All the passages in a cave have the elevation below -8 meters with respect to sea level

Mathematics

2 answers:

horsena [70]3 years ago

6 0

Answer:

Let p be the the elevation of a passage in meters

An inequality that represents elevations below -8 meters is

p less than -8 meters. Mathematically,

$\boxed{p < - 8}$

<h3><u>p<-8</u> is the right answer.</h3>

serious [3.7K]3 years ago

3 0

Answer:

p<-8 and the inequality is the hole is left

Step-by-step explanation:

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3 years ago

For circle O, mCD=125° and m

Burka [1]

CA is a diameter of the circle, so $m\widehat{AC}=180^\circ$ , which means $m\angle AOB=m\angle AOD=m\widehat{AD}=180^\circ-m\widehat{CD}=55^\circ$ . Then $m\boxed{\angle ABO}=90^\circ-55^\circ=35^\circ$ .

This means $m\angle CBO=55^\circ-35^\circ=20^\circ$ . Also, if $m\angle AOB=55^\circ$ , then $m\angle BOC=180^\circ-55^\circ=125^\circ$ , which in turns tells us that $m\boxed{\angle BCO}=180^\circ-20^\circ-125^\circ=35^\circ$ .