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prohojiy [21]
3 years ago
15

Plz solve this question​

Mathematics
1 answer:
bixtya [17]3 years ago
4 0

Answer:

\frac{2(x - 4)}{(x - 2)(x + 2)}

Step-by-step explanation:

\frac{2}{(x - 2)}  -   \frac{8}{ ({x}^{2} - 4 )}  \\  \frac{2}{(x - 2)}  -  \frac{8}{(x - 2)(x + 2)}  \\  \frac{2(x + 2) - 8}{(x - 2)(x + 2)}  \\  \frac{2x + 4 - 8}{(x - 2)(x + 2)}  \\  \frac{2x - 8}{(x - 2)(x + 2)}  \\  \frac{2(x - 4)}{(x - 2)(x + 2)}

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The top tree broke and fell over.the remaining tree teunk is 3 feet tall.the tip of the tree rests on the ground 14 feet from th
Bas_tet [7]

Answer:

14.3 feet.

14.3 feet

Step-by-step explanation:

The problem forms a right triangle in which:

The Vertical Leg of the Right Triangle = 3 feet

The Horizontal Leg of the Right Triangle =14 feet

We are to determine the length of the broken part of the tree. This is the Hypotenuse of the Right Triangle,

Using Pythagoras Theorem

Hypotenuse^2=Opposite^2+Adjacent^2\\Hypotenuse^2=14^2+3^2\\Hypotenuse^2=205\\Hypotenuse=\sqrt{205}\\Hypotenuse=14.32\\ \approx 14.3 feet $(to the nearest tenth of a foot).\\Therefore, the lenght of the broken part of the tree to the nearest tenth of a foot is 14.3 feet.

5 0
3 years ago
5. (Total 16 points)
Mila [183]
Its nuts thats what it is 

4 0
3 years ago
In the adjoining figure O is the centre of the circle the tangent to the circle of radius 6 cm from the exterior point P of the
slamgirl [31]

Answer:

Let P be the external point. O be the origin. join O and P get OP and nearest point on the circle from P be A.

Let Q be the point onthe circle  in which, tangent make 90° with radius at Q.

PQ = 8 and OQ = 6

we get a right angled triangle  PQO right angled at Q.

so, OP^2 = OQ^2 + PQ^2= 8^2 + 6^2 = 64 + 36 =1==

therefore OP =10cm

we need nearest point from P, which is PA

PA = OP - OA= 10 -6=4cm

7 0
3 years ago
​−8x+4y=24<br> ​−7x+7y=28<br> ​​ What is the solution?
SVETLANKA909090 [29]
​−8x + 4y = 24 -- (1)
​−7x + 7y = 28 -- (2)

Eqn (1) & (2) are simplified as

y - 2x = 6 -- (3)
y - x = 4 -- (4)

By making y the subject of formula in (4), we have

y = x + 4 -- (5)

Substitute x + 4 for y in (3), then

x + 4 - 2x = 6
x - 2x = 6 - 4
- x = 2
x = - 2.

Substitute - 2 for x in (5), then

y = - 2 + 4
y = 2.

Therefore, (x, y) = (- 2, 2) ...Ans.
5 0
3 years ago
PLS HELP!! WILL GIVE BRAINLIEST Chris claims that Path A is 2 miles longer than Path B. What calculation error
maria [59]

Answer:

Step-by-step explanation:

He forgot the scale. It is 2 inches longer on the graph, but each inch represents 1/4 mile. So it is 2 quarter miles, or 1/2 mile

5 0
2 years ago
Read 2 more answers
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