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3 years ago

What is the value of x in the proportion below?

Mathematics

2 answers:

nekit [7.7K]3 years ago

6 0

The answer is B. 9 hours

Vesna [10]3 years ago

4 0

The answer is: The letter B. Which is 9

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Add and subtract the rational expressions. 7x+5/x-1 -(8x1/x-1+2x-4/x-1) Which statements are true about the process for adding a

anzhelika [568]

Answer:

2. The denominator of the fully simplified expression will be x – 1.

4. The numerator of the fully simplified expression will be –3x + 10.

Step-by-step explanation:

Given the rational expression

$\dfrac{7x+5}{x-1} -(\dfrac{8x-1}{x-1} +\dfrac{2x-4}{x-1} )$

Let us first simplify before making our deductions.

Opening the brackets

$\dfrac{7x+5}{x-1} -(\dfrac{8x-1}{x-1} +\dfrac{2x-4}{x-1} )=\dfrac{7x+5}{x-1} -\dfrac{8x-1}{x-1} -\dfrac{2x-4}{x-1}$

Taking LCM

$=\dfrac{7x+5-(8x-1)-(2x-4)}{x-1}$

Opening the brackets and simplifying

$=\dfrac{7x+5-8x+1-2x+4}{x-1}\\\text{Collecting like terms in the numerator}\\=\dfrac{7x-8x-2x+5+1+4}{x-1}\\=\dfrac{-3x+10}{x-1}$

The following statements are therefore true:

2. The denominator of the fully simplified expression will be x – 1.

4. The numerator of the fully simplified expression will be –3x + 10.

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3 years ago

Find two ratios equivalent to the ratio 8:5

kiruha [24]

16:10 and also 24:15

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3 years ago

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Help me pls solve this

Serjik [45]

Answer:

1/8 (Decimal: 0.125)

Step-by-step explanation:

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The first quartile of a data set is 23, the median is 30,the third quartile is 33, and an outlier is 50. Which of these data val

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Answer:50

Step-by-step explanation:

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3 years ago

Write two expressions to show w increased by 4.

iren2701 [21]

Answer:

4+w and w+4

Step-by-step explanation:

I used communative property where you simply flip flop the answers

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3 years ago