Mrs. cho wrote the following problem on the board. what should mrs. cho do next? find a common denominator for the two fractions. divide the numerator and denominator of the first fraction by x2 and y. multiply the numerators, multiply the denominators, and then simplify. multiply the first fraction by the reciprocal of the second fraction.

The answer is:  Multiply the numerators, multiply the denominators, and then simplify.

Let's discard each given option in order to find the correct one.

Find a common denominator for the two fractions:

Incorrect, there Mrs. Cho does not need to find a common denominator since it's a fraction multiplication. We find common denominators when we are doing additions or subtractions of fractions.

Divide the numerator and denominator of the first fraction by x2 and y:

Incorrect, Mrs. Cho does not need to divide the numerator and denominator of the first fraction by x2 and y, doing that would not help at all, it's a useless step.

Multiply the numerators, multiply the denominators, and then simplify:

Correct, Mrs. Cho should multiply and then, simplify the result:

As we can see,the fraction is simplified because the first fraction numerator and the second fraction denominator are equal.

Multiply the first fraction by the reciprocal of the second fraction:

Incorrect, Mrs. Cho does not need to multiply the first fraction by the reciprocal of the second fraction since it's not a fraction division.

Have a nice day!

step-by-step explanation:

4227473658779875563886538705958641728563470543621287463824132573847969p05749365273847906970680574936214

answer: c, the green line

step-by-step explanation:

there is no black line, eliminate b.

simple interest implies periodic payments, but the red line shows no payments, eliminate d.

simple interest has equal payments. if paid say every day, the graph is about a straight line (actually a stairstep).

the yellow line is not straight, eliminate a.

check: the green line is straight, answer is c.

simple interest with positive interest rate gives a straight line sloping up to the right. green line:

g(t) = $100 + ($200-$100) ÷ (20 years) × (t years)

= $100 + (4%/year) × ($100)(t years)

incidentally, the yellow line curving upward represents continuously compounded interest

y = $100 × 2^(t years / (14 assuming the yellow line hits $200 at 14 years. 2^0 is 1, so y(0) = $100; 2^(14/14) is 2, so y(14) = $200.