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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
What are some 6th grade math terms?
Dodecahedron= A polyhedron with 12 faces Corresponding= Having the same relative position in similar or congruent figures. Commutative Property= A property at addition and multiplication that says that changing the order of the numbers being added or multiplied dose not change the answer. Truncate= In a decimal, to cut off all digits after the decimal point. Tetrahedron= A polyhedron with 4 faces Addition= Common math problems in which studies show that most 6th graders don't understand as well as multiplication. Subtraction= When the bottem number of a subtraction problem is subtracted from the top number.
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.
How do you pass subtraction in xtramath?
Well, when you're working on subtraction in xtramath, it's important to take your time and focus on each problem carefully. Remember, subtraction is like taking things away, so you'll want to look at the numbers and see how much you need to remove. Don't worry if you make a mistake, just keep practicing and you'll get better with each try. Just believe in yourself and keep a positive attitude, and you'll do great!
Are the cross products of a proportion equal?
Yes, here's how you can show it, for the equivalent proportions a/b & (n*a)/(n*b): a na -=-- b nb Cross multiply: a*n*b ? b*n*a. Because multiplication is commutative, the question mark is an equal sign.
