Answer:
2.2+3(3.4)
=2.2+10.2
=12.4
Step-by-step explanation:
Answer:
nearest tenth is 23.5
nearest hundredth is 23.55
Step-by-step explanation:any number more than 5 is rounded up to +1 for the next number so for tenth 23.546= 23.5 and for hundredth 23.546=23.55
Speed = 225 metres per minute
Distance = 15 km = 15,000 metres
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s=d/t
ts=d
Therefore: t=d/s
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Time = Distance / Speed
Time = (15,000 metres) / (225 metres per minute)
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Let's work it out:

Answer:
Step-by-step explanation:
#3 slope is the change in y divided by the change in x
So -10-(-8)/13-15 = -2/-2=1
for #5 the slope is always the coefficient of x when written in slope intercept form so the slope is 3
#7 the gradient is infinite
Answer:
(3)
Step-by-step explanation: