Answer:
-937.5 mph
Step-by-step explanation:
Assuming this takes place in a right angled triangle. With the hypotenuse side being, d, 15 miles, the opposite side being 9 miles and the adjacent being an unknown, x.
Using Pythagoras theorem, we know that
x² = 15² - 9²
x² = 225 - 81
x² = 144
x = √144
x = 12 miles.
Again, we should know that
2xx' = 2dd', this means that
xx' = dd'
From the question, we're told that it's decreasing at d' = 750 mph. On substituting, we have
x' = dd' / x
x' = (15 * -750) / 12
x' = -11250 / 12
x' = -937.5 mile per hour
The ground speed of the plane is also decreasing at 937.5 mile per hour
A, and b are correct. c could be but, it is not summer all over the world. for d it is Boston, Massachusetts (city,state)
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Answer:
Step-by-step explanation:
Because firstly, it is increased by 4% but tge same is followed by a 4% decrease. So the final amount will be 1235
Answer:
84 beads
Step-by-step explanation:
She had 98 beads and lost all but fourteen. So it would be 98 - 14 which would get you 84 beads that the girl has lost
