Answer:
Step-by-step explanation:
Given equation is representing the graph of parabola which opens down and its pick is its vertex
<u>The vertex is calculated by vertex formula:</u>
- x = -b/2a for the equation y = ax² + bx + c
<u>In our case t is the vertex and its value is:</u>
- t = -42/(-1.5*2) = 42/3 = 14 seconds
Answer:
about 28
Step-by-step explanation:
Answer:
£50
Step-by-step explanation:
£1 = $1.54
£x = $77
Cross multiply.
1.54x = 77
x = 77/1.54
x = 50
You would get £50 for $77.
