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What does the math term justify mean?
Justify simply means to show how you can change the way the problem is set up. Example: 9(4x + 5) + 4(2x + 9) = 44x + 81 Distributive Property would be the answer. You have to name the property you that is used to make the sentence true.
How do you prove the distributive law?
The distributive law states that a*(b+c) = ab + ac for any real numbers a, b, and c. To prove this, you can use the properties of real numbers and basic algebraic manipulations. One common approach is to start with the left side of the equation, expand it using the distributive property of multiplication over addition, and then simplify both sides to show that they are equal.
How distributive and commutative properties can be used to show that two or more expressions are equivalent?
distributive is just a longer way to show the equation and commutative is the numbers combined. Example: 4(5+x) is the distibutive and the equal equation that is commutative is 20+4x
How do you use the distributive property and the commutative property to show that 2d plus 4v-3d equals 5v-d?
With a huge amount of difficulty because, as an identity, the equation is false. For example, let d = 1 and v = 1. The equation would then imply that 2 + 4 - 3 = 5 - 1 or 3 = 4 which is patently false.
What is 90 divided by 9 show work?
10
