In each pair, tell if the fractions are equal by using cross multiplication.
a. 5/30 and 1/6
b.4/12 and 21/60
c. 17/34 and 41/82
d. 6/9 and 25/36

a. 5/30 and 1/6 ---> are equal

b.4/12 and 21/60 ---> are not equal

c. 17/34 and 41/82 ---> are equal

d. 6/9 and 25/36 ---> are not equal

Step-by-step explanation:

case a) we have  5/30 and 1/6

equate the fractions

using cross multiplication

----> is true

therefore

The fractions are equal

case b) we have  4/12 and 21/60

equate the fractions

using cross multiplication

----> is not true

therefore

The fractions are not equal

case c) we have  17/34 and 41/82

equate the fractions

using cross multiplication

----> is true

therefore

The fractions are equal

case d) we have  6/9 and 25/36

equate the fractions

using cross multiplication

----> is not true

therefore

The fractions are not equal

a. The fractions are equal.

b. The fractions are not equal

c. The fractions are equal.

d. The fractions are not equal

Step-by-step explanation:

By definition, equivalent fractions have the same value, but they look different.

In order to verify if two fractions are equivalent, you can use Cross multiplication.

The procedure is: multiply the numerator of the first fraction by the denominator of the second fraction, and the numerator of the second fraction by the denominator of the first fraction.

Then:

a complex number is a number that can be expressed in the form a + bi, where a and b are real numbers, and i is a solution of the equation x2 = −1. because no real number satisfies this equation, i is called an imaginary number. has no real solution, since the square of a real number cannot be negative.