The weight that a horizontal beam can support varies as the length of the beam suppose that a 2m beam can support 410kg how many
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To solve this proportion, cross multiply.
By cross multiplying, you will multiply 2.75 * (2/9) and 9 * x.
0.61 = 9x
Divide both sides by 9.
x = 0.067... which rounds to 0.068, so your answer is:
D) x 0.068
Multiply both sides of the equation by 20, the lowest common denominator of 5,4,2.
Add 4 and 3 to get 7.
Use the distributive property to multiply −4 times x 4/7.
Multiply −4 by 4/7.
Add 7 to both sides.
Divide both sides by −4.
The fraction can be simplified to
by removing the negative sign from the numerator and denominator.
simplify