Answer:
15 donuts
Step-by-step explanation:
Out of 8 donuts, 6 had sprinkles
6/8 = x/20 Cross mutiply
8x = 120 Divide 8 on both sides
x = 15
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A infant sleeps 2380 in a week
1 way to slove is by subtracting 820-480=340 then you multiply by 7 thats where u get 2380
another way is by multiplying 820 by 7 and multiplying 480 by 7 then subtract the the answers and you get the answer
8^-3 is the answer.. when two numbers of the same base in a fraction form are stacked on top of each other, the exponents always SUBTRACT.. so 3-6 is -3 and the base stays the same :)
The cinematic equation is:
h (t) = (1/2) * a * t ^ 2 + vo * t + h0
Where,
a: acceleration
vo: initial speed
h0: initial height
Substituting values:
h (t) = (1/2) * (- 32) * t ^ 2 + (0) * t + 9
h (t) = - 16t ^ 2 + 9
For t = 0.2 we have:
h (0.2) = - 16 * (0.2) ^ 2 + 9
h (0.2) = 8.36 feet
To touch the ground we have:
-16t ^ 2 + 9 = 0
16t ^ 2 = 9
t = root (9/16)
t = 0.75 s
Answer:
The height of the cherry after 0.2 seconds is:
h (0.2) = 8.36 feet
the cherry hits the ground at:
t = 0.75 s