If A =[12-23], B= [2123]

  1. If A =[12-23], B= [2123] and C=[-3120]. Verify that (AB)C = A(BC) and A (B+C)=AB+AC
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  2. If A = [12-23], B=[2123] and C=[-3120] verify that A(B+c) = AB+AC
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  3. what is the radius of a sphere if the volume is 2123 cubic cm
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    2. Gwen asked by Gwen
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  4. Express 0.\overline{2123} as a base 10 fraction in reduced form.
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    2. Lily asked by Lily
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  5. Find the product of z =(cos 60°+i sin 60°) and z2 = 9(cos 20° +i sin 20°) where Ose < 360°. 122 = 9.67 cis 80° 2122 = 6
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  6. Do the exact calculation:7182 x 2123= ________ Approximate to the nearest hundred _____x_____=__________ Difference between
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    2. Marisol asked by Marisol
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  7. A boat moves through the water with two forces acting on it. One is a 2123 N forward push by the motor on the propeller, and the
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    2. luma asked by luma
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  8. The cable supporting a 2123 kg elevator has a maximum strength of 25982 N. What maximum upward acceleration can it give the
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    2. Jin Hwang asked by Jin Hwang
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