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montgomerykarloxc24x
13.12.2020 •
Mathematics
Answer two questions about Equations A and B:
A. 5x – 2 + x= x- 4
B.5x+ x= x- 4
1) How can we get Equation B from Equation A?
Choose 1
A)Add/subtract a quantity to/from only one side
B)Add/subtract the same quantity to/from both sides
C)Rewrite one side (or both) using the distributive property
D)Rewrite one side (or both) by combining like terms
2)Based on the previous answer are the equations equivalent? In other words, do they have the same solution
A)yes
B)no
Solved
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Ответ:
A and D
Are the more likely options to apply
Ответ:
Shania is correct.
Step-by-step explanation:
For a right angled triangle, given two sides and an angle, we can use the sine rule or the various trigonometry identities to solve the triangle;
a/sin A = b/sinB
and
sin (angle) = opposite side/hypotenuse
cos (angle) = adjacent side/hypotenuse
tan (angle) = opposite/ adjacent
assuming a is the opposite side of angle A and b is also opposite of angle B
Otherwise, the only way to solve a triangle given two sides only is by the use of the Pythagoras theorem.
Hence, Shania is correct.