Is PQRST a scaled copy of ABCDE
1 answer:
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Answer:
Step-by-step explanation:
We are asked to divide the first equation f(x) by the second equation g(x) and then multiply the division by x
We will be using the difference of two squares to solve this question somewhere in the process
(f/g) * x
(25-x^2) / (x+5) * x
Check the attachment for detailed solution
Answer:
Sabrina bought 3 pounds of bananas.
Step-by-step explanation:
Given equations are:
a + b = 8 Eqn 1
0.95a + 1.10b = 8.05 Eqn 2
As we have to find the number of pounds of bananas bought, we will eliminate the variable a from the equation.
Multiplying Eqn 1 by 0.95
0.95(a+b=8)
0.95a+0.95b=7.60 Eqn 3
Subtracting Eqn 3 from Eqn 2
(0.95a+1.10b)-(0.95a+0.95b)=8.05-7.60
0.95a+1.10b-0.95a-0.95b=0.45
0.15b = 0.45
Dividing both sides by 0.15
Hence,
Sabrina bought 3 pounds of bananas.