Provide an appropriate response.Explain the distinction between ratio and proportion. Give examples.

What will be an ideal response?

Answers will vary. A ratio is a comparison, whereas a proportion is a statement that two ratios are equal. For example,  is a ratio and  =  is a proportion.

Mathematics

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Divide.(8r4 + 12r3 - 2r) ÷ (2r2 + r)

A. 4r2 + 4r - 
B. 4r2 + 4r - 2
C. 4r2 + 8r + 4 + 
D. 4r2 + 6r - 

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Mathematics

Provide an appropriate response.Is it possible or not possible to set up a one-to-one correspondence between {0, 6, 9, 19} and {6, 9, 19}?

A. Not possible B. Possible

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Mathematics

Write a numerical expression for the phrase and simplify it.Twice the product of -5 and -7, subtracted from 9

A. (9)(2)(-5)(-7); 630 B. (9 - 2)(-5 ? -7); 245 C. (9)(2)(-5 + 7); 36 D. 9 - 2(-5 ? -7); -61

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Mathematics

Solve the equation.0.028(500) + 0.07x = 0.04(500 + x)

A. {190} B. {210} C. {200} D. {100}

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Mathematics