Your friend thinks that the equation k-3.5 = 21 is a true statement. Is your friend correct? Explain.

he is not correct because k could be equal to any whole number

there fore no matter what number you subtract 3.5 from it couldnt be a whole number (that includes 21)

step-by-step explanation:

the multiplicative inverse of a fraction a/b is b/a. for the multiplicative inverse of a real number, divide 1 by the number. for example, the reciprocal of 5 is one fifth 1/5 or 0.2, and the reciprocal of 0.25 is 1 divided by 0.25, or 4.

in problems involving proportions, we can use cross products to test whether two ratios are equal and form a proportion. to find the cross products of a proportion, we multiply the outer terms, called the extremes, and the middle terms, called the means.

hope it