leawood420 leawood420

03-05-2018
Mathematics

contestada

What number must you add to complete the square x^2+20x=33

Respuesta :

kayeecheng2102p3s8sa kayeecheng2102p3s8sa

03-05-2018

x²+20x-33=0
x²+2(10) (x) +10²-10 ²-33=0
(x+10) ²=133
x+10=±√133

Answer Link

Otras preguntas

balanced equation of CuCo3+ HCl

What is the fourth term of ( 3x + y ) ^4

What is 840 divided by 11???

What percentage of the circle is shaded? * Between 0 and 25% Between 25% and 50% Between 50% and 75% Between 75% and 100% 1 point

6. A train accelerates from rest with an acceleration of 4 m/s2 for a time of 20 s. What is the train’s speed at the end of 20 s? (A) 0.25 m/s (B) 4 m/s (C) 2.5

PLEASE HELP FRENCH (no spam answers please) To help you in your French class this year, you decided to get a French penpal to help you learn our new words! In F

When Faith takes tests, she often gets anxious about which questions she'll be asked to answer. How can she reduce this anxiety during tests? Should she take

Write out at least three steps on how you solve for side AB

Which absorbs water faster? (Silk or cotton or wool or nylon)

What is the gradient of the line