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MakcuM [25]
3 years ago
12

Solve the following rational equation for x. 1/4x-3/4=7/x

Mathematics
1 answer:
Liula [17]3 years ago
6 0

Answer:

x1= -4, x2 = 7

Step-by-step explanation:

Move expression to the left-hand side:

1/4x-3/4-7/x=0

Write all the numerators above a common denominator:

x^2 - 3x - 28 /4x =0

When the quotient of expressions equal 0, the numerator has to be 0

x^2 + 4x - 7x - 28 = 0

x(x+4) - 7(x+4) =0

(x+4) × (x-7) =0

Separate into possible cases:

x+4=0

x-7=0

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I need to find the area .
nikklg [1K]

Answer:

104 ft^2

Step-by-step explanation:

area of rectangle = 8 × 10 = 80

area of triangle = 1/2 × 6 × 8 = 24

∴total area = 104 ft^2

5 0
3 years ago
What is 1/2 simplified
-BARSIC- [3]

1/2 is as simple as this fraction gets there is no more simplification to be done any more. However if your fraction were 2/4 then it could be simplified to 1/2. How did we get 1/2? Well the proces is simple all you have to do is find a number that both numbers are divisible to. For instance 2 can be divided  by itself once. For the next 4 can be divided by 2 twice hence the result. If you're looking for other forms like decimal form then it would be written as 0.50.

Hope this helps!

6 0
3 years ago
Helppp me plzzzzzzz i am no god at the maths
denpristay [2]

Answer:

i beleive its n-6

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Simplify.<br> (-2w2+5w-4) + (3w? +7w+6)<br> Answer ASAP <br> Will give brainlest
scoray [572]

Answer:

w² + 12w + 2

Step-by-step explanation:

( - 2w² + 5w - 4 ) + ( 3w² + 7w + 6 )

= 3w² - 2w² + 5w + 7w + 6 - 4

= 1w² + 12w + 2

= w² + 12w + 2

6 0
3 years ago
Please help which one is right
jeka94

Answer: Pacco is right

Step-by-step explanation: 1st cube:

42 ft^2 2nd cube: 52 ft^2 3rd cube: 62 ft^2

42+52+62=156 ft^2 156 ft^2<160 ft^2

5 0
3 years ago
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