Write the simplest form 7.7125

1 answer:

8 0

Answer:
7 57/80

Work:
7.7125= 7.7125/1

7.7125/1 * 10000/10000= 77125/10000

GCF=125

77125/125 / 10000/125 =617/80
=7 57/80

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Deon is running for president of the chess club, and he received 26 votes. There are 40 members in the club. What percentage

maxonik [38]

Answer:

65%

Step-by-step explanation:

13/20 =65%

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3 years ago

HELP!!!!!!!!!!!!!! I learned this two years ago and I don't remember how to do this anymore!!!!!!

Otrada [13]

So remember the acronym "SOH CAH TOA"

Sin = Opposite/Hypotenuse
Cos = Adjacent/Hypotenuse
Tan = Opposite/Adjacent

Opposite = Side that doesn't touch the angle
Adjacent = Side that touches the angle
Hypotenuse = Side that is across from the right angle

So we see that side a doesn't touch angle $\alpha$ , hence making it the opposite side. And we see that side b is across from the right angle, making it the hypotenuse. <u>Using this info, $\sin \alpha = \frac{a}{b}$ </u>

So we already know from part A that side b is the hypotenuse. And also since side c touches the angle, it is the adjacent.<u> Using this info, $\cos \alpha = \frac{c}{b}$ </u>