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2 years ago

Triangle MRN is created when an equilateral triangle is folded in half.

Mathematics

2 answers:

madam [21]2 years ago

5 0

Answer:

I'm pretty sure it is 4units

Step-by-step explanation:

try using a^2+b^2=c^2 formula to solve!

Hope this helps!

Semmy [17]2 years ago

5 0

Answer:

Step-by-step explanation:

Took the test :)

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Step-by-step explanation:

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lutik1710 [3]

Answer:

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Candice spent 5 1/4 hours doing her homework. Her brother, Ronald, spent 1/2 that number of hours doing his homework. How many h

Elden [556K]

Let

x-----> the number of hours that Candice spent doing her homework

y-----> the number of hours that Ronald spent doing his homework

we know that

$x=5\frac{1}{4}\ hours$

convert mixed number to an improper fraction

$5\frac{1}{4}\ hours=\frac{5*4+1}{4}= \frac{21}{4}\ hours$

$x=\frac{21}{4}\ hours$ -------> equation A

$y=\frac{1}{2}x$ ------> equation B

Substitute equation A in equation B

$y=\frac{1}{2}*\frac{21}{4}=\frac{21}{8}\ hours$

convert an improper fraction to a mixed number

$\frac{21}{8}\ hours=2.625=2+0.625=2+\frac{5}{8}=2\frac{5}{8}\ hours$

therefore

<u>the answer is the option B</u>

$2\frac{5}{8}\ hours$

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