on field day the first grade dash is 25 meters long.the third grade dash is twice the distance of the first grade dash .how long
2 answers:
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This then allows us to see exactly how and where the subtended angle θ of a sector will fit into the sector formulas. Now we can replace the "once around" angle (that is, the 2π) for an entire circle with the measure of a sector's subtended angle θ, and this will give us the formulas for the area and arc length of that sector
<u>Given</u>:
Given that the graph OACE.
The coordinates of the vertices OACE are O(0,0), A(2m, 2n), C(2p, 2r) and E(2t, 0)
We need to determine the midpoint of EC.
<u>Midpoint of EC:</u>
The midpoint of EC can be determined using the formula,
Substituting the coordinates E(2t,0) and C(2p, 2r), we get;
Simplifying, we get;
Dividing, we get;
Thus, the midpoint of EC is (t + p, r)
Hence, Option A is the correct answer.
One days trip of to school from home and back home from school is 2/3 of a mile. We want to know how far it is to school from her house.
To solve this, we simply need to take half of the total distance (2/3)
Next, we need to turn the 2 into a fraction. Every whole number can be made into a fraction by putting it over 1.
Because we are dividing, we need to invert the second fraction and then multiply.
Next, we multiply the top of the first fraction by the top of the second and the bottom of the first fraction by the bottom of the second.
Once you reduce, you get:
To solve this, we simply need to take half of the total distance (2/3)
Next, we need to turn the 2 into a fraction. Every whole number can be made into a fraction by putting it over 1.
Because we are dividing, we need to invert the second fraction and then multiply.
Next, we multiply the top of the first fraction by the top of the second and the bottom of the first fraction by the bottom of the second.
Once you reduce, you get: