Mathematics, 28.06.2019 10:30 kstyleszdance
Which is the best first step when solving the following system of equations? x+y=3 and 4x-y=7 i need answer asap a. multiply the first equation by 4. b. add the first equation to the second equation. c. multiply the second equation by -1 d. subtract the second equation from the first equation.
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Zed is making a centerpiece for his dining room table by putting sand in a cube-shaped vase. the vase is 0.25 meters in length, width, and height. he bought 25 kg of sand. assume the density of dry sand is 1,602 kgm3. what is the volume of the sand that zed purchased? the volume of the sand is approximately m3. enter your answer as the number that correctly fills in the blank in the previous sentence. if necessary, round your answer to six decimal places, like so: 42.536475
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Which is the best first step when solving the following system of equations? x+y=3 and 4x-y=7 i need...
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