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How to solve equations with calculator
I'm not sure which calculator you are using, but the website desmos.com can be used as an online calculator. You would enter the two lines and where they intersect, it will tell you the coordinates.
Doing it manually, you could use the elimination or substitution method.
By the elimination method:
x + y = 7 (1)
x + 2y = 11 (2)
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0 - y = -4 subtracting (2) from (1)
y = 4
Substituting into (1) x + 4 = 7
x = 3 After subtracting 4 from both sides
Checking in the second equation
LS RS
3 + 2 (4) 11
3 + 8 11
11 11
LS = RS
QED
Good luck,
Paul
3/10/2018 4:19:05 AM •
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Answered
on Mar 10, 2018
What is social studis
Hello, Haidu -
The term "social studies" is common in United States elementary and secondary education. The term refers to the study of the integration of social sciences (sociology, anthropology, economics, political science, psychology, human geography, etc.) and humanities (history, languages, philosophy, literature, religious studies, geography, etc.)
Best wishes.
3/9/2018 4:15:08 PM •
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Answered
on Mar 09, 2018
Charecteristics of the plants kingdom include
Plantae is the plant kingdom which includes all plants on the earth. They are multi-cellular eukaryotes. They consist of cell walls and chlorophyll. Plants are photosynthetic. Hence, they have an autotrophic mode of nutrition. The plant kingdom is a vast group; therefore, the kingdom is further classified into subgroups. Level of classification is based on the following three criteria:
- Plant body- whether the body has well-differentiated structures or not.
- Vascular system-whether the plant has vascular system for transportation of substances or not
- Seed formation- whether the plant bears flowers and seeds or not; if it does, then whether it is enclosed within fruits or not.
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3/7/2018 2:35:02 PM •
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Answered
on Mar 07, 2018
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