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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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The absolute value of an given number is always positive.  So, when adding two to any positive number will always be greater than the number by itself.
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3 years ago
What is the slope 5x+2y=-2
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6 0
3 years ago
|x2+x-20<br> 22-11x+28<br> e:<br> x2-x-30<br> 3x-18
elena-s [515]

Answer:

x2 - 10x - 1994

Step-by-step explanation:

Step  1  :

Trying to factor by splitting the middle term

1.1     Factoring  x2-10x-1994

The first term is,  x2  its coefficient is  1 .

The middle term is,  -10x  its coefficient is  -10 .

The last term, "the constant", is  -1994

Step-1 : Multiply the coefficient of the first term by the constant   1 • -1994 = -1994

Step-2 : Find two factors of  -1994  whose sum equals the coefficient of the middle term, which is   -10 .

     -1994    +    1    =    -1993

     -997    +    2    =    -995

     -2    +    997    =    995

     -1    +    1994    =    1993

Observation : No two such factors can be found !!

Conclusion : Trinomial can not be factored

Final result :

 x2 - 10x - 1994

Processing ends successfully

plz mark me as brainliest :)

6 0
2 years ago
-1 -5(-2k+ 3) = - 76​
Ket [755]
Answer is -6(see photo for step by step):

4 0
3 years ago
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Three hours after the bus starts out, it's 150 miles ahead of the truck. Then the truck starts out, and it gains (65-50)=15 miles on the bus every hour. If neither of them ever stops for anything, the truck will catch up to the bus in ( 150/15 ) = 10 hours. . . . (The hint is useless.)
7 0
3 years ago
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