Answer:
the two coefficients are 2/3 and -1/6
the sum of the expressions are =
1
/2
q−r+
−3
/4
Step-by-step explanation:
B hope that is correct answer
It's B.) The student’s answer is not reasonable. Estimation: 170 + 90 = 260
Answer:
a) scale factor = 1.5
b) d length is 7.5
c) Area scale factor is 2.25
Step-by-step explanation:
Given QR =6
And ST =9
Length Scalar factor = enlarged length /previous length
=9/6
=1.5
Length Scalar factor =1.5
b)we know PS enlarged length of PQ
Length scale factor = PS/PQ
1.5 =PS/5
PS =5×1.5
PS =d =7.5
d length is 7.5
c)Formula :
Area scale factor = (length scale factor)2
=(1.5)2
=2.25
Area scale factor is 2.25
