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Svetlanka [38]
3 years ago
15

Consider the equation 3/ x = 4/x-2 and solve for x

Mathematics
1 answer:
Goryan [66]3 years ago
6 0

Answer:

x = -6

Step-by-step explanation:

3/ x = 4/(x-2)

Using cross products

3 (x-2) = 4x

Distribute

3x - 6 = 4x

Subtract 3x from each side

3x-3x-6 = 4x-3x

-6 =x

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Please help quick lol
maxonik [38]

Answer:

x = 3,-5 is correct.

Step-by-step explanation:

The Zero Product Property:

The Zero Product Property simply tells that if a*b=0, it implies that either a=0 or b=0 (or the both of them must be equal to zero). The product of the factors is zero if and only if the one or more of  factors is zero. This is particularly useful for solving the quadratic equations .

In the given question the quadratic equation is (x-3)(x+5)=0

from the Zero Product Property, it is clear that  x-3 =0 or x =3

                 x+5 =0 or x=-5

Therefor x = 3,-5 Hence option 3 is correct.

4 0
3 years ago
Can anyone help with this pleases
Dominik [7]
The answer is /6 radians. I looked up the unit circle hope this helps :)

5 0
3 years ago
Read 2 more answers
A regular decagon has a side length of 4 centimeters long if the decagon is divided into 10 congruent triangles each has an appr
ratelena [41]
Area of decagon is given by:
Area=1/2(nsr)
where:
n=number of sides
s=side length
r=height
thus the area will be given by:
Area=1/2(10*4*6.2)
Area=124 cm^2
4 0
3 years ago
Dana is riding her bike. She rides 20 miles in 2 hours, 30 miles in 3 hours, and 40 miles in 4 hours. Find the constant of prop
AnnyKZ [126]
10. 20/2 = 10
30/3=10
40/4=10

Y=10x
5 0
3 years ago
Given y=4x, write an equation that is shifted up 9 with the slope tripled.
lyudmila [28]

Answer:

y = 12x + 9

Step-by-step explanation:

you triple 4x and just add nine because the y intercept is zero

4 0
3 years ago
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