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Airida [17]
4 years ago
10

2x+2y= 10 y=-x+2 Are they parallel, perpendicular, or neither ?

Mathematics
1 answer:
horsena [70]4 years ago
5 0
I hope this helps you

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Nik, a social worker for a county, helps county residents who are struggling with different issues. Nik logs the following hours
NARA [144]

Answer: b. 70%

Step-by-step explanation:

Given : Nik logs the following hours meeting with clients (c) or doing other work (o) :

Mon: 6 c, 4 o

Tue: 8 c, 2 o

Wed: 9 c, 1 o

Thu: 7 c, 3 o

Fri: Off

The number of hours Nik spend with clients on Thursday = 7 [Number of corresponding to c is 7 in the table]

Total hours he spend in work on Thursday =  7+3 = 10

The percent of time Nik spent with clients on Thursday :

\dfrac{\text{Number of hours he spent with clients}}{\text{Total works he work on Thursday}}\times100\\\\=\dfrac{7}{10}\times100=7\times10\%=70\%

Hence, the Nik spent 70% of his time with clients on Thursday.

Thus , the correct option is b. 70%.

5 0
3 years ago
Twice a number is increased by one-third the same number. The result is 42. Find the number
Sonja [21]
X - the unknown number.

2x +  \frac{1}{3} *x = 42 \\  \frac{6}{3} *x +  \frac{1}{3} *x = 42 \\  \frac{7}{3} *x = 42 \\ x = 42 :  \frac{7}{3} \\ x = 42 *  \frac{3}{7} \\ x =  \frac{126}{7} \\ x= 18

x = 18. 
5 0
4 years ago
Can someone plz help me with this one problem plz!!!
arsen [322]

Answer:

no

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Solve the system of equations using the substitution method.
ANTONII [103]

The solution of system of equations is: x = 1.6 and y = 1.2

Step-by-step explanation:

Given equations are:

y = 2-\frac{1}{2}x\ \ \ \ Eqn\ 1\\x-3y = -2\ \ \ eqn\ 2

Putting y = 2-\frac{1}{2}x in equation 2

x - 3(2-\frac{1}{2}x) = -2\\x - 6 + \frac{3}{2}x = -2\\x +\frac{3}{2}x = -2+6\\\frac{2x+3x}{2} = 4\\\frac{5x}{2} = 4\\5x = 4 * 2\\5x = 8\\x = \frac{8}{5}\\x = 1.6

Putting x = 1.6 in equation 2

1.6-3y = -2\\-3y = -2-1.6\\-3y =- 3.6

Dividing both sides by -3

\frac{-3y}{-3} = \frac{-3.6}{-3}\\y = 1.2

Hence,

The solution of system of equations is: x = 1.6 and y = 1.2

Keywords: Linear equations, variables

Learn more about linear equations at:

  • brainly.com/question/9045597
  • brainly.com/question/9103248

#LearnwithBrainly

5 0
3 years ago
What time is 5 3/4 hours after 11:32 pm?<br> Please show work, thank you.
poizon [28]

we have to first convert fraction of hours into minutes

1 hour is equivalent to 60 minutes

then 3/4 hour is - 3/4 of 60

when the of function is used we have to multiply the 2 numbers

then \frac{3}{4} * 60 = \frac{3*60}{4} = \frac{180}{4} = 45

3/4 of an hour is equivalent to 45 minutes

then we have to add 5 hours and 45 minutes to 11.32 pm

add 5.45 to 11.32


11.32

5.45 +

-------

16.77

then its 16 hours and 77 minutes

an hour has only 60 minutes so we subtract 60 minutes from 77 minutes and add that hour to 16 hours

16 hours + 1 = 17 hours 

77 minutes - 60 minutes = 17 minutes

17 hours 17 minutes

time is given in pm therefore its a 12 hour clock

so we have to subtract 12 hours from 17 hours 17 minutes

17.17 hours - 12 hours = 5.17

the new time is 5.17 am of the next day



8 0
3 years ago
Read 2 more answers
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