<h3>Given Time:</h3>
3 hours and 15 minutes.
<h3>To Find:</h3>
How many seconds are in 3 hours and 15 minutes.
<h3>Solution:</h3>
1 minute = 60 seconds
15 minutes = 60 × 15 = 900 seconds
1 hour = 60 minutes = 60 × 60 = 3,600 seconds
3 hours = 3 × 3,600 = 10,800 seconds
<h2>Answer:</h2>
3 hours and 15 minutes = 10,800 + 900 = <u>11,700 seconds</u>
Answer:4620
Step-by-step explanation: first you subtract the 323to the other side so you have 23423=5x now divide both sides by 5 and that’s it
Answer:
3 gallons per mile, slope of 3
Step-by-step explanation:
To find out how many gallons the train uses per mile, look at the point (50,150). If you know that the train used 150 gallons to travel 50 miles, do 150/50 to get an answer of 3 gallons per mile.
For the second part, you know that as x increases by 1 (miles traveled) y (gallons) increases by 3, so therefore the slope is 3. You can also check this value by plugging in the points (150,450) and (50,150) into the 
0 = 4x²<span> + 2x – 1
this equation is already ordered by degree, so it's in the correct form. the standard form of a parabola is like so: 0 = A</span>x² + Bx - C
that's exactly how you plug values into the quadratic formula. the coefficient for your squared value, A, is 4. take the coefficients from your other numbers as well.
a = 4
b = 2
c = -1
Answer:
A) 1/(3x+1)
Step-by-step explanation:
(x+2)/(x³+2x²-9x-18)÷(3x+1)/(x²-9)
(x+2)/(x+2)(x+3)(x-3)÷(3x+1)/(x+3)(x-3)
since it’s dividing by a fraction, invert and multiply
(x+2)/(x+2)(x+3)(x-3) times (x+3)(x-3)/(3x+1)
The (x+2)’s cancel out.
The (x+3)’s cancel out.
The (x-3)’s cancel out.
You are left with 1/(3x+1)
