The LCD for 1 over 7 and 1 over 8 is

Mathematics

1 answer:

asambeis [7]2 years ago

7 0

The least common denominator would be 56. Hope I helped you!

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Boris is a web developer. His annual gross salary is $45,000. From this, he must pay social security (calculated as 10% of his g

Semenov [28]

Answer: $32,625

Step-by-step explanation:

40,000-10,000 = 35,000 ---> how much is taxed

35,000 x .25 = 8,750 = income tax

45,000 - 8,750 = 36,250

36,250 x .1 = 3,625 ---> social security

45,000 (gross pay) - 8,750 (income tax) - 3,625 = 32, 625

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goldfiish [28.3K]

Answer:

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Step-by-step explanation:

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Find the volume of the pyramid. Write your answer as a fraction or mixed number.

Dahasolnce [82]

Check the picture below.

let's notice that the base of the pyramid is triangle with a base of 5 and an altitude of 4, so it has an area of (1/2)(5)(4).

$\bf \textit{volume of a pyramid}\\\\ V=\cfrac{1}{3}Bh~~ \begin{cases} B=\stackrel{\textit{area of its}}{base}\\ h=height\\[-0.5em] \hrulefill\\ B=\frac{1}{2}(5)(4)\\ h=8 \end{cases}\implies V=\cfrac{1}{3}\left( \cfrac{1}{2}(5)(4) \right)(8)\implies V=\cfrac{1}{3}(10)(8) \\\\\\ V=\cfrac{80}{3}\implies V=26\frac{2}{3}$