Answer:
class B
Step-by-step explanation:
Answer:
Direct proportional graphs <u>do not</u> need to start from the origin.
Step-by-step explanation:
Direct proportional graphs do not need to start from the origin. However, <u><em>all </em></u>direct proportional graphs <u>must</u><u> </u><u>go through</u> the origin.
Regardless of the value of the <u>constant of proportionality</u>, <em>k</em>, the graph of the lines all go through the point of origin, (0, 0).
As a proof, the attached screenshot shows the graph of three equations of direct variations. The graphed direct variation equations, y = 2x, y = -2x, and y = ¼x all <u>go through the point of origin.</u>
The given equation, a = (2b + 10) / 6, solved for b is b = 3a - 5
<h3>Solving an equation for a variable</h3>
From the question, we are to solve the given equation for b.
From the given information,
The given question is
a = (2b + 10) / 6
Now, to solve the given equation for b, we will make b the subject of the relation.
Solving the equation for b
a = (2b + 10) / 6
Multiply both sides of the equation by 6
6 × a = 6 × (2b + 10) / 6
6a = 2b + 10
Subtract 10 from both sides of the equation
6a - 10 = 2b + 10 - 10
6a - 10 = 2b
Divide through by 2
6a/2 - 10/2 = 2b/2
3a - 5 = b
Therefore,
b = 3a - 5
Hence, the equation solved for b is b = 3a - 5
Learn more on Solving an equation for a variable here: brainly.com/question/19041791
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Answer:
help with what? what is your q u e s t i o n
Step-by-step explanation:
Answer:
10 root 2
Step-by-step explanation:
Refer to attachment.
<em>Hope</em><em> </em><em>it</em><em> </em><em>helps</em><em>.</em>