3 years ago

Choose the correct classification of x6 + 3x3 by number of terms and by degree

Mathematics

2 answers:

DIA [1.3K]3 years ago

8 0

Answer:

The answer is D I just took the test

Step-by-step explanation:

kupik [55]3 years ago

6 0

Degree is 6 .......There are 2 terms

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of the 50 U.S states, 4 have names that start with the letter W. What percentage of U.S. states have names that start with the l

serious [3.7K]

Answer:

8% of of the Us states have the names that start with W.

Step-by-step explanation:

We are told that, of the 50 states, 4 have names that start with letter W, and to figure out what percentage of U.S. states have names that start with the letter W, we need to know what what 4 is what percent of 50.

We figure this out the following way:

Percent = $\frac{4}{50} *100=0.08*100 =8$

Percent = 8%

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4 years ago

For an angle 0 with the point (-20,-21) on its terminating side, what is the value of cosine ?

Karo-lina-s [1.5K]

check the picture below.

$\bf (\stackrel{a}{-20},\stackrel{b}{-21})\impliedby \textit{let's find the \underline{hypotenuse}} \\\\\\ \textit{using the pythagorean theorem} \\\\ c^2=a^2+b^2\implies c=\sqrt{a^2+b^2} \qquad \begin{cases} c=hypotenuse\\ a=\stackrel{adjacent}{-20}\\ b=\stackrel{opposite}{-21}\\ \end{cases} \\\\\\ c=\sqrt{(-20)^2+(-21)^2}\implies c=\sqrt{841}\implies c=29 \\\\[-0.35em] ~\dotfill\\\\ ~\hfill cos(\theta )=\cfrac{\stackrel{adjacent}{-20}}{\stackrel{hypotenuse}{29}}~\hfill$