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worty [1.4K]
3 years ago
13

3x=9 divide each side by 3 x=3

Mathematics
1 answer:
podryga [215]3 years ago
3 0

Answer:

3

Step-by-step explanation:

3x=9

3(3)=9

3/3=0=9/3=3

answer=3

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Please help me with this and thank you
hichkok12 [17]

Answer:

16/3 or 5 1/3

Step-by-step explanation:

Because 2/3 * 8 = 16/3.  

16/3 simplified is 5 1/3

4 0
3 years ago
Read 2 more answers
Match the equation 3^4x-y=-3^4
Grace [21]
<span>slope intercept form is y=mx+b. m is the slope and b is the y intercept. Therefore, we need to manipulate the equation to get y by itself on the left side. So...
3/4x-y=4
-y= -3/4x+4
y= 3/4x-4</span>
8 0
3 years ago
<img src="https://tex.z-dn.net/?f=-6x%5E4-3x%5E2y%5E2%20%2B%205y%5E4" id="TexFormula1" title="-6x^4-3x^2y^2 + 5y^4" alt="-6x^4-3
Mashutka [201]

Answer:

the answer to the question is 8x⁴- 5x²y² - 6y⁴  

Step-by-step explanation:

the normal way of using BODMAS is apply to all polynomial equations.

subtracting  -6x⁴- 3x²y² + 5y⁴ from 2x⁴ - 8x²y² - y⁴.

polynomial of the same degree is very easy to calculate. this equation is having the same degree of polynomial all through, therefore:

  Applying Bracket to the equation

   2x⁴ - 8x²y² - y⁴- ( -6x⁴- 3x²y² + 5y⁴)

  Open the bracket

   2x⁴ - 8x²y² - y⁴ +6x⁴+3x²y² - 5y⁴

  collects the likes terms

   2x⁴ +6x⁴- 8x²y² +3x²y² - 5y⁴  - y⁴

  The final answer is =

   8x⁴- 5x²y² - 6y⁴  

6 0
4 years ago
compare the right-hand and left-hand derivatives to show that the function is not differentiable at the point P. find all points
Softa [21]
f(x)=  \left \{ {{ \sqrt{x} } \atop {2x-1}} \right. &#10;\\&#10;\\ f'(x)=  \left \{ {{  \frac{1}{2\sqrt{x}} } \atop {2}} \right. &#10;\\&#10;\\  f'(1)=  \left \{ {{  \frac{1}{2}} \atop {2}} \right. &#10;\\&#10;\\ f'(1^-) \neq f'(1^+)

Therefore, the function is not differentiable at x = 1.

f(x)= \sqrt{x} &#10;\\&#10;\\f'(x)= \frac{1}{2 \sqrt{x} } &#10;\\&#10;\\f'(0)=\frac{1}{2 \sqrt{0} } = \infty

Therefore, the function is not differentiable at x = 0.
3 0
3 years ago
Find the derivative of f(x) = 4x + 7 at x = 5.(2 points)
Sveta_85 [38]

Answer:

x=4x+7=

x=5=

Step-by-step explanation:

5 0
4 years ago
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