Mathematics, 09.02.2021 21:20 sanchez626
Sally said that when you add or subtract positive or negative decimals, you can change the order of the decimals and still get the same answer. Use these decimals to answer the questions: 6.2 , 5.71, 3.96 , 2.84 (a) Is Sally’s statement always true, sometimes true, or always false? Write two pairs of equations using addition and two pairs of equations using subtraction to support your answer. (b) Write a rule about changing the order of the numbers in adding and in subtracting positive and negative decimals. (c) Is Sally’s statement true for addition and subtraction of three positive or negative decimals? Write two pairs of equations (one pair for addition, and one pair for subtraction) that support your answer.
Answers: 2
Mathematics, 21.06.2019 15:30
Will mark brainliest if you answer ! the taco shop sold 198 lunches friday. this number is 3 more than 3 times the number they sold monday. let n represent the number of lunches sold monday. which equation shows an equality between two different ways of expressing the number of lunches sold on friday? a. n – 3 = 198 b. 3n – 3 = 198 c. 3n + 3 = 198 d. n + 3 = 198
Answers: 1
Mathematics, 22.06.2019 01:50
Leonardo wrote an equation that has an infinite number of solutions. one of the terms in leonardo’s equation is missing, as shown below.
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Mathematics, 22.06.2019 05:50
Which method would you use to prove that the two triangles are congruent?
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Sally said that when you add or subtract positive or negative decimals, you can change the order of...
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