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3 years ago

Multiple (2 4/5) (-5 2/3)

Mathematics

1 answer:

katovenus [111]3 years ago

8 0

Answer:

15 13/5 hopefully it helps

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Easy maths ~ Expand and simplify these brackets branliest going and 20 points

MrMuchimi

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2(x+1) +3 (x+2)

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4(x+3) +2(x +7)

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3 years ago

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What is the value of y when x = 0?<br><br> When x = 0, y = ______ ?

Svetllana [295]

Answer:

use photo math it will help u a lot

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3 years ago

Which graph shows the solution of x ≤ 3?

Crank

How is this college? None the less, the answer is D as it shows an included domain of all numbers less than three and due to the filled in circle, we can conclude that 3 itself is also included.

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3 years ago

If someone would help Me that would be great! will give BRAINLLIEST!

LenaWriter [7]

Answer:

where are the pictures???

Step-by-step explanation:

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3 years ago

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Please i cannot slove it. can u

Anika [276]

Answer:

Step-by-step explanation:

$a^{-1}=\dfrac{1}{a} \ ; \ b^{-1}=\dfrac{1}{b} \ ; \ c^{-1}=\dfrac{1}{c}$

$\dfrac{1}{1+a+b^{-1}}+\dfrac{1}{1+b+c^{-1}}+\dfrac{1}{1+c+a^{-1}}=\dfrac{1}{1+a+ \dfrac{1}{b}}+\dfrac{1}{1+b+\dfrac{1}{c}}+\dfrac{1}{1+c+\dfrac{1}{a}}$

$= \dfrac{1}{\dfrac{1*b}{1*b}+\dfrac{a*b}{1*b}+\dfrac{1}{b}}+\dfrac{1}{\dfrac{1*c}{1*c}+\dfrac{b*c}{1*c}+\dfrac{1}{c}}+\dfrac{1}{\dfrac{1*a}{1*a}+\dfrac{c*a}{1*a}+\dfrac{1}{a}}\\\\\\=\dfrac{1}{\dfrac{b+ab+1}{b}}+\dfrac{1}{\dfrac{c+bc+1}{c}}+\dfrac{1}{\dfrac{a+ac+1}{a}}\\\\\\=\dfrac{b}{b+ab+1}+\dfrac{c}{c+bc+1}+\dfrac{a}{a+ac+1}$

abc = 1

c = 1/ab

$=\dfrac{b}{b+ab+1}+\dfrac{\dfrac{1}{ab}}{\dfrac{1}{ab}+b*\dfrac{1}{ab}+1}+\dfrac{a}{a+a*\dfrac{1}{ab}+1}\\\\\\$

$= \dfrac{b}{b+ab+1}+\dfrac{\dfrac{1}{ab}}{\dfrac{1+b+ab}{ab}}+\dfrac{a}{\dfrac{ab+1+b}{b}}\\\\\\=\dfrac{b}{b+ab+1}+\dfrac{\dfrac{1}{ab}*ab}{1+b+ab}+\dfrac{ab}{ab+1+b}$

$=\dfrac{b}{b+ab+1}+\dfrac{1}{1+b+ab}+\dfrac{ab}{1+b+ab}\\\\\\=\dfrac{b+1+ab}{b+1+ab}\\\\\\=1$

6 0

2 years ago