Answer:
U=(x+3) and V=7
Step-by-step explanation:
Oleg, Sasha, and Dima shared 600 toys. Sasha had twice as many toys as Oleg. Dima had 40 more toys than Oleg.
Let the number of toys Oleg has = x
Let the number of toys Sasha has = y
Let the number of toys Dima has = z
Sasha had twice as many toys as Oleg
So y = 2*x= 2x
Dima had 40 more toys than Oleg.
z = x + 40
Oleg, Sasha, and Dima shared 600 toys
x + y + z= 600
We know y=2x and z=x+40
Replace it for y and z
Subtract 40 on both sides
Divide by 4 on both sides
Oleg had 140 toys
It’s 144
You do a^2 + b^2 = c^2
B is 42 and C is 150 since it’s the hypotenuse
You do it all out and get 22,500 - 1764
Then find the square root and end up with 144
Answer:
2 7/8
Step-by-step explanation:
3/8 + 2 4/8= ?
3/8+ 4/8= 7/8
7/8+ 2 = 2 7/8
Answer: Ayshab's average speed for the whole journey =
Step-by-step explanation:
Formula: Speed =
i.e. Time =
If Ayshab walked x miles at 4 mph, then time taken by him = hours
If she then walked 2x miles at 3 mph, then time for this period = hours
Average speed =
Hence, Ayshab's average speed for the whole journey =