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SashulF [63]
4 years ago
7

What are the leading coefficient, constant term and degree, if any, of the algebraic expression 7^x + 2x + 1?

Mathematics
1 answer:
pochemuha4 years ago
7 0
The answer is c sorry if im wromg
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Avery works on commission as a car saleswoman. She sold a car today that cost $8,000 and received a $400 commission. What percen
Vikentia [17]
 the answer i got was 5% , because all you have to do is perform a proportion . you put $400 which is what avery made over the total money of the sale which is $8,000 . then you put n the variable over 100 so you can find the percentage of her commission . now you have to cross multiply , so you would multiply $400 and 100 . & $8,000 with the variable n . in the end you'll get 400*100= 40,000 and 8,000n= 8,000n . now you would divide 40,000 by 8,000 to get rid of the 8,000 off the variable . so 40,000/8,000= 5 . so the percentage of her sale is actually hers is only 5% .
6 0
3 years ago
I need help plz. Its DeMoivres Theorem
vagabundo [1.1K]

\bf \qquad \textit{power of two complex numbers} \\\\\ [\quad r[cos(\theta)+isin(\theta)]\quad ]^n\implies r^n[cos(n\cdot \theta)+isin(n\cdot \theta)] \\\\[-0.35em] \rule{34em}{0.25pt}\\\\ z=\stackrel{a}{-1}\stackrel{b}{-\sqrt{3}~i}~~ \begin{cases} r=\sqrt{a^2+b^2}\\ \theta =tan^{-1}\left( \frac{b}{a} \right)\\[-0.5em] \hrulefill\\ r=\sqrt{(-1)^2+(\sqrt{3})^2}\\ \qquad \sqrt{4}\\ \qquad 2\\ \theta =tan^{-1}\left( \frac{-\sqrt{3}}{-1} \right)\\\\ \qquad \frac{4\pi }{3} \end{cases}

\bf z=2\left[ cos\left( \frac{4\pi }{3} \right) -i~sin\left( \frac{4\pi }{3} \right)\right]\implies z^6=\left[ 2\left[ cos\left( \frac{4\pi }{3} \right) -i~sin\left( \frac{4\pi }{3} \right)\right] \right]^6 \\\\\\ z^6=2^6\left[ cos\left( 6\cdot \frac{4\pi }{3} \right) -i~sin\left( 6\cdot \frac{4\pi }{3} \right)\right]\implies z^6=64[cos(8\pi )-i~sin(8\pi )] \\\\\\ z^6=64[(-1)-i~(0)]\implies z^6=\stackrel{\stackrel{a}{\downarrow }}{-64}~~\stackrel{\stackrel{b}{\downarrow }}{-0i}

4 0
4 years ago
A squirrel family collected 72nuts to the store for the winter.They spread teh nuts out evenly between their 6 favorite location
RideAnS [48]

Answer:

The crow stole 6 nuts

Step-by-step explanation:


6 0
4 years ago
Read 2 more answers
What is the answer to −6(x +2) − 2
kkurt [141]

Answer: hii <3

<em>The Answer Is </em>= <u>−6x−14</u>

Step-by-step explanation:

Simplify the expression.

Hopefully this helps <em>you</em>

- Matthew :)

7 0
2 years ago
Read 2 more answers
Which expression represents the fourth term in the binomial expansion of (e+2f)10
Darina [25.2K]
A = e;  b = 2 f;  n = 10.
The fourth term is:
T 4 = T (3+1) = ( 10 * 9 * 8 ) / ( 3 * 2 * 1 ) * e^7 * ( 2 f ) ^3 =
= 120 * e^7 * 2^3 * b^3 =
=  120 * 8 * e^7 * b^3 =
= 960 * e^7 * b^3 
8 0
3 years ago
Read 2 more answers
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