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tino4ka555 [31]
3 years ago
11

Y=6x - 11 -2x - 3y = -7

Mathematics
1 answer:
Ray Of Light [21]3 years ago
3 0
<h2>Therefore x=2 and y= 1</h2>

Step-by-step explanation:

Given equations are

y = 6x -11                    and         -2x -3y = -7.........(2)

⇒y - 6x = -11.......(1)

Equation (2)× 3 - Equation (1)

-6x -9y -(y-6x) = -21 -(-11)

⇔-6x -9y-y+6x=-21+11

⇔-10y = -10

⇔y=1

Putting the value of y in equation (1) we get

1 = 6x -11

⇔x =2

Therefore x=2 and y= 1

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PLEASE MATH HELP ( EASY )
Natalija [7]

Answer:

Step-by-step explanation:

28° into radians

28° = ( 28   *  \frac{\pi }{180}  )

Divide 28 and 180 by 4 we get

= ( \frac{7\pi }{45})

Hope it helped :)

 

6 0
3 years ago
Read 2 more answers
Find the x and y intercepts for the equation 2x + 7y = 42.
o-na [289]

Answer:

see explanation

Step-by-step explanation:

Given

2x + 7y = 42

To find the x- intercept let y = 0 in the equation and solve for x

2x + 7(0) = 42, that is

2x = 42 ( divide both sides by 2 )

x = 21 ← x- intercept or (21, 0 )

To find the y- intercept let x = 0 in the equation and solve for y

2(0) + 7y = 42 , that is

7y = 42 ( divide both sides by 7 )

y = 6 ← y- intercept or (0, 6 )

6 0
3 years ago
Josh sold his bike for 10% less than he paid for it. IF he sold the bike for 585 how much did he pay for it?
tangare [24]

Answer:

To know how much he bought it for, let's consider the actual amount it be x.

Step-by-step explanation:

10% of x + $585 = x

x/10 + $585 = x

$585 = x-x/10

$585= 9x/10

9x=$5850

x=$5850/9

x=$650

.: the actual price was $650.

7 0
3 years ago
A tower that is 147 feet tall casts a shadow 151 feet long. Find the angle of elevation of the sun to the nearest degree.
Marina CMI [18]

Answer:44°

Step-by-step explanation:

Solution is in the attachment

8 0
3 years ago
The Chens bought their house for $240 000 twenty years ago. They just sold the house
serg [7]

The percent is the new value of the house of the price they paid 20 years ago is 216.67%.

<h3>Percentage</h3>

  • Old price = $240 000
  • New price = $520 000

percent is the new value of the house = New price / Old price

= 520,000 / 240,000 × 100

= 2.16666666666666

= 216.666666666666%

Approximately,

percent is the new value of the house = 216.67%

Therefore, the percent is the new value of the house of the price they paid 20 years ago is 216.67%.

Learn more about percentage:

brainly.com/question/843074

#SPJ1

5 0
1 year ago
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