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larisa [96]
3 years ago
8

The numerator of a fraction is 5 more than its denominator.

Mathematics
1 answer:
alex41 [277]3 years ago
8 0

Answer: x= -(1/2)

Step-by-step explanation:

(x+5 +3) / x+3 = 3

Multiply both sides by (x+3)

(x+8)= 3(x+3)

x+8 = 3x+9

-2x = 1

x= -1/2

               CHECK:

       -1/2 +8 =   15/2                  -1/2+3 =5/2

15/2 : 5/2 = 15/2*(2/5)  =  30/10 = 3

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You buy lunch for guests at a party. You can spend no more than $100. You will spend $20 on beverages and $10 per guest on sandw
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3 years ago
Two trains 300 miles apart are heading toward each other on the same track. The first one travels at 100 miles per hour and the
Setler [38]

Answer:

400

Step-by-step explanation:

u = 50 km/hr

v = 100 km/hr

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= b*d/(u+v)  

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8 0
3 years ago
Which model represents the factors of x2 9x 8? An algebra tile configuration. 7 tiles are in the Factor 1 spot: 1 is labeled x a
iren [92.7K]

The factors of an expression are the quotients of the expression

The model that represents the factors of x^2 - 9x + 8 is the product of x -1 and x - 8

<h3>How to determine the model</h3>

The expression is given as:

x^2 - 9x + 8

Expand the expression

x^2 - 8x - x + 8

Factorize the expression

x(x - 8) - 1(x - 8)

Factor out x - 8

(x - 1)(x - 8)

Hence, the model that represents the factors of x^2 - 9x + 8 is the product of x -1 and x - 8

Read more about factors at:

brainly.com/question/11579257

3 0
2 years ago
Read 2 more answers
The length of a stadium is 100 yards and its width is 75 yards. If 1 represents 25 yards, what would be the dimensions of the st
lubasha [3.4K]

Answer:

75 yards will be represented by 3

100 yards will be represented by 4

Step-by-step explanation:

Given data:

Length = 100 yards

Width = 75 yards

Scale 1:25

Finding the value that represents 100 yards, simple proportion is used

  1 : 25

  x : 100    

1/x = 25/100

1/x = 1/4

(1/x) *4 = (1/4)*4

(4/x) * x = 1 * x

4 = x

100 yards is represented by 4

Finding the value that represents 75 yards, simple proportion is used

  1 : 25

  x : 75

1/x  = 25/75

1/x = 1/3

(1/x) * x = (1/3) *x

1 * 3= (x/3) *3

3 = x    

75 yards is represented by 3

6 0
3 years ago
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