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How do you put the problem -5 plus 3 on a number line?
Start at the number -5. Adding a positive number implies moving to the right on a number line, so move 3 spaces to the right on the number line. This gives -5 + 3 = -2.
How do you the second level in the worlds hardest game?
Don't go from left to right through the middle. The blue dots intersect there, leaving you no chance to dodge. Next, take note of the blue dot closest to you. As soon as it passes the middle and goes up (or down) towards the edges, move in the opposite direction of that blue dot, towards one of the corners of the rectangle the blue dots are moving in. Don't stop there, though. When the next blue dot in line moves up (or down) towards the middle, move right to the vertical line it's moving in. Keep progressing from left to right using this tactic. You have to collect that coin in the middle, however. When you are in line with the coin so that you can move straight up or straight down and collect it, "follow" the blue dot that's also in line with you, into the center. Now, without stopping, either get the coin and immediately move straight back to the edge you were on before (don't forget to move to the left or to the right to avoid the incoming blue dot), or keep moving up (or down), collect the coin, and move one square to the left or to the right while still moving in the same direction, and get on the opposite edge before you got the coin. Resume moving right at a steady pace, and get up or down towards the goal using the same strategy used to get the coin.
When you add a positive integer move to what on the number line?
The right.
How can you multiply by a decimal by 100?
by moving the decimal two place to the right.
Does a particle moving in a straight line have acceleration?
A particle moving in a straight line may or may not have acceleration. Acceleration is adifferent phenomenon altogether. the rate of change of velocity is acceleration, a particle can move in a straight line with a constant velocity thus having no acceleration & it can also move with increasing or decreasing velocities thereby accelerating or deaccelerating.
