Write equations that correspond to a mental method for calculating the sum below. State specifically which properties of addition were used (if any), and where. 99 + 10 + 301

Q: |Braden makes a chip model for -3 x -4 = 12 which looks like the drawing on the left. He used O for…

A: Given: Braden makes a chip model for -3×-4=12 which looks like the drawingon the left. He used ⊕for…

Q: Explain why in any digraph, the sum of all the in-degrees must equal the sum of the out-degrees.

A: To prove, the sum of all the in-degrees must equal to the sum of all out-degrees. In-degree of a…

Q: Write an algebraic expression for "the sum of 6 and the quotient of 8 and a number m."

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Q: Find the value of the expression (1+i)20

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Q: Evaluate the combination. C(44,22)

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Q: Find the decimal value for the expression below 3 II i=1 1+i 2

A: i=1 to 3

Q: identify the values of the variable √/4-x

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Q: Evaluate the combination. C(39,30) C(39,30) =| (Use scientific notation. Round to three decimal…

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Q: x2 + 6x + 5 x2 – 16 Simplify: x2 + 5x + 4 x2 + 3x – 10

A: Since you have asked multiple question, we will solve the first question for you. If youwant any…

Q: Identify the terms, coefficients, and constants in the expression  9h+1

A: The objective of the question is to identify the terms, coefficients, and constants in the given…

Q: Use the numbers 5 and 4 to illustrate the commutative property of multiplication.

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Q: Evaluate the combination. C(38,22)

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Q: 13 12

A: Given that, the right triangle whose base is, b =12, and hypotenuse, h = 13.