ReIm notation

Related math problems and questions:

• Add fractions
  
  
  Add/subtract the following similar fraction. Express the answer in the lowest terms if possible. Write your answer inside the box: 5/12 + 6/12
• Linear combination of complex
  
  
  If z1=5+3i and z2=4-2i, write the following in the form a+bi a) 4z1+6z2 b) z1*z2
• Evaluate 17
  
  
  Evaluate 2x+6y when x=- 4/5 and y=1/3. Write your answer as a fraction or mixed number in the simplest form.
• Evaluate 18
  
  
  Evaluate the expression (-4-7i)-(-6-9i) and write the result in the form a+bi (Real + i* Imaginary).
• Series
  
  
  Your task is to express the sum of the following arithmetic series for n = 14: S(n) = 11 + 13 + 15 + 17 + … + 2n+9 + 2n+11
• Slope form
  
  
  Find the equation of a line given the point X(8, 1) and slope -2.8. Arrange your answer in the form y = ax + b, where a, and b are the constants.
• Expanded form
  
  
  What is the expanded form of 0.21?
• Eq2 equations
  
  
  For each of the following problems, determine the roots of the equation. Given the roots, sketch the graph and explain how your sketch matches the roots given and the form of the equation: g(x)=36x²-12x+5 h(x)=x²-4x+20 f(x)=4x²-24x+45 p(x)=9x²-36x+40 g(x)
• A farm 6
  
  
  A farm has 20 animals. There are four chickens. What fraction of the animals are chickens? Express your answer as a fraction in the simplest form.
• Evaluate 27
  
  
  Evaluate the expression shown below and write your answer as a fraction in the simplest form. (8)/(3)+ (11)/(12)
• Standard form
  
  
  What is this number in standard form? (8×10)+(2×1100)+(9×11,000) Enter your answer in the box.
• ABS, ARG, CONJ, RECIPROCAL
  
  
  Let z=-√2-√2i where i2 = -1. Find |z|, arg(z), z* (where * indicates the complex conjugate), and (1/z). Where appropriate, write your answers in the form a + i b, where both a and b are real numbers. Indicate the positions of z, z*, and (1/z) on an Argand
• Simplify 9
  
  
  Simplify and express the result as a rational number in its simplest form 1/2+ 1/5+ 6.25+0.25
• Conjugate equation
  
  
  Find the numbers of a and b; if (a – bi) (3 + 5i) is the Conjugate of (-6 – 24i)
• Solve 6
  
  
  Solve the following equations: x + 2y – z = 3 3x + 4y + z = 5 3x – y – z = 5
• Vector equation
  
  
  Let’s v = (1, 2, 1), u = (0, -1, 3) and w = (1, 0, 7) . Solve the vector equation c1 v + c2 u + c3 w = 0 for variables c1 c2, c3 and decide weather v, u and w are linear dependent or independent
• Anna uses
  
  
  Anna uses 8.1 pints of white and blue paint to paint her bedroom walls. 4/5 of this amount is white paint, and the rest is blue paint. How many pints of blue paint did she use to paint her bedroom walls? Express your answer in fraction and decimal form. S