3 years ago

Complement of 63 degrees?

Mathematics

1 answer:

dsp733 years ago

6 0

Answer:

The complement of 63° is the angle that when added to 63° forms a right angle (90° ).

Step-by-step explanation:

I assume this is the answer u want, if not I apologize.

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Factor the expression:

Dovator [93]

Answer:

B) (4x-5i)(4x+5i)

Step-by-step explanation:

The expression can be treated as the difference of squares, and factored accordingly. That factoring is ...

a² -b² = (a -b)(a +b)

Here, we have ...

a² -b² = 16x² -(-25)

a² = 16x² ⇒ a = 4x

b² = -25 ⇒ b = √-25 = 5i

Then the factoring is ...

(a -b)(a +b) = (4x -5i)(4x +5i)

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3 years ago

7. In each case, write an equation that models the situation described. a) An antique is purchased for $5000 in 1990. It appreci

balandron [24]

A) A= 5000 x .0325 ( 31)
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3 years ago

Write a word problem about adding integers with the same sign. *

inna [77]

Peter weighs 156 pounds, but he would like to wrestle in a lower weight class.He loses 4 pounds one week, gains back 2 pounds the next, loses 5 pounds the third week and loses 3 pounds the fourth week.How much does

Peter weigh now?

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3 years ago

Find a power series representation for the function. (Give your power series representation centered at x = 0.)f(x) = x3x2 + 1f(

makkiz [27]

I suppose you mean

$f(x)=\dfrac{x^3}{x^2+1}$

Recall that for $|x|$ , we have

$\dfrac1{1-x}=\displaystyle\sum_{n=0}^\infty x^n$

Then

$\dfrac1{1+x^2}=\dfrac1{1-(-x^2)}=\displaystyle\sum_{n=0}^\infty(-x^2)^n=\sum_{n=0}^\infty(-1)^nx^{2n}$

which is valid for $|-x^2|=|x|^2$ , or more simply $|x|$ .

Finally,

$f(x)=\displaystyle\frac{x^3}{x^2+1}=\sum_{n=0}^\infty(-1)^nx^{2n+3}$

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chubhunter [2.5K]

Your answers are (5,12) (4,9) and (6,15)

These are all correct I jost took the quiz and got them all right:)

Please let me know if you need help with any other part of this quiz

I'll answer them to the best of my knowledge!

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3 years ago

Read 2 more answers