th0master09
th0master09 th0master09
  • 03-05-2016
  • Mathematics
contestada

From the set {1, 3, 5}, use substitution to determine which value of x makes the equation true.
20 - 2x = 10
5
1
3
none of these

Respuesta :

apologiabiology
apologiabiology apologiabiology
  • 03-05-2016
{1,3,5}
ie, sub 1, 3 and 5 for x and see which one is true

20-2(1)=10
20-2=10
18=10
false

20-2(3)=10
20-6=10
14=10
false

20-2(5)=10
20-10=10
10=10

true

answer is 5
Answer Link

Otras preguntas

Sofia still lives at home, but helps with the rent paying $200 per month. She has a job that pays about $700 per month after taxes. She has to pay for her own p
if x^2=40, what is the value of x?
HELP MEEE RNNNNNNNNNNNNN
What is the definition of Mutualism
Each student of a class contributed as many 5 paise as the number of students in the class. Find the number of students if the total collection was 101.25.
in the hobbit How does Bilbo plan to stop a war from starting? How well does it work?
Tan(theta)= -1 Part1. Write an equation that expresses the value of theta in terms of an appropriate inverse trigonometric expression Part2. On the interval [0
Solve 5r2 – 12 = 68. {±4} {±5} {±3} {±6}
All new bills are given a letter and number code; following their coding, they are then __________ to committees for closer inspection.
Suppose △JMN≅△KQR . Which congruency statements are true? Select each correct answer. NJ¯¯¯¯¯≅KQ¯¯¯¯¯¯ ∠M≅∠Q ∠N≅∠M QK¯¯¯¯¯¯≅MJ¯¯¯¯¯¯ ∠R≅∠K MN¯¯¯¯¯¯¯≅QR¯¯¯¯¯