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
Alexus [3.1K]
3 years ago
14

This problem has two answer to it, Help!

Mathematics
1 answer:
OverLord2011 [107]3 years ago
6 0

as you should already know, an absolute value expression, is in effect a piece-wise expression, since it has a ± versions.


\bf \cfrac{|-2-2r|}{3}=4\implies  \begin{cases} \cfrac{+(-2-2r)}{3}=4\\\\ \cfrac{-(-2-2r)}{3}=4 \end{cases}\\\\[-0.35em] ~\dotfill\\\\ \cfrac{-2-2r}{3}=4\implies -2-2r=12\implies -2-12=2r\implies -14=2r \\\\\\ \cfrac{-14}{2}=r\implies \boxed{-7=r}\\\\[-0.35em] ~\dotfill\\\\ \cfrac{-(-2-2r)}{3}=4\implies \cfrac{-2-2r}{3}=-4\implies -2-2r=-12 \\\\\\ -2+12=2r\implies 10=2r\implies \cfrac{10}{2}=r\implies \boxed{5=r}

You might be interested in
A 6 ft tall tent standing next to a cardboard box casts a 15 ft shadow. if the cardboard box casts a shadow that is 6 ft long th
ohaa [14]
What we know is that a 6 foot tall tent casts a 15 foot shadow. Lets represent that given this way: 6 = 15
So, the unknown (y), or what we want to know, is how tall the cardboard box if it has a 6 foot long shadow (noticeably the same height as the tent):
y = 6

6 = 15
y = 6

(6 x 6) / 15 = y
36 / 15 = y
2.4 = y

The height of the cardboard box is 2.4 feet.
4 0
3 years ago
-3x − 5 = 16<br> What would x = ?
kari74 [83]

Answer:

Step-by-step explanation:

-3x=16+5

-3x=21

x=21/-3

x= -7

7 0
3 years ago
180 euros to exchange rate 1.2 to the pound
BaLLatris [955]
Your answer is 138.61440

Hope this helps.
8 0
2 years ago
Lin has a pet German Shepherd that weighs 38 when measured in one unit and 84 when measured in a different unit. which measureme
Citrus2011 [14]

Answer:

38= kilo 84= pounds

Step-by-step explanation:

8 0
2 years ago
Your school football team has 10 scheduled games for the season. You want to attend at least 4 games. How many different combina
viva [34]

24 combinations i believe

8 0
3 years ago
Other questions:
  • What number must you add to complete the square?<br> x^2+12x=-3
    6·1 answer
  • I'm using equations what is the solution of this email equation 6d=108 what do d=
    13·1 answer
  • Christian's furniture store buys a desk and chair at a wholesale price of $320.00 If the markup rate at Christian's store
    11·1 answer
  • Find the length of the third side of each triangle.
    8·1 answer
  • You deposit $7,900 in a money-market account that pays an annual interest rate of 4.3%. The interest is compounded quarterly. Ho
    15·1 answer
  • Describe how the effective rate of interest of a money market or CD account can be calculated
    9·1 answer
  • Write the ratio for tan A. ​
    15·1 answer
  • A trencher digs 5m in 4 hours. How long will it take to dig 30m
    7·1 answer
  • Please help with this math
    8·1 answer
  • 3. What are the roots of the polynomial y = x³ - 8?
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!