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3 years ago

Helppppp meeeeeeeeeeeeeeeee

Mathematics

2 answers:

viktelen [127]3 years ago

5 0

Answer:

A. 8/10

Step-by-step explanation:

(0.8 × 10) / (1 × 10) = 8/10 (since, multiplying 10 shifts the decimal point towards the right by one place)

Further, we can reduce fractions 8/10 by dividing the numerator and denominator by 2.

(8 ÷ 2) / (10 ÷ 2) = 4/5

Thus, 0.8 as a fraction is 8/10 or 4/5

bekas [8.4K]3 years ago

4 0

Answer:

Step-by-step explanation:

https://socratic.org/questions/how-do-you-convert-0-8-8-repeating-to-a-fraction

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Read 2 more answers

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3 years ago

Please help . I don’t understand it .

Mandarinka [93]

Answer:

$\sqrt{130} \ feet$

Step-by-step explanation:

In the figure attached to this solution a right angled triangle is formed with height as tent pole (9 feet), base as distance of rope pegged into ground from tent pole (7 feet) and hypotenuse as the guy's rope.

According to Pythagoras theorem :

$H^{2}=P^{2}+B^{2}$

H : Hypotenuse (here guy's rope)

B : Base (here distance of rope pegged into ground from tent pole = 7 feet)

P : Perpendicular (here tent pole = 9 feet)

$H^{2}=(9)^{2}+(7)^{2} \\ H^{2}=130 \\ \therefore H=\sqrt{130}$

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4 years ago