3 years ago

PLEASE HELP! PLEASE ALSO GIVE A GOOD EXPLANATION AND SHOW WORK! 45 points!!

Mathematics

1 answer:

allochka39001 [22]3 years ago

6 0

2 is correct 3 is wrong 4 is also wrong 5 is right there your welcome

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On a map, 3 inches represents 50 miles. Which proportion can be used to find the actual distance represented by 5 inches on the

creativ13 [48]

Hello!

you have to find what one inch is equal to

To find this you do 50/3

50/3 = 16.6666

So one inch is equal to 16.6666 miles

Multiply this by 5

16.6666 * 5 = 83.3333

the answer is 83.3333

Hope this helps!

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3 years ago

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What are three different complex fractions that simplify to 1/4

GaryK [48]

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4 years ago

For $x$, $y$, and $z$ positive real numbers, what is the maximum possible value for\[\sqrt{\frac{3x 4y}{6x 5y 4z}} \sqrt{\frac{y

joja [24]

Answer:

Infinity

Step-by-step explanation:

Since x,y,z are positive rel numbers, we have that

$\dfrac{3x4y}{6x5y4z}=\dfrac{1}{10z}\\\\\\\dfrac{y2z}{6x5y4z}=\dfrac{1}{60x}\\\\\\\dfrac{2z3x}{6x5y4z}=\dfrac{1}{20y}$

Hence,

$\sqrt{\dfrac{3x4y}{6x5y4z}}\sqrt{\dfrac{y2z}{6x5y4z}}\sqrt{\dfrac{2z3x}{6x5y4z}}\\\\\\=\sqrt{\dfrac{1}{10z}\dfrac{1}{60x}\dfrac{1}{20y}}=\sqrt{\dfrac{1}{12000xyz}}$