If the expression 6x + 9y – 14 = 5y + 13 is solved for x, what are the steps to write x as a function of y?To solve the equation 6x + 9y – 14 = 5y + 13 for x, follow these steps: 1. Subtract 5y from both sides to get 6x + 4y – 14 = 13. 2. Add 14 to both sides to get 6x + 4y = 27. 3. Subtract 4y from both sides to isolate 6x, giving 6x = 27 – 4y. 4. Divide both sides by 6 to solve for x, resulting in x = (27 – 4y)/6. Therefore, x as a function of y is x = (27 – 4y)/6.
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How can you solve the system of nonlinear equations using the method of substitution or elimination: x^2 + y^2 = 25 and xy = 12?
How can you solve the system of nonlinear equations using the method of substitution or elimination: x^2 + y^2 = 25 and xy = 12?To solve the system of nonlinear equations x^2 + y^2 = 25 and xy = 12, use substitution. Express y in terms of x from xy = 12 (y = 12/x). Substitute y in x^2 + y^2 = 25 to get x^2 + (12/x)^2 = 25. Solve this equation to find x, then use it to find y.
How do you solve systems of linear equations using the substitution method?
How do you solve systems of linear equations using the substitution method?The substitution method for solving systems of linear equations involves isolating one variable in one equation and substituting this expression into the other equation. This reduces the system to a single equation with one variable, which can then be solved. Finally, the value is substituted back into the original equation to find the other variable.
What is the difference between a derivative and an integral in Calculus?
What is the difference between a derivative and an integral in Calculus?In Calculus, a derivative represents the rate of change of a function with respect to a variable, essentially measuring how a function changes as its input changes. An integral, on the other hand, represents the accumulation of quantities, such as areas under a curve. While derivatives focus on instantaneous rates of change, integrals focus on total accumulation over an interval.
If two cars travel in opposite directions starting from the same point, one car going 40 miles per hour and the other going 60 miles per hour, how long will it take for them to be 300 miles apart?
If two cars travel in opposite directions starting from the same point, one car going 40 miles per hour and the other going 60 miles per hour, how long will it take for them to be 300 miles apart?To find the time it takes for the two cars to be 300 miles apart, we add their speeds together: 40 mph + 60 mph = 100 mph. Then, we divide the distance by their combined speed: 300 miles ÷ 100 mph = 3 hours. Therefore, it will take 3 hours for the cars to be 300 miles apart.
Prove that the sum of the interior angles of a regular polygon can be calculated with the formula (n-2)×180°, where n is the number of sides.
Prove that the sum of the interior angles of a regular polygon can be calculated with the formula (n-2)×180°, where n is the number of sides.To prove that the sum of the interior angles of a regular polygon is (n-2)×180°, consider dividing the polygon into (n-2) triangles. Each triangle has an angle sum of 180°. Thus, the total interior angle sum is (n-2)×180°.
Can you explain how to use the method of Lagrange multipliers to find the maximum and minimum values of a function subject to a constraint?
Can you explain how to use the method of Lagrange multipliers to find the maximum and minimum values of a function subject to a constraint?The method of Lagrange multipliers is a strategy for finding the local maxima and minima of a function subject to equality constraints. Suppose we have a function f(x, y, …) that we want to maximize or minimize subject to a constraint g(x, y, …) = 0. The method involves introducing a new variable, λ (the Lagrange multiplier), and studying the Lagrange function L(x, y, …, λ) = f(x, y, …) – λ(g(x, y, …) – c). We then find the stationary points of L by solving the system of equations given by the partial derivatives of L with respect to all variables (including λ) being equal to zero. These points give the candidates for the extrema of f subject to the constraint g.
How do you solve for x in a linear equation like 2x + 5 = 15?
How do you solve for x in a linear equation like 2x + 5 = 15?To solve the linear equation 2x + 5 = 15, first subtract 5 from both sides to get 2x = 10. Then, divide both sides by 2 to isolate x, resulting in x = 5.
What is the difference between the derivative and the integral of a function?
What is the difference between the derivative and the integral of a function?The derivative of a function measures the rate at which the function’s value changes with respect to a change in its input value, often interpreted as the slope of the function. The integral of a function, on the other hand, measures the total accumulation of the function’s values over an interval, often interpreted as the area under the curve of the function. While the derivative focuses on local behavior and instantaneous rates of change, the integral focuses on global behavior and cumulative quantities.
How do you find the limit of a function as it approaches a particular value using L’Hopital’s Rule when the direct substitution gives an indeterminate form?
How do you find the limit of a function as it approaches a particular value using L’Hopital’s Rule when the direct substitution gives an indeterminate form?To find the limit of a function as it approaches a particular value using L’Hopital’s Rule, first verify the limit results in an indeterminate form like 0/0 or ∞/∞. Then, differentiate the numerator and the denominator separately and compute the limit of the resulting function. Repeat if necessary until the indeterminate form is resolved.
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