Help me 7th grade work here
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Answers: 2
Mathematics, 21.06.2019 14:30
Simonne used the following steps to simplify the given expression. 12 - 3(-2x + 4) step 1: 12 + (โ3)ยท(โ2x) + (โ3)ยท(4) step 2: 12 + 6x + (โ12) step 3: 12 + (โ12) + 6x step 4: 0 + 6x step 5: 6x what property of real numbers was used to transition from step 3 to step 4? a. identity property of addition b. inverse property of addition c. associative property of addition d. commutative property of addition
Answers: 1
Mathematics, 21.06.2019 15:00
Use addition and subtraction to simplify the following polynomials. a. add polynomials: (3 โ 4x + 8x^2) + (โ6 + 2x โ 5x^2) step 1: rewrite the polynomials without the parentheses. step 2: write the polynomial in descending order and use parentheses around like terms. step 3: add the like terms identified in step 2 to simplify the polynomial. b. subtract polynomials: (3x โ 5 โ 7x^2) โ (โ2 + 6x^2 โ 5x) step 1: rewrite the polynomials without the parentheses. remember to multiply each term in the second parentheses by โ1. show your work. step 2: write the polynomial in descending order and use parentheses around like terms. step 3: add the like terms identified in step 2 to simplify the polynomial.
Answers: 3
Mathematics, 21.06.2019 16:00
Trish receives $450 on the first of each month. josh receives $450 on the last day of each month. both trish and josh will receive payments for next four years. at a discount rate of 9.5 percent, what is the difference in the present value of these two sets of payments?
Answers: 1
Mathematics, 16.09.2020 06:01
Mathematics, 16.09.2020 06:01
Mathematics, 16.09.2020 06:01
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Mathematics, 16.09.2020 06:01
Mathematics, 16.09.2020 06:01
Mathematics, 16.09.2020 06:01
Mathematics, 16.09.2020 06:01
Mathematics, 16.09.2020 06:01
Mathematics, 16.09.2020 06:01
Mathematics, 16.09.2020 06:01
Mathematics, 16.09.2020 06:01
Mathematics, 16.09.2020 06:01
Mathematics, 16.09.2020 06:01
Mathematics, 16.09.2020 06:01