WebJul 18, 2024 · The amount of time it takes the quantity to be reduced by half is eight days, so this is our time unit. After t days have passed, then t8 is the number of time units that have passed. Starting with the initial amount of 40, our half-life model becomes: There are 30.8 grams of the substance remaining after three days. WebTo solve the system of equations, we can use any method such as substitution, elimination, or matrix methods. Here, we will use the substitution method. From the first equation, we …
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WebSolving a system of three variables. 1. Choose two equations and use them to eliminate one variable. 2. Choose another pair of equations and use them to eliminate the same variable. 3. Use the resulting pair of equations from steps 1 and 2 to eliminate one of the two remaining variables. 4. Solve the final equation for the remaining variable. 5. ... date of birth of jawaharlal nehru
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WebAnswer (1 of 13): A2A I just want to reiterate Quora User’s comments because they deserve repeating. “This is an expression, not an equation. (We solve equations and factor … Web= 14 = 30. x = 7 x = 6 +4 +12. 2 5 2. 5 −4. −12 +23 +8 21 = 7x. 4 = 4x 64 = 8x. 33 = 3x or. or or. or x = 1. x = 8 x = 11. 3 = x 1 = x. 8 = x 11 = x. −4 −12 +23 +8. 7 4 8. 3 7. 4 8. 3 ... (subtraction and division). One way to solve these equations is to do an extra initial step to re-arrange the equation so that it looks like one you ... http://www.annualreport.psg.fr/YJma_klb-secondary-maths-form-three-statistics-topic.pdf date of birth of jesus wikipedia