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stich3 [128]
3 years ago
11

Helllpppp): please !!

Mathematics
2 answers:
Ahat [919]3 years ago
8 0

Answer:

x = 4

Step-by-step explanation:

If the triangles are similar then the ratios of corresponding sides must be equal, that is

\frac{EF}{YZ} = \frac{DE}{XY} , substitute values

\frac{2x-1}{14} = \frac{5}{10} ( cross- multiply )

10(2x - 1) = 70 ← distribute left side

20x - 10 = 70 ( add 10 to both sides )

20x = 80 ( divide both sides by 20 )

x = 4

Evgen [1.6K]3 years ago
6 0

Answer:

<em>Answer is </em><em>x</em><em>=</em><em>4</em>

Step-by-step explanation:

given \: that \: def \: is \: similar \: to \: xyz \\ by \: similarity \: theorem \\  \frac{de}{xy}  =  \frac{ef}{yz}  =  \frac{df}{xz} \\  \\  \frac{5}{10}  =  \frac{2x - 1}{14}  =  \frac{11}{5x + 2}  \\   \frac{1}{2}  =  \frac{2x - 1}{14}  =  \frac{11}{5x + 2}  \\  therefore \\  \frac{1}{2}  =  \frac{2x - 1}{14 }  \\ 2x - 1 = 7 \\ 2x = 8 \\ x = 4

<em>HAVE A NICE DAY</em><em>!</em>

<em>THANKS FOR GIVING ME THE OPPORTUNITY</em><em> </em><em>TO ANSWER YOUR QUESTION</em><em>. </em>

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Answer:

2/4, 3/5,3/4, 2/3,13/25, 27/50 11/20, 14/25, 29/50,31/50, 63/100,16/25,33/50,17/25,7/10,18/25,37/50,19/25,77/100,39/50,4/541/50, 83/100, 21/25 , 17/20, 43/50 , 87/100,22/25,9/10, 91/100, 23/25, 93/100, 47/50, 19/20 , 24/25  97/100, 49/50,99/100(note that I did not state all the fractions between 1/2 and 1)

Step-by-step explanation:

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This is like saying finding Fractions that give you percentages between 50% and 100%

for example:

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31/50 as a decimal would be 0.52  and 0.52 falls between(0.50 and 1.00) 1/2 and 1

example 2: 89/100= 0.9 (same as0.90) and [90/100] is same as 9/10 = 0.9

0.90 or 0.9 (zero point nine) is not the same as 0.09(zero point zero nine

If you are using a casio calculator, you can simplify the fraction by putting in your numerator then pressing |a b/c| button then enter the denominator, then the calculator should simplify the fraction, if the fraction remains the same, this means that it cant be further simplified.if your calculator has

| a b/c| then you can also use it.

or use an online calculator or simplify if you wish

To <em>find the decimal of that fraction you can simply divide the numerator by the denominator, Example; 82/100 is same as 0.82 and 41/50 is same as 0.82.</em>

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<em>Look</em><em> </em><em>at</em><em> </em><em>the</em><em> </em><em>attached</em><em> </em><em>picture</em><em>.</em>

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