Mathematics, 29.03.2021 23:40, cogger9348
Sachi has 238 rocks in her collection. She finds 47 more rocks. Then she gives 159 rocks to her brother. She solves this equation 238 + 47 – 159 = r.
She says, “I have 126 rocks left.”
1. Is Sachi’s answer reasonable?
2. How do you know?
3. Use estimation to check her work.
Show your work. There are three parts to your answer. Be sure to share your estimation strategy.
Answers: 3
Mathematics, 22.06.2019 01:30, zariah10191101
What is the remainder when 3x^2-x-10 is divided by x-1 -6,-7,-8, or -9
Answers: 1
Mathematics, 22.06.2019 01:30, musfirahkhurram
Sara is flying a kite at the park. the angle of elevation from sara to kite in the sky is 53° and the length of the string is 32 feet. of sara is 5 feet tall how far off the ground is the kite
Answers: 1
Sachi has 238 rocks in her collection. She finds 47 more rocks. Then she gives 159 rocks to her brot...
History, 21.06.2019 22:30
History, 21.06.2019 22:30
Mathematics, 21.06.2019 22:30
Mathematics, 21.06.2019 22:30
Mathematics, 21.06.2019 22:30
Biology, 21.06.2019 22:30