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inn [45]
4 years ago
5

600/x - 600/x+5 =20x=?​

Mathematics
1 answer:
tino4ka555 [31]4 years ago
5 0

Answer:

\frac{600}{x}  -  \frac{600}{x}  + 5 = 20 \\  \frac{600}{x} -  \frac{600}{x}   = 15 \\ x(600 - 600) = 15 \\ x = 15

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I need help. trying to solve this.
kkurt [141]
You can use this formula
{x}^{2}  + (a + b)x + ab
a and b are the solutions to the equation

{x}^{2}  + ( -  \frac{2}{5}  +  \frac{1}{3} )x + ( -  \frac{2}{5}  \times  \frac{1}{3} ) = 0 \\  {x}^{2}    -  \frac{1}{15}x  -  \frac{2}{15}  = 0
8 0
3 years ago
A is directly proportional to the cube of B<br>When A=54, B=3<br>Find A when b=4​
vesna_86 [32]

Answer:

a=72

Step-by-step explanation:

54/3=18

18*4=72

a=72 when b=4

5 0
3 years ago
How many solutions does the following have?<br> 1x-5y=15<br> -1+5y=-15
zhannawk [14.2K]
So than there are 

1x -5y =15
-1x +5y = -15 
--------------------assuming term by term we get 
0    0      = 0

so from what result that this system has infinitely many solutions 

hope helped 


3 0
3 years ago
When a coefficient is side by side with a variable it means to _______<br><br> Example: 4z
irinina [24]

Answer:

After simplifying, the first step in solving an equation with a variable on both sides is to get the variable on one side. This is done by reversing the addition or subtraction of one of the terms with the variable

8 0
3 years ago
Read 2 more answers
Solve For x.<br> 3(2x+1)=15
nikitadnepr [17]
3(2x+1)=15
6x+3=15
     -3  -3
6x=12
divide each side by 6
x=2

7 0
4 years ago
Read 2 more answers
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