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I am Lyosha [343]
2 years ago
13

Hi, I'm very confused and I need help.

Mathematics
1 answer:
Sphinxa [80]2 years ago
8 0

Answer:

x ≤ -5

Step-by-step explanation:

According to the 'key' on the far right :

First box has   4 x   +  12 in it

 second box has  - 8  in it

4x+12 ≤ -8     subtract 12 from both sides

4x ≤ -20     divide through by 4

x ≤ -5

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I need help pls help me
vazorg [7]

Answer:

The first question answer is Fred. The second one is 1/7. Sorry that is all i know.

Step-by-step explanation:

5 0
3 years ago
In which quadrant does the ordered pair (5, -6) lie?
guajiro [1.7K]
The coordinate (5,-6) lies in the fourth coordinate, because the first is x positive y positive, the second is x negative and y positive, the third is x negative and y negative, and the fourth is x positive y negative. This is x positive y negative, so it is in the fourth quadrant.
5 0
3 years ago
Read 2 more answers
Please help me find the equation xx
Lisa [10]

9514 1404 393

Answer:

  • (2x-10) +x +(x+10) = 180
  • x = 45
  • (2x-10)° = 80°
  • (x+10)° = 55°
  • x° = 45°

Step-by-step explanation:

The equation is an expression of the fact that <em>the sum of the angles in a triangle is 180°.</em>

  (2x -10)° +x° +(x +10)° = 180°

For the purposes of the answer box, I'd leave off the degree symbol:

  (2x -10) +x +(x +10) = 180

__

This simplifies to ...

  4x = 180

  x = 45

Then the angles (CW from top) are ...

  (2·45 -10) = 80°

  (45 +10)° = 55°

  (45)° = 45°

8 0
3 years ago
Solve for X pleas help
nydimaria [60]

Answer:

10.5 I think

Step-by-step explanation:

(1/2) *12 is 6

(1/2)*21 is 10.5

3 0
3 years ago
Need help solving this differentiation problem please. Thank you.
DIA [1.3K]
First convert the terms to fractional exponents

u  =  t^2/3  - 3t^3/2

differentiating

u'  =  2/3 t^ (2/3 - 1) - 3* 3/2  t^(3/2 - 1)

     =  2/3 t ^(-1/3) - 9/2 t ^(1/2)

     =  2 / (3∛t) -  9 √ t / 2   in radical form


7 0
3 years ago
Read 2 more answers
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