abdinasir122 abdinasir122

13-12-2016
Mathematics

contestada

when kara and Lauren add their ages, the sum is 20 when they multiply their ages, the product is 99 what is difference in their ages?

Respuesta :

MathisLif3 MathisLif3

13-12-2016

x+y=20
xy=99
Let a+b be denoted a,b
20 = 1,19 2,18 3,17 4,16 5,15, 6,14 7,13 8,12 (9,11) ..Stop
99=3^2*11
Thus the ages are 11 and 9 with a difference of 2.

Answer Link

Otras preguntas

When using the indirect method to prepare the operating activities section of the statement of cash flows, the first amount listed is:.

Help help help help math math

What was the key point of the policy of containment?.

Find the (LCD) 5/6 and 11/8

I know the answer I just need to know how to solve it. The highlighted is the answer.

The manager of a restaurant chain wants to know how many times per month diners come to his restaurant. The table shows the number of visits in one month for th

PLEASE :(, 25 points! The cost of tuition at a community college is $12,000 per academic year. Alejandro is eligible for $7,500 in financial aid, and he will sa

Delta math: Angle Terminology with Equations

When buyers will purchase exactly as much as sellers are willing to sell, what is the condition that has been reached?.

The Canvas Camping Company makes canvas tents like the one shown. How much material is needed to make the tent?