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shtirl [24]
4 years ago
6

Solve for y: 3x +y = 12 Brainliest

Mathematics
2 answers:
I am Lyosha [343]4 years ago
7 0

Answer:

your is awnswr is y=9. to the equation

sergey [27]4 years ago
4 0

Answer:

y=-3x+12

Step-by-step explanation:

3x+y=12

-3x    -3x

y=-3x+12

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If a show has 16 people and they lose 2 people every episode how may episodes will there be.
-BARSIC- [3]

Answer:

Step-by-step explanation:

8 episodes. Count it 2 by 2 until you get 16. It would be (2) (8) times.

4 0
4 years ago
The power P produced by a wind turbine is directly proportional to the cube of the wind speed S. A wind speed of 37 miles per ho
vfiekz [6]

Answer:the output for a wind speed of 40 miles per hour is 810.8 kilowatts.

Step-by-step explanation:

The power P produced by a wind turbine is directly proportional to the cube of the wind speed S. This means that

P is directly proportional to S

Introducing a constant of proportionality, k, it becomes

P = kS

A wind speed of 37 miles per hour produces a power output of 750 kilowatts. This means that

750 = k × 37

k = 750/37 = 20.27

The expression becomes

P = 20.27S

Therefore, the output for a wind speed of 40 miles per hour would be

P = 20.27 × 40

P = 810.8

6 0
3 years ago
Eight times the reciprocal<br> of a number equals 4 times<br> the reciprocal of 10.
saveliy_v [14]

Answer:

8(1/x) = 4(1/10)

Step-by-step explanation:

lets say the number is x

eight times the reciprocal of a number equals 4 times the reciprocal of 10

  8       *                       1//x                            =        4    *         1/10

8/x = 4/10 ,  cross multiply

4x =8*10, divide both sides by 4

x= 80/4

x= 20

8 0
3 years ago
Please help me!!
Phoenix [80]

Answer:

=76

Step-by-step explanation:

24+(−9)(−4)+33−17

=24+36+33−17

=60+33−17

=93−17

=76

7 0
3 years ago
If (x, y) is a solution to the system of equations, what is the value of x? 2x + 1/ 2 y = 2 1/ 2 x + 2y = 6
Veseljchak [2.6K]

Answer:

  C) 4/15

Step-by-step explanation:

The two equations ...

  • 2x + 1/2y = 2
  • 1/2x + 2y = 6

can be solved for x using Cramer's rule:

  x = (2·2 -1/2·6)/(2·2 -1/2·1/2) = (4-3)/(4-1/4) = 1/(15/4)

  x = 4/15

_____

Cramer's rule for the solution to ...

  • ax +by = c
  • dx +ey = f

is ...

  • ∆ = ae-db
  • x = (ce -fb)/∆
  • y = (fa-dc)/∆
6 0
3 years ago
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