4 years ago

Five thousand three hundred nine divided by forty three

Mathematics

1 answer:

Marizza181 [45]4 years ago

4 0

123.4651163 or rounded to 123.47

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Use the information below to complete the problem: p(x) = (1)/(x + 1)

bija089 [108]

Given:

The functions are:

$p(x)=\dfrac{1}{x+1}$

$q(x)=\dfrac{1}{x-1}$

To find:

The rational expression for $p(x)-q(x)$ .

Solution:

We have,

$p(x)=\dfrac{1}{x+1}$

$q(x)=\dfrac{1}{x-1}$

Now,

$p(x)-q(x)=\dfrac{1}{x+1}-\dfrac{1}{x-1}$

$p(x)-q(x)=\dfrac{(x-1)-(x+1)}{(x+1)(x-1)}$

$p(x)-q(x)=\dfrac{x-1-x-1}{x^2-1^2}$ $[\because a^2-b^2=(a-b)(a+b)]$

$p(x)-q(x)=\dfrac{-2}{x^2-1}$

Therefore, the required rational expression for $p(x)-q(x)$ is $\dfrac{-2}{x^2-1}$ .

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3 years ago

Can someone help me with this one 2 ??

vitfil [10]

I think C is correct :)

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3 years ago

Read 2 more answers

Which algebraic expression represents the difference of e squared and twenty-one? A. E2+21 b.21 times e2 c. E2 - 21 d. 21 divide

Digiron [165]

Answer: c. E2 - 21

Step-by-step explanation:

difference means to subtract

Now, e squared=E² and twenty-one=21

Therefore the difference of e squared and twenty-one is E2 - 21

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3 years ago

8. Which expression is equivalent to

Ksju [112]

Answer:

option 3

Step-by-step explanation:

$\dfrac{a^{m}}{a^{n}}=a^{m-n}\\\\$

$\dfrac{12x^{4}}{4x^{16}}=3x^{4-16}$

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2 years ago

Jeremy has a box of 500 nails that weighs 1.35 kilograms. He uses 60 nails to build a birdhouse. How much do the nails in the bi

madreJ [45]

.162 kilograms?

How I got my answer:

1.35÷500=.0027

.0027×60=.162

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4 years ago