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GaryK [48]
2 years ago
15

A lawn is in the shape of a right angled triangle. the lengths of the 2 shorter sides are

Mathematics
1 answer:
Sedbober [7]2 years ago
6 0

Answer:

x=5 ; Area= 84m²

Step-by-step explanation:

(x+2)²+(4x+2)²=(5x)²

x²+4+4x+16x²+16+32x=25x²

8x²-36x-20x=0

x=5;x=-1

hypotenuse should be positive

x=5

area=lxb/2

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Step-by-step explanation:

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6 0
3 years ago
Y = x2 + 12x + 30<br> 8x − y = 10
faltersainse [42]
So you need the solve for x and y ?

from 8x-y = 10,
y = 8x -10

Plug this in other equation.
8x-10 = x^2 +12x + 30

Re-arrange and combine like terms,
x^2 +12x -8x +30+10 = 0
x^2 +4x +40 = 0

This does not have any real solutions.
So there are no real values of x and y satisfying the 2 equations.

Are you sure the question is correct? or if this question belongs to complex numbers topic?
3 0
3 years ago
I don't know how to do these sort of problems... Can someone help me out?
VLD [36.1K]
180=76+4x
180-76=4x
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3 years ago
Wich expression has a value of 1/36<br><br>(1/108)3<br>(1/18)2<br>(1/6)2<br>(1/2)6​
coldgirl [10]

Answer:

(1/6)2

Step-by-step explanation:

(1/6)2 has a value of 1/36

3 0
3 years ago
Important formulas included in derivative.​
allochka39001 [22]

Answer:

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Step-by-step explanation:

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