Answer:
i) 30 minutes
ii) 50 km/h
Step-by-step explanation:
Part 1:
1540 - 1600 is pnt 1 to pnt 2; 1 km per hour. (20 minutes)
15km at 90km/h = 10 min
20 + 10 = 30 minutes
Part 2:
10 km/h + 90 km/h = 100km/h
Average = /by number of factors;
100 km/h / 2 = 50 km/h (Average journey speed)
Answer:
77
Step-by-step explanation:
Answer:
is there a certain problem you need help on in a junior
<h3>
Answer: Choice A) 1/3</h3>
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Work Shown:
x = preimage length = 12
y = image length = 4
z = scale factor
z = y/x
z = 4/12
z = (1*4)/(3*4)
z = 1/3
The scale factor is 1/3.
This means the image is 1/3 of the length of the preimage.
Answer:
yes
Step-by-step explanation:
because if you multiply 6 and n it is 6n and 6 x 3 are 18 but subtract 4 and it is correct