Mathematics, 31.07.2019 09:50 darlenepitre
The percentage composition by mass of the less expensive 14-karat gold is typically 58.5 percent gold, 4.0 percent silver, 31.2 percent copper, and 6.3 percent zinc. find the percentage composition by volume of 14-karat gold. the density of zinc is ρzinc=7.14g/cm3. enter four answers as percentages, separated by commas. round each to the nearest integer.
Answers: 1
Mathematics, 21.06.2019 21:20
Drag each expression to the correct location on the solution. not all expressions will be used. consider the polynomial 8x + 2x2 - 20x - 5. factor by grouping to write the polynomial in factored form.
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Mathematics, 22.06.2019 01:30
The relative growth rate for a certain type of fungi is 60% per hour.a small culture has formed and in just 6 hours the count shows to be 20,273 fungi in the culture.what is the initial number of fungi in the culture?
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Mathematics, 22.06.2019 01:30
Amayoral candidate would like to know her residents’ views on a public open space before the mayoral debates. she asks only the people in her office. her co-workers are an example of a census population convenience sample simple random sample
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Mathematics, 22.06.2019 02:20
Asalesperson has january sales of $20,000(1,$20,000) and april sales of $80,000 (4,$80,000). what is the rate of change?
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The percentage composition by mass of the less expensive 14-karat gold is typically 58.5 percent gol...
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