WebMay 1, 2024 · Answer. Example 2.3.6: evaluate. Evaluate 2x2 + 3x + 8 when x = 4. Solution. We need to be careful when an expression has a variable with an exponent. In this expression, 2x2 means 2 • x • x and is different from the expression (2x)2, which means 2x • 2x. 2x2 + 3x + 8. Substitute 4 for each x. 2(4)2 + 3(4) + 8. Webon Apr 10, 2024 at 10:13 pm. You asked: Evaluate the expression: \(3 \cdot \left(5 x - 2 y - 5 z\right)\) MathBot Answer: Expanded \[3 \cdot \left(5 x - 2 y - 5 z\right) = 15 x - 6 y - 15 z\] viewed 2 times. asked 2 minutes ago. active 2 minutes ago.
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WebSep 28, 2024 · Evaluate the expression n + 16 if n = -5. a 11 b −11 c 21 d −21 question 3 3. Evaluate the expression 2 x – 6 y if x 1. evaluate exactly square root 100- square … WebAn operand can be either a literal value or a variable that references an object: >>>. >>> a = 10 >>> b = 20 >>> a + b - 5 25. A sequence of operands and operators, like a + b - 5, is called an expression. Python supports many operators for combining data objects into expressions. These are explored below. chucky in shameless
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WebSep 18, 2024 · x=10. y=-2. z=-5. Note that we only need the values of x and y to evaluate the unknow fraction. By substituting the values of x and y, we have. x/y = 10/-2 = -5. Therefore, the answer is -5. Explanation: I hope this will be helpful to you . mark this ans as brainlist and I will follow you . thankyou WebAfter substitutions expression is evaluated using Mathematical calculator. Thus, like in math calculator, you may use . Constants: pi, e. Operation signs: + - addition-- subtraction* - multiplication / - division ^ - power Functions: sqrt - square root rootn - nth root, e.g. root3(x) - cube root exp - exponential function lb - binary logarithm ( base 2 ) lg - decimal … WebMar 10, 2024 · -7 >"substitute the given values into the expression" rArrxy-z =(color(red)(-2)xxcolor(blue)(3))-color(magenta)(1) =-6-1=-7. Algebra . ... How do you evaluate xy - z, when x = -2, y = 3 and z = 1? Algebra Expressions, Equations, and Functions Variable Expressions. 2 Answers Jim G. Mar 10, 2024 destiny 2 disgraced bracus edz location