Answer:
f(1/x)=1/x^2+1
Step-by-step explanation:
Answer:
The answer is A = 4 and B = 3 or C on edge
Step-by-step explanation:
B.89
C.90
D.91
Answer:
d
Step-by-step explanation:
Answer:
4^2
Step-by-step explanation:2*2
Which of the following is a solution to the system: 2 lb peanuts and 3 lb mixture; 2.5 lb peanuts and 2.5 lb mixture; 4 lb peanuts and 1 lb mixture? Show your work.
Answer: The system that models this situation is:
{p+m=50.6p+0.2m=0.6×5
This system can be solved by substitution or elimination. One possible solution is:
Multiply the second equation by 5 to eliminate the fractions:
{p+m=53p+m=15
Subtract the first equation from the second equation to eliminate m:
2p=10
Solve for p:
p=210=5
Substitute p into the first equation to find m:
m=5−p=5−5=0
The solution is (p, m) = (5, 0), which means Delaney needs 5 lb of peanuts and 0 lb of mixture.
Another possible solution is:
Multiply the first equation by -0.2 to eliminate m:
{−0.2p−0.2m=−10.6p+0.2m=3
Add the two equations to eliminate m:
0.4p=2
Solve for p:
p=0.42=5
Substitute p into the first equation to find m:
m=5−p=5−5=0
The solution is (p, m) = (5, 0), which means Delaney needs 5 lb of peanuts and 0 lb of mixture.
Therefore, the only correct option among the given choices is 4 lb peanuts and 1 lb mixture.
a. –22.94
b. 0.8
c. 4.5
d. 15.6