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hram777 [196]
3 years ago
14

Find x in this proportion. 5/2x=25/4 x=__? 2/5 5/2 4/5 8/5

Mathematics
2 answers:
8_murik_8 [283]3 years ago
8 0
Correct answer is A.

\frac{5}{2x} = \frac{25}{4} 
\\
\\2x\times 25=5\times 4
\\50x=20
\\
\\x= \frac{20}{50}= \frac{2}{5}
Blizzard [7]3 years ago
5 0

Answer:

The\ value\ of\ x\ is\ \frac{2}{5} .

Step-by-step explanation:

As the proportion given in the equation be

\frac{5}{2x} = \frac{25}{4}

Simplify the above

x = \frac{5\times 4}{2\times 25}

Solving the above

x = \frac{20}{50}

Thus

x = \frac{2}{5}

Therefore\ the\ value\ of\ x\ is\ \frac{2}{5} .

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Reduce the fraction to lowest terms. y+5/2y+10<br><br>A:1/4<br>B:1/2<br>C:2/5
Oduvanchick [21]
The given fraction is:

\frac{y+5}{2y+10}

We cannot take anything common from the numerator but from the denominator we can take out 2 as common because 2 is a factor of both the terms i.e. 2y and 10. 

2y + 10 can be written as 2y +2(5) which can further be written as 2(y+5)

So, our fraction now becomes:

\frac{y+5}{2(y+5)}

y+5 occurs in both the numerator and denominator and thus be cancelled out leaving behind:

\frac{1}{2}

Therefore, the given fraction in lowest term is equal to 1/2. So option B is the correct answer 
8 0
3 years ago
ZABD and ZDBC are supplementary angles.
Mila [183]
<h3>Answer:</h3>

<u>As above angles are supplementary</u>,

  • x + 120° = 180°
  • x = 180° - 120°
  • x = 60°

<u>Hence, value of x is 60°</u>.

4 0
3 years ago
Read 2 more answers
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Ede4ka [16]

Answer:

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6 0
3 years ago
How do outliers affect the mean of a data set?
lord [1]

Answer:

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Step-by-step explanation:

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3 0
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Shtirlitz [24]

Answer:

D

Step-by-step explanation:

(3x³ - 10x² + 13x)  -  (5x³ + 4x² - 9x)

3x³ - 10x² + 13x  - 5x³ - 4x² + 9x  Change all terms after the subtraction sign to

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(3x³ - 5x³) + (-10x² - 4x²) + (13x + 9x)    Group like terms together

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