It is rational................
Answer:
C and D because when you simplify them you get 1/2 and 5/6
Step-by-step explanation:
Answer: −8x−9
Step By Step:
Distribute the Negative Sign:
=−7x−14+−1(x−5)
=−7x+−14+−1x+(−1)(−5)
=−7x+−14+−x+5
Combine Like Terms:
=−7x+−14+−x+5
=(−7x+−x)+(−14+5)
=−8x+−9
Answer:
= −8x−9
Answer:
<h2>The obtuse angle is 120°.</h2><h2>The acute angle is 60°.</h2>
Step-by-step explanation:
This problem is about two crossing line, when that happens, we have 4 angles, two acute and two obtuse, where adjacent angles are supplementary and vertical angles are equal.
We can form the expression

Where
is an acute angle and
is an obtuse angle.}
Using all the given information, we have

Solving for
, we have

Therefore, the obtuse angle is 120°, which means the acute angle is 60°, because they are supplementary angles, as we said befor.
Answer:
B. Statistic
Step-by-step explanation:
The average weight of those questioned which is 157 lb. from the survey of 40 randomly selected member of a health and fitness club is an example of a statistic.
It is a calculated numerical value that characterises some aspects of a sample set of data.
Statistic refers to a numerical piece of information that uses quantified models, representations and synopses for a given set of a study. Statistic is used to to estimate the true value of a parameter in a population.