In a coin box Rodney has 12 fewer nickels than dimes. The total amount of money he has is 2.40. How many nickels does he have
1 answer:
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Answer:
The x-coordinate of the solution is x=3
Step-by-step explanation:
we have
------> equation A
------> equation B
Solve the system of equations by substitution
Substitute equation B in equation A and solve for x
Find the value of y
------>
The solution of the system of equations is the point (3,2)
therefore
The x-coordinate of the solution is x=3
Answer:
67.97
Step-by-step explanation:
let AC be length of ladder and BC be distance between ladder and wall and angle be theta
Now,
costheta=BC/AC
THETA =COS^-1(3÷8)
THETA=COS^-1(0.375)
THETA=67.97 DEGREE
