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Nitella [24]
3 years ago
13

The library is purchasing new library books. They have chosen 29 books that each sell for $3.95. How much will all the books cos

t?
Mathematics
2 answers:
kenny6666 [7]3 years ago
7 0
114.55 US Dollars 29x$3.95 is $114.55
Brilliant_brown [7]3 years ago
6 0
Hello there!

Here is your answer:

$3.95 × 29 = $114.55

Hope this helps you!

~Alexa
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95i is a root of f(x)=x^2 +9025. find the other roots of f(x)
Alex_Xolod [135]

Answer:

Other root is -95i

Step-by-step explanation:

Here, Nature of roots of f(x) is imaginary roots.

Therefore, Roots are conjugate of each other.

Conjugate of x + yi is x - yi.

we get conjugate of 95i as -95i

Verification shows....

(x-95)(x+95i)=0

{x }^{2}  -  {95}^{2}  {i}^{2}  = 0 \\  {x }^{2}   + {95}^{2} = 0  \\ {x }^{2}   + 9025= 0   \\ f(x) = 0

this, roots are -95i and 95i

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4 years ago
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Can someone please help me with this!!
NeTakaya

Step-by-step explanation:

(-5, - 12) lies on the terminal side of angle \theta

\therefore \: ( - 5 \:  - 12) = (x \: y) \\ r =  \sqrt{ {x}^{2}  +  {y}^{2} } \\  =  \sqrt{ {( - 5)}^{2}  +  {( - 12)}^{2} } \\  =  \sqrt{25 + 144}  \\  =  \sqrt{169}  \\  r= 13 \\  \\  \sin \theta =  \frac{y}{r}  =  -  \frac{12}{13}  \\  \\  \cos \theta =  \frac{x}{r}  =  -  \frac{5}{13}  \\  \\  \tan \theta =  \frac{y}{x}  =   \frac{ - 12}{ - 5}  =  \frac{12}{5}  \\  \\  \csc \theta =  \frac{r}{y}  =  -  \frac{13}{12}  \\  \\  \sec \theta =  \frac{r}{x}  =  -  \frac{13}{5}  \\  \\  \cot \theta =  \frac{x}{y}  =   \frac{ - 5}{ - 12}  =  \frac{5}{12}

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4 years ago
I need to know the value of x.​
allsm [11]

Answer:

Step-by-step explanation:

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