3 years ago

Please help. and Reduce to simpliest form. Thx <3

Mathematics

1 answer:

SCORPION-xisa [38]3 years ago

3 0

Answer:

-11/8

Step-by-step explanation:

-7/8 - 1/2 = -11/8

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Step-by-step explanation:

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Linda made $104 for 8 hours of work. At the same rate, how many hours would she have to work to make $143?

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Answer:

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4 years ago

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With a detailed explanation from the internet 1/(x-5)+3/(x+2)=4

irga5000 [103]

Answer:

$\boxed{ \sf x=\dfrac{4\pm\sqrt{43}}{2}}$

Explanation:

$\rightarrow \sf \dfrac{1}{x-5}+\dfrac{3}{x+2}=4$

make the denominators same

$\rightarrow \sf \dfrac{1(x+2)}{(x-5)(x+2)}+\dfrac{3(x-5)}{(x+2)(x-5)}=4$

join the fractions together

$\rightarrow \sf \dfrac{x+2+3x-15}{(x-5)(x+2)}=4$

cross multiply

$\rightarrow \sf x+2+3x-15=4(x-5)(x+2)$

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$\rightarrow \sf x = \dfrac{-\left(-16\right)\pm \sqrt{\left(-16\right)^2-4\cdot \:4\left(-27\right)}}{2\cdot \:4}$

simplify the following

$\rightarrow \sf x=\dfrac{4\pm\sqrt{43}}{2}$

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2 years ago

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