Sorry, but the picture is too blurry. Can you write them down?
The answer is b. Hope this was helpful
Answer:
or 
Step-by-step explanation:
The given equation is
Let us treat this as a quadratic equation in 
.
where 
The solution is given by the quadratic formula;
We substitute these values into the formula to obtain;
or 
or 
or 
or
Answer:
57.78 km/hr
Step-by-step explanation:
Total time taken, t = 6 hours
Total distance covered, d = 520 km
Distance by car = 260
Distance by train = 520 - 260 = 260 km
Train speed = x
Car speed = 2x
Average speed speed = 3x /2
Speed = distance / time
1.5x = 520 / 6
9x = 520
x = 520 / 9
x = 57.777
Average speed of train = 57.78 km/hr
Answer:
For the box that you did not fill out the area of that shape is 190 sq units
Step-by-step explanation:
10 x 5 = 50 ÷ 2 = 25
10 x 15 = 150
10 x 3 = 30 ÷ 2 = 15
25 + 150 + 15 = 190
