Answer:
E 8 m/s
Step-by-step explanation:
The magnitude of the velocity (the speed) is the number of meters divided by the number of seconds. (That's what meters per second means.)
|V| = (16 m)/(2 s) = (16/2) m/s = 8 m/s
Velocity is a vector quantity, so must include a <em>direction</em> along with the <em>magnitude</em>.
V = E 8 m/s
Answer:
20
Step-by-step explanation:
h(-7) just means that inside the x value, you replace the x with a -7.
h(-7) = |3x| - 1
h(-7) = | 3(-7)| - 1
h(-7) = | -21 | - 1
NOTE: -21 is inside |x|, those straight lines mean absolute value. No matter what, any negative number would turn into a positive one. And if it’s posititve, then it stays positive.
h(-7) = 21 - 1
h(-7) = 20
Answer: B. 45 degrees
Step-by-step explanation:
Raising a number to the 1/2 power means taking its square root.
Answer:
(a) 412 +A -B
(b) 412 +A -B + (A-20) -(B+14)
(c) 378 +2A -2B
Step-by-step explanation:
Water flowing in adds to the amount in the reservoir. Water flowing out subtracts from the amount in the reservoir.
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(a) 412 + A - B . . . . at the end of January
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(b) Flowing in was (A -20), flowing out was (B +14). In February, we start with the amount at the end of January.
(412 +A -B) +(A-20) -(B +14)
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(c) Simplifying the above, we have ...
412 -20 -14 +2A -2B = 378 +2A -2B