Question
Write and solve an equation: How long does it take Kathryn to get to her grandmother’s house that is 180 mi away if she averages 45mi/hr on the trip
134
likes668 views
Answer to a math question Write and solve an equation: How long does it take Kathryn to get to her grandmother’s house that is 180 mi away if she averages 45mi/hr on the trip
Hermann
4.6126 Answers
1. Use the formula for time: \( t = \frac{d}{s} \).
2. Plug in the distance: \( d = 180 \, \text{miles} \).
3. Plug in the speed: \( s = 45 \, \text{miles per hour} \).
4. Solve for time: \( t = \frac{180}{45} = 4 \).
5. Answer: \( 4 \, \text{hours} \).
2. Plug in the distance: \( d = 180 \, \text{miles} \).
3. Plug in the speed: \( s = 45 \, \text{miles per hour} \).
4. Solve for time: \( t = \frac{180}{45} = 4 \).
5. Answer: \( 4 \, \text{hours} \).
Frequently asked questions (FAQs)
What is the value of x in the cubic equation 2x^3 - 5x^2 + 3x - 1 = 0?
+
What is the limit of (sin(x) - x) / (x^3) as x approaches 0?
+
What is the vertex of the quadratic function f(x) = x^2? (Hint: vertex form is f(x) = a(x - h)^2 + k)
+
New questions in Mathematics