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geniusboy [140]
2 years ago
10

3(x−1) + 7=11 what is x

Mathematics
2 answers:
MariettaO [177]2 years ago
6 0

Answer:

3(x-1)+7=11

3x-3-7=11

3x-10=11

3x=11+10

x=21/3

x=7

Step-by-step explanation:

tangare [24]2 years ago
5 0

Answer:

3(x−1) + 7=11

3x−3+ 7=11

3x + 4 = 11

x =   \frac{7}{3}

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juin [17]
Summary of problem.
annual production = 60000 units
work hours per worker = 200*12=2400 hours
productivity = 0.15 unit / person-hour
Need to calculate the number of workers/persons employed.
 
Each unit requires 1 unit / 0.15 unit/person-hour
= 1/0.15 person-hours / unit

60000 unit requires 60000 units * 1/0.15  person-hours/unit
= 400000 person-hours

400000 person-hours requires 400000 person-hours /2400 hours = 166.7 persons 
=>
The plant has 167 labourers  (assuming perfect attendance).

4 0
3 years ago
I need the answer!!!
Maslowich

Answer:

The first one is 12

second one is 1

third one is 23

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Step-by-step explanation:

6 0
2 years ago
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Find the diagonal length of a rectangular TV screen with the a length of 25 inches and a width of 28 inches.
Luba_88 [7]

Answer:

37.5 inches

Step-by-step explanation:

Applying the Pythagorean Theorem,

a²+b²=c²

where c is the diagonal length

c=√(25²+28²)= 37.5

7 0
3 years ago
PLSSS HELPPPP I WILLL GIVE YOU BRAINLIEST!!!!!! I DONT KNOW HOW TO GRAPH SO
xz_007 [3.2K]

Answer:

(-1, -2) will be the solution.

Step-by-step explanation:

System of equations has been given as,

y = 3x + 1 ---------(1)

Input-output value table for the given line will be,

x       -2        -1          0          1

y      -5        -2         1           4

y = -x - 3 ----------(2)

Input-output value table for the given line will be,

x        -2         -1           0           1

y       -1          -2          -3         -4  

By plotting the given coordinates we can draw the straight lines.

And the point of intersection (common point) of these lines will be the solution of the given system of equations.

Hence, (-1, -2) will be the solution.

4 0
2 years ago
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Svetlanka [38]
The answer to this b
3 0
3 years ago
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