2 years ago

HELP PLEASE!

Mathematics

1 answer:

Strike441 [17]2 years ago

6 0

Answer: idk

Step-by-step explanation:

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HELP PLEASE I CAN'T UNDERSTAND I WILL GIVE YOU BRAINLIEST PLEASE HELP

Andrei [34K]

Answer:

a. 1/27 b.3 1/2

Step-by-step explanation:

a.1/3*1/3*1/3=1/(3^3)=1/27

b.2 1/3*1 1/2*1= 3 1/2

6 0

2 years ago

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20 points!!

ANEK [815]

See below for the proof of the equation $\frac{ax + by}{x + y} - \frac{ax - by}{x - y}= 2(a - b)$

<h3>How to prove the equation?</h3>

The equation is given as:

$\frac{ax + by}{x + y} - \frac{ax - by}{x - y}= 2(a - b)$

Take the LCM

$\frac{(ax + by)(x - y) -(ax - by)(x + y)}{(x + y)(x - y)}= 2(a - b)$

Expand

$\frac{ax^2 - axy + bxy - by^2 -ax^2 - axy + bxy + by^2}{(x + y)(x - y)}= 2(a - b)$

Evaluate the like terms

$\frac{-2axy + 2bxy }{(x + y)(x - y)}= 2(a - b)$

Rewrite as:

$\frac{-2axy + 2bxy }{x^2 - y^2}= 2(a - b)$

Factorize the numerator

$\frac{2(a - b)(x^2 - y^2)}{x^2 - y^2}= 2(a - b)$

Divide

2(a - b)= 2(a - b)

Both sides are equal

Hence, the equation $\frac{ax + by}{x + y} - \frac{ax - by}{x - y}= 2(a - b)$ has been proved

Read more about equations at:

brainly.com/question/2972832

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5 0

1 year ago

Round 793,907 to the nearest 100,000

olasank [31]

800,000 is the correct answer

6 0

2 years ago

What’s the answer??????

Fofino [41]

Answer:

2x=34+56

x=90÷2

therefore x=45

6 0

2 years ago

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Plzz help with this question

alexandr402 [8]

Answer:

rip Pop we aint neva gettin cool with the opps

190000

hope this helps

Step-by-step explanation:

7 0

2 years ago

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