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stellarik [79]
3 years ago
14

What is the answer for this equation 3x-2=2x+9

Mathematics
1 answer:
defon3 years ago
6 0

Answer:

x = 11

Step-by-step explanation:

3x-2x=9+2 1st and 2nd principle

X=11

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For a given triangle it is known that cos A =-0.5, where 0° <br> Based on the information given above, the value of angle(s) A i
Assoli18 [71]

Answer:

120

Step-by-step explanation:

Here, we want to get the possible value of A

Now, we should understand that the value of an angle in triangle cannot be more than 180

Also, cosine can only be negative in the second and the 3rd quadrant

So,

arc cos (-0.5) = 120 , 300 , 60

But 60 is not correct as it will give a negative value

300 is not correct also as it is more than the angles present in a triangle

Thus, our answer is 120

7 0
3 years ago
2x+5&lt;3x+4 solve inequality
kompoz [17]
1 is greater than x
5 0
3 years ago
Anyone know it <br> will give you a 50points
netineya [11]

Answer:

Below.(0)

Step-by-step explanation:

Step by step.

So we know that the tens digit is after the ones place so?

The ones are 6. That means the digit in the tens place is

0.

8 0
2 years ago
Read 2 more answers
What adds ups to 5 but multiplies to give you 12
qaws [65]
X + y = 5
    xy = 12

x + y = 5
      y = -x + 5

                xy = 12
      x(-x + 5) = 12
  x(-x) + x(5) = 12
       -x² + 5x = 12
             - 12   - 12
-x² + 5x - 12 = 0
 x² - 5x + 12 = 0
x = 5 ± √25 - 48
                2
x = -5 ± √-23
           2
x = -5 ± 4.79i
            2
x = -5 + 4.79i    or    x = -5 - 4.79i
            2                              2
x = -2.5 + 2.395i   or    x = -2.5 - 2.395i
y = -2.5 - 2.395i   or    y = -2.5 + 2.395i

The two numbers that add up to 5 and multiply to 12 is -2.5 ± 2.395i, which is -2.5 + 2.395i and -2.5 - 2.395i.
6 0
3 years ago
What is 2p + 5r = q for p
Kamila [148]
Subtract 5r from both sides
2p= q-5r
Divide both sides by 2
p= (q-5r)/2
4 0
3 years ago
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