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defon
2 years ago
5

8. 3(4x + 4) + (x + 8) = 7x – 2(-3x + 11) Find the value of x

Mathematics
1 answer:
Marina86 [1]2 years ago
3 0

There are no values of x that make the equation true. No solution.

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X=2y-1 <br> 3x+4y=11<br> Need help solving
tigry1 [53]

Answer: (-1/5, 2/5)


Step-by-step explanation:

See the photo for explanation and work.


6 0
3 years ago
what is the square root of 98 what is the square root of y to the 6th what is the square root of a to the 7th what is the square
Bogdan [553]
1. sqrt(98) = 7 sqrt(2)
2. sqrt(y^6) = y^3
3. sqrt(a^7) = a^7/2
4. sqrt(12x^3y^2) =  2xy sqrt(3x)
5. sqrt(36x^2y^4) = 6xy^2
6. sqrt(48ab^3) = 4b sqrt(3ab)
7. sqrt(10a^5b^2) =  a^2b sqrt(10a)
8. sqrt(20x^3y^10 =  2xy^5 sqrt(5x)
7 0
3 years ago
at noon joice drove to the lake at 30 mi. per hour, but she made a long walk back at 4 mi. per hour. how long did she walk ifshe
Kryger [21]
Distance = 30 mph * time
distance = 4 mph * time

distance = 30 mph * t
distance = 4 mph * (17-t)

Since distance is equal then
30 mph * t = 4 mph * (17-t)
 
30t = -4t + 68

34t = 68

t = 2 hours

We see the return trip time is (17 -t ) which is 15 hours.
The beginning trip time is 2 hours.

Double Check
Beginning trip = 30 miles * 2 = 60 miles
Return trip = 4 miles * 15 = 60 miles.


3 0
3 years ago
One hundred and sixty-two thousandths as a decimal​
lapo4ka [179]

Answer:

100.062

Step-by-step explanation:

100 + 62/1000 = 100 + 0.062 = 100.062

8 0
2 years ago
Read 2 more answers
Need understanding how to do this
kkurt [141]

Answer:

  • 102 + (3x +2) = 180 . . . . equation to solve
  • x = 25 1/3 . . . . . . . . . . . . value of x

Step-by-step explanation:

It can be helpful to draw a diagram of a parallelogram ABCD and identify the angles in the problem statement. You will find they are adjacent angles.

Adjacent angles in a parallelogram are supplementary, so the sum of the given angle measures will be 180°.

  102 + (3x +2) = 180 . . . equation used to solve for x

  3x = 76 . . . . . . . . . . . . . subtract 104

  x = 76/3 . . . . . . . . . . . . divide by 3

  x = 25 1/3 . . . the value of x

7 0
3 years ago
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