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Soloha48 [4]
2 years ago
13

Evaluate the function f(x) = x2 + 3x for both of the following:

Mathematics
1 answer:
marissa [1.9K]2 years ago
6 0
F(x)=x²+3x

f(0)=0²+3*0=0+0=0

Answer: f(0)=0

f(4)=4²+3*4=16+12=28

Answer: f(4)=28
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If each interior angle of the regular polygon measures 168º, how many sides does the polygon have?
iogann1982 [59]

Answer: Hello, there! Sorry Im late But your answer is Below

30 sides Would be the correct answer

Step-by-step explanation:

t has 30 sides. The formula (n-2)×180 can be used to find the sum of the interior angles of ANY polygon where n is the number of sides in the polygon.

Hope this Helps!!

Have a great day!!!

5 0
3 years ago
Factorise 6x² -5x -21
Alex Ar [27]
I think it’s this but I’m not sure

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3 years ago
What is the completely simplified equivalent of 2/(5+i)?
Bezzdna [24]

namely, let's rationalize the denominator in the fraction, for which case we'll be using the <u>conjugate</u> of that denominator, so we'll multiply top and bottom by its <u>conjugate</u>.

so the denominator is 5 + i, simply enough, its conjugate is just 5 - i, recall that same/same = 1, thus (5-i)/(5-i) = 1, and any expression multiplied by 1 is just itself, so we're not really changing the fraction per se.

\bf \cfrac{2}{5+i}\cdot \cfrac{5-i}{5-i}\implies \cfrac{2(5-i)}{\stackrel{\textit{difference of squares}}{(5+i)(5-i)}}\implies \cfrac{2(5-i)}{\stackrel{\textit{recall }i^2=-1}{5^2-i^2}}\implies \cfrac{2(5-i)}{25-(-1)} \\\\\\ \cfrac{2(5-i)}{25+1}\implies \cfrac{2(5-i)}{26}\implies \cfrac{5-i}{13}

4 0
3 years ago
CAN SOMEONE HELP MEE
Artist 52 [7]

Answer:

11.45

Step-by-step explanation:

the circumference is 36 so divide it by pie then rounded it to the nearest hundredths place

7 0
3 years ago
with the major options package and destination charge, a sports car costs $24,416. the base price of the car was ten times the p
victus00 [196]
<span />x=base price
x/10=major options package
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x+x/10+x/50=24,416

x=21,800
3 0
3 years ago
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