3 years ago

Given the following triangle, what is the measure of the missing side?

1 answer:

8 0

It's a half of an equilateral triangle because their angles measure 30° and 60° (an equilateral triangle has 3 angles of 60°)
So x=(2h/√3)/2=h√3=27√3≈15.6

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Challenger Elementary School has 800 students. Every Wednesday, 12 percent of the students stay after school for Chess Club.

DENIUS [597]

Let's set up a proportion.

$\frac{x}{800} \frac{12}{100}$

Then solve for x:
12 x 800 = 9600
9600/100 = 96

96 is 12% of the 800 students. :)

Hope this helped! If you have anymore questions or don't understand, please comment or DM me. :)

8 0

2 years ago

Read 2 more answers

3.5d + 6.25 = 1 + 5.25d<br><br> The solution is d =

vodka [1.7K]

Answer:

d = 3

Step-by-step explanation:

3.5d + 6.25 = 1 + 5.25d

5.25d - 3.5d = 6.25 - 1

1.75d = 5.25

d = 5.25 ÷ 1.75 = 3