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

This 35-year-old temale patient was driver involved in an automobile accident when she was rear- ended by another car on the interstate highway. She was seen in

The length of a golden rectangle is 20 feet. Find the area of the rectangle to the nearest square foot.

Define loadsheadding

leaders who are motivated by greed subjects their citizens to suffering.write an essay in support of this statement with reference to John Lara's play the Samar

0.5.02 A Native Dilema

I’m not quite sure what’s wrong with my set up. I’m trying to set up a a circuit in combination of both parallel and series. The guidelines are must be powere

What i have learned observed your community,. What do you think is trending today? Why do so say so?

6. Busca el radio del círculo cuya cxircunferencia mide 88 cm.

What else would need to be congruent to show that AABC AXYZ by ASA? B A A. BC = YZ B. ZC=ZZ C. AC = XZ D. 28=ZY Given: ZA=4X C Z X

According to Heisenberg uncertainty principle the more accurately you know the__________ of a small particle, such as an electron, the less you know about its__