What is 2b + 3c + 5b ?
2 answers:
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<h3>The constant of variation is 
</h3><h3>The equation is 
</h3>
<em><u>Solution:</u></em>
Given that,
The conversion of square feet to square yards can be represented by direct variation
Let y represent the number of square yards
Let x be the number of square feet
y = kx ------ eqn 1
Where, "k" is the constant of variation
Three square yards are equivalent to 27 square feet
Substitute, y = 3 and x = 27 in eqn 1
Thus the constant of variation is
<em><u>What is the equation representing the direct variation?</u></em>
Substitute k = 1/9 in eqn 1
Thus the equation is found
The nearest whole number the diameter of the circle is 5.0 cm.
<u>Given the following data:</u>
- Circumference of a circle = 15.4 cm
To estimate to the nearest whole number the diameter of the circle:
In this exercise, you're required to solve for the diameter of a circle and round up its value to the nearest whole number.
<h3>How to calculate the circumference of a circle.</h3>Mathematically, the circumference of a circle is given by the formula:
<u>Where:</u>
- D is the diameter of a circle.
Making D the subject of formula, we have:
Substituting the given parameters into the formula, we have;
D = 4.90 cm
To the nearest whole number:
D = 4.90 ≈ 5.0 cm
Read more on circumference of a circle here: brainly.com/question/14478195