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
Sphinxa [80]
3 years ago
13

2/7x+1/2x=−40/7−1/6x please explain step by step

Mathematics
2 answers:
Lostsunrise [7]3 years ago
7 0
2/7x + 12/x = -40/7 - 1/6x
2/7x + 12/x + 1/6x = -40/7
(12 + 504 + 7)/42x = -40/7
523/42x = -40/7
(42x * -40) = (523 * 7)
-1680x = 3361
x = 3361/-1680 = -2.18

hope this helps
Misha Larkins [42]3 years ago
5 0
Your answer is x= -6 you may review the image I've attached to see how i got my answer.

You might be interested in
Which does not represent an integer?
miv72 [106K]

Answer:

The answer is D

Step-by-step explanation:

  • Let's see all choices in detail

A . 0 it is correct because 0 is an integer

B .It seems like rational number but it is not simplified yet so -18 \ 2= -9

C .

\sqrt{9}  = 3 \: so \: it \: is \: also \: integer

D . 4\5 it is decimal so it is rational number not integer

I hope u like it

4 0
3 years ago
Change the decimal into a %:0.7
Tomtit [17]
Simply multiply 0.7 by 100. 0.7 x 100= 70%. The answer is 70%
8 0
3 years ago
Read 2 more answers
A paddle boat can move at a speed of 2 ​km/h in still water. The boat is paddled 16 km downstream in a river in the same time it
MaRussiya [10]
<span>going downstream - 

t = 14/(2 + v) 

going upstream - 

t = 7/(2 - v) 

14/(2 + v) = 7/(2 - v) 

(2 + v)/2 = 2 - v 

v = 2/3km/h</span><span>
</span>
6 0
3 years ago
Solve the system by substitution.<br> x−5y=−11<br> −6y=x
antoniya [11.8K]

Answer:

y=x,y=12x+1

y=4x+4,y=6x

y=x+1,y=x+4

Step-by-step explanation:

3 0
2 years ago
Help meeeeeee!!!!!!!
Juliette [100K]

A: partial variation

B: Direct variation

C: Direct variation

D: Partial variation

5 0
3 years ago
Other questions:
  • NEED HELP!! <br> #2-9 or what ever questions u wanna do please in need of help!
    9·1 answer
  • Which is an advantage of using a credit card? You can make purchases even when you don't have cash. You don't indulge in impulse
    7·2 answers
  • 1) Two coins are to be flipped. The first coin will land on heads with probability .6, the second with probability .7. Assume th
    9·1 answer
  • Which number is least 145. 155 or 144.809
    12·2 answers
  • A person stands 10 meters east of an intersection and watches a car driving towards the intersection from the north at 13 meters
    9·1 answer
  • 20. Simplify: 4×^3√3x+5 ^3√10x
    14·1 answer
  • Graph and find the area of the figure with the vertices (-3, 0), (1,4), (2, 0)​
    11·1 answer
  • Olivia wants to know the proportion of students at her school who use a
    5·1 answer
  • PLEASE I NEED HELPP !!
    13·2 answers
  • You recently opened your checking account with reallybigbank on August 1 using $100.00
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!