Claire99 Claire99

20-10-2014
Mathematics

contestada

What multiplies to make -10 and adds to make 11?

Respuesta :

cjbuckleyuk cjbuckleyuk

20-10-2014

[tex]xy=-10[/tex]
[tex]x+y=11[/tex]
Rearrange and substitute
[tex]y=11-x[/tex]
[tex]x(11-x)=-10[/tex]
[tex] -x^{2} +11x+10=0[/tex]
[tex](-x+10)(x-1)[/tex]
[tex]x=1or,x=-10[/tex]
substitute 1 and -10 in for x to find y

Answer Link

Otras preguntas

What is the equation of the graph

The 47th Annual PDK/Gallup Poll of the Public’s Attitudes toward the Public Schools, conducted in May 2015, sampled 4,500 adult Americans and found that 64% fee

PLEASE HELP FAST!! WILL GIVE FIRST PERSON THAT RESPONDS A HIGH RATING AND POINTS!

In a die game, you roll a standard 6-sided die twice. If the second number rolled is the same as the first number rolled, you win $25. Otherwise, you lose $2. I

henever Valerie experiences intense feelings of fear, she is more likely to remember childhood memories of her abusive parents. Valerie's experience best illust

Describe the domain and range of the graph

A spring whose stiffness is 3500 N/m is used to launch a 4 kg block straight up in the classroom. The spring is initially compressed 0.2 m, and the block is ini

Pettygrove Company had 800,000 shares of $10 par value common stock outstanding. The amount of additional paid-in capital is $4,000,000, and Retained Earnings i

For anything to be considered money it must be Group of answer choices either a commodity or a token, as long as it is generally accepted as a means of payment.

A train is traveling at a speed of 60 miles per hour. What happens to the number of miles when the number of hours changes? Abebe babe