1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
My name is Ann [436]
3 years ago
8

Solve by factoring or finding square roots x^2-18x-40=0

Mathematics
2 answers:
irina1246 [14]3 years ago
8 0

Answer:

Step-by-step explanation:

podryga [215]3 years ago
7 0

Answer:x=-2 or x=20

Step-by-step explanation:

X^2-18x-40=0

X^2+2x-20x-40=0

X(x+2)-20(x+2)=0

(X+2)(x-20)=0

X+2=0 or x-20=0

X=-2 or x=20

You might be interested in
Find the area of a parallelogram if a base and corresponding altitude have the indicated lengths. Base 1 1/2 feet, altitude 6 in
Butoxors [25]
Area of a parallelogram = A =base*height

so in this case is just (1½)(6).

first off let's convert the mixed fraction to "improper",

\bf \stackrel{mixed}{1\frac{1}{2}}\implies \cfrac{1\cdot 2+1}{2}\implies \stackrel{improper}{\cfrac{3}{2}}
\\\\\\
\cfrac{3}{2}\cdot 6\implies \cfrac{18}{2}\implies 9
3 0
3 years ago
Read 2 more answers
Is 2/3 equivalent to 1/3 if it isn't then which is bigger plz help and will give a thanks
lina2011 [118]
Compare the enumerators because they have the same denominator. 2 is large than 1 so 2/3 is larger than 1/3

Hope this helps!
7 0
3 years ago
Read 2 more answers
What is the solution for the inequality y > |2x-3| +1?
liubo4ka [24]
1/2x-3................
5 0
3 years ago
I don't understand this
babunello [35]
Its DBC, cause two is in that point so you just find the answer choice with those three letters in the right order.
7 0
3 years ago
Read 2 more answers
Identifying the coefficients and constant of a quadratic function
patriot [66]
Im not sure if this really helps but I hope it does

6 0
3 years ago
Other questions:
  • Find the slope of the line though each pair of points
    11·1 answer
  • EXPERTS/ACE/GENIUSES PLZ HELP
    11·1 answer
  • <img src="https://tex.z-dn.net/?f=%282bsqrt4%29%20%5Csqrt%7B%20-%201%7D%20" id="TexFormula1" title="(2bsqrt4) \sqrt{ - 1} " alt=
    9·1 answer
  • 100 POINTS<br><br>Find the first five terms of the recursive sequence<br><br>An=-6An-1 where A1=4.5
    8·2 answers
  • What is the simplest form 33/88
    9·2 answers
  • If y = 14 when x = 8, find y when x = 12
    11·1 answer
  • Bernie has to write a report. He will write 3/8 of the report on Monday and 1/3 of the report on Tuesday. How much of the report
    6·1 answer
  • Si sen A = 7/25 donde "A" pertenece al segundo cuadrante y el cos B = -4/5 donde "B" pertenece al segundo cuadrante Calcular cos
    13·1 answer
  • Help answer key are at the bottom ?
    10·1 answer
  • PLEASE HELP!! What is the inverse of f(x) = (5x + 2)² for x ≥ -2/5​
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!