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grin007 [14]
3 years ago
10

Draw a graph of direct proportion, expressed by the formula: y=3x

Mathematics
1 answer:
Natalka [10]3 years ago
8 0

<em>A</em><em>n</em><em>s</em><em>w</em><em>e</em><em>r</em><em>.</em>

<em>A</em><em>N</em><em>S</em><em>W</em><em>E</em><em>R</em>

<em>.</em><em>.</em><em>.</em><em>.</em><em>.</em><em>.</em><em>.</em>

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The variable z is directly proportional to x, and inversely proportional to y. When x is 20 and y is 6, z has the value 66.66666
sergejj [24]

Answer:

41.667 to the nearest thousandth.

Step-by-step explanation:

z = kx/y where k is the constant of proportionality.

Inserting the given values:

66.666666666667 = k*20/6

20k = 6*66.666666666667

k = 6*66.666666666667 / 20

=  20

So the equation of variation is z = 20x /y

When x = 25 and y = 12:

z = 20*25/12

= 41.666666666667.

6 0
3 years ago
In the equation y = 1.9x, 1.9 represents the constant of proportionality Find the constant of proportionality for the ratio 2/5
Rasek [7]
The answer for this question is 0.76

Hope this helped
6 0
3 years ago
Enter the sum of numbers as a product of their GCF.75 + 90
Semmy [17]
The gcf of the numbers are 15
5 0
3 years ago
X= 3 is not a solution to 12 + x = 16 Why not?
Inga [223]
Because 12 + 3 is not equal to 16...
4 0
3 years ago
Read 2 more answers
State whether the given equation or function is linear. Write yes or no. Explain your reasoning. f(x) = 7x2 + 4
vagabundo [1.1K]

For this case we have the following function:

f (x) = 7x ^ 2 + 4

By definition, we have that a linear equation is of the form y = mx + b

On the other hand, a quadratic equation is of the formy = ax ^ 2 + bx + c

Then, the given equation is not a linear equation, it is not of the form y = mx + b

Answer:

No, the equation is not linear. It is not of the form f (x) = mx + b.

4 0
3 years ago
Read 2 more answers
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