3 years ago

What is 5/10 + 2/10 ?

Mathematics

1 answer:

Daniel [21]3 years ago

4 0

Step-by-step explanation:

5/10+2/10

7/10

0.7

................

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Please help me to solve the question. (chapter angle between two lines)

dsp73

Answer: $\bold{x^2-\dfrac{181}{13}xy+12y^2=0}$

<u>Step-by-step explanation:</u>

$\tan \theta =\dfrac{y}{x}\quad \longrightarrow \theta=\tan ^{-1}\bigg(\dfrac{y}{x}\bigg)$

$\text{Given:}\quad \theta =\tan^{-1}\bigg(\dfrac{1}{13}\bigg)\quad \longrightarrow x=13,y=1$

Insert x = 13 and y = 1:

x² + 2hxy + 12y² = 0

(13)² + 2(13)(1) + 12(1)² = 0

169 + 26h + 12 = 0

26h + 181 = 0

26h = -181

$h=-\dfrac{181}{26}$

$\text{Insert:}\ h=-\dfrac{181}{26}$

$x^2 + 2\bigg(-\dfrac{181}{26}\bigg) xy + 12y^2 = 0$

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The total cost of a dress,including tax, was $121.37. If 6% tax was added to the sale price, what was the sale price before taxe

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Step-by-step explanation:

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