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The sun goes around the center of our galaxy once every 250 million years. The sun is also 2.55×10^20 m from the center of our
1. 1 answer
2. 394 views
The combination of the force of gravity and my hand provide a net force of 40 N on a ball straight up. The ball accelerates at
1. 1 answer
2. 370 views
In triangle ABC, ∠ABC=30∘,∠ACB=60∘. D is a point in triangle ABC such that DB and DC bisect angles ABC and ACB
1. 1 answer
2. 1,416 views
We define n♡ recursively as follows.1♡=1; n♡=((n−1)♡)⋅n+1 Find the largest n<1000 such that the last two digits of
1. 2 answers
2. 562 views
How many integers appear in both of the following arithmetic progressions:A1: 2, 9, 16,.....2+(1000-1)*7 A2: 3, 12,
1. 2 answers
2. 971 views
C(x)=x^2−20x+111 represents the total cost, in dollars, to produce x gallons of paint. How many gallons of paint should be
1. 1 answer
2. 916 views
Sally sells seashells by the seashore. In the morning, her sack of shells weighed 70 N. She sold seventy shells and in the
1. 1 answer
2. 444 views
The sun goes around the center of our galaxy once every 250 million years. The sun is also 2.55×10^20 m from the center of our
1. 0 answers
2. 985 views
The combination of the force of gravity and my hand provide a net force of 40 N on a ball straight up. The ball accelerates at
1. 1 answer
2. 405 views

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