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luda_lava [24]
3 years ago
10

please someonw help me with 7(a) please please please please please please please please please please please please please plea

se please please​

Mathematics
2 answers:
adelina 88 [10]3 years ago
6 0

Answer: 2+1/x+3

Step-by-step explanation:

timama [110]3 years ago
6 0
The answer is 2+1/x+3
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.o2 is 10 times as much ad
Y_Kistochka [10]
All you do is move the decimal one spot to the right. .02 is 0.2
Hope this helps :)
4 0
4 years ago
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Tìm x a)<br> 4x^2-12x=-9
DaniilM [7]

Hi

Just told you :  first know by heart remarkable identities !  

Then apply :  

4x²-12x = -9

4x²-12x +9 =0

(2x-3)² = 0

(2x-3) (2x-3)  = 0

Now you have a double solution :

2x-3 = 0

and 2x -3 = 0

I let you try !

5 0
3 years ago
Write an equation of the line that is perpendicular to the line y = 1 2 x + 8 that passes through the point (4,6)
Katen [24]

Answer:

\large\boxed{y=-2x+14}

Step-by-step explanation:

\text{Let}\ k:y=_1x+b_1\ \text{and}\ l:y=m_2x+b_2.\\\\l\ \perp\ k\iff m_1m_2=-1\to m_2=-\dfrac{1}{m_1}\\============================\\\\\text{We have}\ y=\dfrac{1}{2}x+8\to m_1=\dfrac{1}{2}.\\\\\text{Therefore}\ m_2=-\dfrac{1}{\frac{1}{2}}=-2.\\\\\text{The equation of the searched line:}\ y=-2x+b.\\\\\text{The line passes through }(4,\ 6).

\text{Put thecoordinates of the point to the equation.}\ x=4,\ y=6:

6=-2(4)+b\\\\6=-8+b\qquad\text{add 8 to both sides}\\\\b=14

6 0
4 years ago
Read 2 more answers
Luis purchases a collectible model car from a dealer. The dealer advises him that the car’s value (The car value is $75 now) wil
serious [3.7K]
Judging by the question I generated the equation y=75(1.09^x)
x is the amount of years. 
So the equation you should get for 10 years is y=75(1.09^10)
The answer you get should get is $177.55
4 0
3 years ago
Read 2 more answers
6 - 3/4x + 1/3 = 1/2x + 5 <br><br> help
andre [41]

Answer:

x=15/16

Step-by-step explanation:

Let's solve your equation step-by-step.

6−34x+13=12x+5

6+−34x+13=12x+5

Multiply all terms by x and cancel:

6x+−34+1x3=12+5x

193x+−34=5x+12(Simplify both sides of the equation)

193x+−34−5x=5x+12−5x(Subtract 5x from both sides)

43x+−34=12

43x+−34+34=12+34(Add 3/4 to both sides)

43x=54

(34)*(43x)=(34)*(54)(Multiply both sides by 3/4)

x=1516

Check answers. (Plug them in to make sure they work.)

x=1516(Works in original equation)

3 0
3 years ago
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