If R is the midpoint of QS, QR= 8x-51 and RS = 3x-6, find QS.
2 answers:
Answer: The required length of QS is 42 units.
Step-by-step explanation: Given that the point R is the midpoint of the line segment QS,
where QR= 8x-51 and RS = 3x-6.
We are to find the length of QS.
Since R is the midpoint of the segment QS, so we must have
Therefore, the length of QS is given by
Thus, the required length of QS is 42 units.
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Hello,
x,y,z∈ IN
==>
x∈{35,36,37}
y∈{47,48,49}
z∈{141,144,147}
We must go futher:
if x=35 then y=4*35/3=46.666 not good , not whole
if x=36 then y=4*36/3=48 ok
if x=37 then y=37*4/3=49.333.. not good
So there is only one solution (36,48,144) for (x,y,z)
No problem with z for z=3/1*4/3*x=4x ==>whole.
x,y,z∈ IN
x∈{35,36,37}
y∈{47,48,49}
z∈{141,144,147}
We must go futher:
if x=35 then y=4*35/3=46.666 not good , not whole
if x=36 then y=4*36/3=48 ok
if x=37 then y=37*4/3=49.333.. not good
So there is only one solution (36,48,144) for (x,y,z)
No problem with z for z=3/1*4/3*x=4x ==>whole.