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Earn +20 ptsQ: What is 256x2?
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What is the square root of 16x to the power of 4?
sqrt[(16x)4] = (16x)2 = 256x2
How much GB would 2 256 MB modules give you?
256x2=512 512mb = 0.5GB
What number comes next in the sequence 22-104-268-427?
One possible answer is 494. This uses the cubic function (-29x3 + 256x2 - 401x + 218)/2
What is 2^10?
First, you know it is an exponent. Then, 2x2=4. 4x2=8 8x2=16. 16x2=32. 32x2=64. 64x2=128. 128x2=256. 256x2=512. 512x2=1024. 1024 is the answer.
The ratio of width to the height of the screen of an HDTV is 16 to 9 suppose a large screen HDTV has a 70-in diagonal screen find the width and the height of the screen?
If the ratio is 16:9, call the horizontal edge A and the vertical edge B. A=16x, B=9x. For a rightangled triangle, A2+B2=702. So (16x)2 + (9x)2 = 4900. From here: (16x)2 + (9x)2 = 4900 256x2 + 81x2 = 4900 337x2 = 4900 x2 = 4900/337 = 14.51 x = 3.82 inches Backsubbing: A = 16 * 3.82 = 61.12 inches, B = 9 * 3.82 = 34.38 inches.
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