1 answer:
1. v=d/t=7.5/1.5=5 km/h
2. v=d/t=(v1*t1+v2*t2+v3*t3)/(v1+v2+v3)=(15*10+20*10+25*5)/(10+10+5)=
=(150+200+125)/25=475/25=19 m/s
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Thats what you would use, so now 2/10 is .2 When you divide so you move the decimal so 20%
The percent increase is 20%
Answer:
x1= -7 , x2= 1
Step-by-step explanation:
Hey there Jnorman1287.
Answer:
Distance = 249 x 9
= 2,241
Hope this helps :D
<em>~Natasha♥</em>
Answer:
Sum of 10 times a number and fifteen is added to eleven times the same number is therefore: 10x + 15 + 11x = 21x + 15
Step-by-step explanation:
Answer:
20
23 is between 20 and 30, but it's closer to 20. So 23 is rounded down to 20.
