Answer:
let n be the number then the sum of this number and 7 is n +7 and 3 times this sum is 3(n +7) 5 times the number less thirteen is 5n − 13
Step-by-step explanation:
Answer:
2972.5
Step-by-step explanation:
3500*7/8 - 90 = 2972.5
Interchange the x and y and solve for the resulting y.
x = 4y^2 - 2
(x + 2) = 4y^2
(x + 2)/4 = y^2
+/- sqrt(x + 2)/2 = y
The graph of these two is below.
The original is in red
The inverse is in blue and green
Answer:1 1/4 feet would have been cut off.
Step-by-step explanation:
length of old wooden post =3 3/4 feet
length of old wooden post cut off ==2/6 of 3 3/4 feet. this gives us
=2/6 x 3 3/4
=2/6 x 15/4
=5/4=1 1/4 feet would have been cut off.