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AfilCa [17]
3 years ago
5

Area of square is numerically less than twice its diagonal by 2. Find its Perimeter.

Mathematics
1 answer:
Usimov [2.4K]3 years ago
8 0
2D-a^2=2

2(a√2) -a^2=2

a^2-2√2*a+2=0

2a= 2√2 + √(8-4*2) = 2√2 
hence, perimeter = 4a = 2*2a=2*2√2 = 4√2
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7 0
3 years ago
How many solutions 2x+3y=-3 and 3x + 5y = -9
Sunny_sXe [5.5K]
Since the slopes of the two lines are the not equal, they will have only one solution. The solution will be a point and can be found using the method given below.

We can find the solutions by simultaneously solving the two equations.

From first equation, the value of y comes out to be:

2x+3y=-3 \\  \\ 
3y=-3-2x \\  \\ 
y= \frac{-3-2x}{3}

Using this value of y in second equation, we get:

3x+5( \frac{-3-2x}{3} )=-9 \\  \\ 
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-x=-27+15 \\  \\ 
-x=-12 \\  \\ 
x=12

Using this value of x, we can find y:

y= \frac{-3-2x}{3}= \frac{-3-24}{3} =-9

Therefore, there is only one solution to the given equations is which is (12, -9)
8 0
3 years ago
PLEASE HELP now I really need to know​
Leona [35]

Answer:

Step-by-step explanation:

-2.5 + 5n - 1.5n

-2.5 + 3.5n

Option B is the correct answer

6 0
2 years ago
Read 2 more answers
What is the inverse of function f? A) B) C) D)<br> Plato
kap26 [50]

Answer:

(7x-3)/-1

Step-by-step explanation:

swap the x and y and then move the y by itself

x=(3-y)/7

7x=3-y

7x-3=-y

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3 0
1 year ago
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V125BC [204]
0.06x0.06 = 0.0036 

dont wory about the zeros just the actual numbers than add the zeros
6 0
3 years ago
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