +8y = 121.5
<span>8y = 121.5 - 2x</span>²
and,
<span>x</span>²<span>-8y = 121.5 </span>
<span>-8y = 121.5 -x</span>²
<span>8y = x</span>²<span>-121.5 </span>
<span>Now, equate the two 8y's </span>
<span>121.5-2x</span>²<span> = x</span>²<span> -121.5 </span>
<span>-3x</span>²<span> = -121.5-121.5 </span>
<span>-3x</span>²<span> = -243 </span>
<span>3x</span>²<span> = 243 </span>
<span>x</span>²<span> = 81 </span>
<span>x = ±9</span>
Answer:
p = 26
Q = 79
R =75
Step-by-step explanation:
because MNO is same as PQR (direction wise)
Angelo's answer should be 138510