lisawardle46
lisawardle46
14-09-2015
Mathematics
contestada
-3r+15≥4(r-2) please help me
Respuesta :
Panoyin
Panoyin
14-09-2015
-3r + 15 ≥ 4(r - 2)
-3r + 15 ≥ 4(r) - 4(2)
-3r + 15 ≥ 4r - 8
+ 3r + 3r
15 ≥ 7r - 8
+ 8 + 8
23 ≥ 7r
7 7
3²/₇ ≥ r
r ≤ 3²/₇
Solution Set: x ∈ (-∞, 3²/₇]
Answer Link
Аноним
Аноним
14-09-2015
−3r+15≥4r−8
Subtract 4r from both sides.
−3r+15−4r≥4r−8−4r
−7r+15≥−8
Subtract 15 from both sides.
−7r+15−15≥−8−15
−7r≥−23
Divide both sides by -7.
−7r/−7 ≥ −23/−7
r ≤ 23/7
Answer Link
VER TODAS LAS RESPUESTAS ( 28+ )
Otras preguntas
What are the main types of publishing?
What are the factors affecting the course preference of Grade 12 students?
What is the difference between the content of traditional and new media?
How does edge computing radius latency for end users?
HELP MEEEEEEEEE PLEASEEEEEEEEEEEEEE!!!!!!!!!!!!!!!!!!
Select one: OASA Postulate O Not Congruent O AAS Postulate OHL Postulate SAS Postulate SSS Postulate Ħ H
sung buys a 12-month membership to a gym there is no sign up fee and sung makes equal payments each month after three months he has 585$ left to pay after five
what percent of the variation is not explained in your final model? group of answer choices 52.8% 47.2% 47.5% 38.0%
What fraction of 3 kilograms (kg) is 50 grams (g)? Give your answer in its simplest form.
Would you rather live in a British or French colony. Explain your reasons why.