Answer:
60 miles per hour
Step-by-step explanation:
Use speed = distance / time
Speed = 240 / 4
240 / 4 = 60
Speed = 60
Can you help me on my recent

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Factorise a² - b² :
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Crossed out common factors, (x + a) :
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Answer:
4.72 in.
Step-by-step explanation:
BC = 3.1 in.
CD = 7.2 in.
Altitude of right triangle altitude is given as
, where:
h = altitude
x = 3.1 in.
y = 7.2 in.
Plug in the values into the formula


(nearest hundred)
Answer:
c² - 63
Step-by-step explanation:
4c - 10 = 30
3c ÷ 3 = 10
c² - 63 = 37
c² ÷ 10 = 10
Since c² - 63 = 37 and c + 25 = 35, 37 is greater than 35 so it would make sense to choose c² - 63 as the answer.
c + 25 < 37
I hope this helps you :D