3 years ago

Write an equation to find the number of Mr.night's homeroom if the total number of students is 90

1 answer:

5 0

This question is obviosly missing an ending but, I bet you will have to divide.

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ki77a [65]

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3 years ago

vfiekz [6]

the answer is C) four

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3 years ago

tekilochka [14]

The height of the kite will be 6.6 ft rounded to the nearest tenth.

Explanation

According to the below diagram, AB is the height of the kite and AC is the 12 ft line attached to it.

The line is pulled taut and casts a 10 ft shadow. That means BC = 10 ft

Now, in right angle triangle ABC, using Pythagorean theorem....

$(AB)^2 +(BC)^2 = (AC)^2 \\ \\ (AB)^2 +(10)^2 = (12)^2 \\ \\ (AB)^2 +100 = 144\\ \\ (AB)^2 = 144-100 =44\\ \\ AB=\sqrt{44}= 6.6332....$

So, the height of the kite will be 6.6 ft rounded to the nearest tenth.

6 0

3 years ago