R = e/i
e = ri [multiply both sides by i]
Answer:45 feet
Step-by-step explanation:I believe this answer makes the most sense
Answer:
-2+-7 is -9
Step-by-step explanation:
negative plus negative is always negative
Answer:
x = 2.16
Step-by-step explanation:
Question :

Use cross multiplication.
3.5x × 5 = 9 × 4.2
17.5x = 37.8
Divide both sides by 17.5.
x = 2.16
Let me know if you have any other questions. :-)
Answer: f(x)*g(x)= 4x^4-x^3+7x^2-11x-5
Step-by-step explanation: I usually just split the expression into terms but you're welcome to solve it the vertical way.
4x(x^3+x^2+3x+1) = 4x^4+4x^3+12x^2+4x = A
-5(x^3+x^2+3x+1) = -5x^3-5x^2-15x-5 = B
Add A and B together.
4x^4-x^3+7x^2-11x-5