They want you to convert cms to klms so if 1.5 = 200 then 1.5 x 4 = 6 so 200 xx 4 = 800 6 centimeters equal 800 kilometers so the distance is 800
Answer:
Sam workrate 1/5
Lucy workrate 1/3.5 = reciprocal of 7/2 = 2/7
combined workrate: 1/5 + 2/7 = 17/35
they will mow the lawn in 35/17 = 2 and 1/17 hours
2 hours 3 1/2 mins
Step-by-step explanation:
Answer:
The vertex is (0, 0).
Step-by-step explanation:
Check out the parent function: y = x^2. The graph is a parabola whose vertex is (0, 0) and which opens upward.
Then y = -x^2 is the same but opens downward. The vertex is (0, 0).
Answer:
-1209
Step-by-step explanation:
Your sequence has first term a1 = -29 and common difference d = -20. Using these in the formula for the n-th term, we can find the 60 term.
an = a1 +d(n -1)
an = -29 -20(d -1)
a60 = -29 -20(60 -1) = -1209
Answer: x = -3, -1/3, 1/2, 3
Step-by-step explanation:
