3 years ago

Please help.... i cant fail

Mathematics

2 answers:

fenix001 [56]3 years ago

8 0

Answer:

Ask your mom or dad

Step-by-step explanation:

You didn't show all the information so that i an anserc

Levart [38]3 years ago

5 0

Please take a picture of the whole paper

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Hilda draws a card from a deck of cards and it is a seven. The probability that it is the 7 of spades is Select one: O a. 1/3 O

Schach [20]

Answer:b

Step-by-step explanation:

Given

Hilda draws a card from a deck of cards and it is seven.

It is certain that card is 7 so there a 4 cards which can be 7

i.e. 7 of hearts,7 of spades,7 of club,7 of diamond

So probability that it is the 7 of spades is

$\frac{1}{4}=0.25$

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4 years ago

find the Taylor Series for tan−1(x) based at 0. Give your answer using summation notation and give the largest open interval on

enyata [817]

Let $f(x)=\tan^{-1}x$ . Then $f'(x)=\frac1{1+x^2}$ . Note that $f(0)=0$ .

Recall that for $|x|$ , we have

$\displaystyle\frac1{1-x}=\sum_{n\ge0}x^n$

This means that for $|-x^2|=|x|^2$ , or $-1$ , we have

$\displaystyle f'(x)=\frac1{1+x^2}=\frac1{1-(-x^2)}=\sum_{n\ge0}(-x^2)^n=\sum_{n\ge0}(-1)^nx^{2n}$

Integrate the series to get

$f(x)=f(0)+\displaystyle\sum_{n\ge0}\frac{(-1)^n}{2n+1}x^{2n+1}$

$\implies\tan^{-1}x=\displaystyle\sum_{n\ge0}\frac{(-1)^n}{2n+1}x^{2n+1}$

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3 years ago

To get ready for school supply shopping, a store orders 25,000 folders. The store gets another shipment of 15,250 folders the da

alexandr402 [8]

Answer:

7,850

I’m pretty sure that’s right, I just added 25,000 and 15,250 together then subtracted the answer from 32,400 and got 7,850

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3 years ago

Use the long division method to find the result when 12x3 + 27x2 + 23x + 10 is

TEA [102]

12x3+27x2+23x+10/ 4x+5

3x2 + 3x + 2

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3 years ago

Evaluate exactly in radians: arctan(1/sqrt(3)). Show solution w/ explanation.

balandron [24]

Arc tan ( 1/√3 ) = arc tan ( √3/3 ) = 30°
180° = π ( in radians )
30° = 180°/6 = π/6

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3 years ago