How do you simplify (1/x+h) - (1/x)

Answers

Answer 1

Answer: This one is simple. Distribute the negative (-) to the 1/x. The 1/x becomes negative and you can cancel the 1/x out. This leaves you with "h". Hope this helps!

Answer 2

Answer: $(1)/(x+h)-(1)/(x)$
You need a common denominator. That will be x(x +h).
$(x)/(x(x+h))-((x+h))/(x(x+h)) \n \n (x-(x+h))/(x(x+h)) \n \n (-h)/(x^2+hx)$

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What 2 numbers multiply to be -14 and add to be -3

Answers

xy = -14
x + y = -3

$xy = -14$
$(xy)/(x) = (-14)/(x)$
$y = (-14)/(x)$

$x + y = -3$
$x + (-14)/(x) = -3$
$(x^(2))/(x) + (-14)/(x) = -3$
$(x^(2) - 14)/(x) = -3$
$x^(2) - 14 = -3x$
$x^(2) + 3x - 14 = 0$
$x = \frac{-(3) \± \sqrt{(3)^(2) - 4(1)(-14)}}{2(1)}$
$x = (-3 \± √(9 + 56))/(2)$
$x = (-3 \± √(65))/(2)$
$x = (-3 \± 8.06)/(2)$
$x = -1.5 \± 4.03$
$x = -1.5 + 4.03$ $or$ $x = -1.5 - 4.03$
$x = 2.53$ $or$ $x = -5.53$

  x + y = -3
2.53 + y = -3
- 2.53 - 2.53
  y = -5.53
  (x, y) = (2.53, -5.53)

x + y = -3
  -5.53 + y = -3
+ 5.53   + 5.53
  y = 2.53
  (x, y) = (-5.53, 2.53)

The two numbers that multiply to -14 and add up to -3 are -5.53 and 2.53.

Answer:

number one is corout

Step-by-step explanation

determine the domain of the function. f(x) = sqrt 9 - x x ≤ 9 all real numbers except 9 all real numbers x > 9

Answers

f(x) = sqrt(9 - x)

Domain is x ≤ 9

How many years would it take for a person it the united states to eat 855 pound of apples?

Answers

It would take him

2.342 / A years

where 'A' = the average weight of apples
that the person eats every single day.

A rectangular pool measures 10m by 5m. A deck, of uniform width, is to be built all the way around the pool such that the total area of the pool and deck will be126m2 . Set up and solve a quadratic equation to determine the width of the deck.

Answers

Answer:

The width of the deck is 2m .

Step-by-step explanation:

Let the width of the pool be represented by w. As stated in the problem a deck of uniform width is to be built so the total width of the pool and deck will be w+w = 2w.

Now the total dimensions can be taken as

10m+ 2w and 5m + 2w of both the pool and deck.

Area = length * breadth

126m ²= (10m+ 2w) ( 5m + 2w )

126= 50 + 30 w+ 4w²

0= 50 -126+ 30 w+ 4w²

0 = 30 w+ 4w²- 76

Taking 2 as common

0= 2( 15 w+ 2w² - 38)

2w²+ 15 w - 38= 0

The above equation is the quadratic equation and can be solved as follows.

a= 2 , b= 15 and c= -38

b= -b±√b²- 4ac/2a

Putting the values

b= - 15±√15²- 4( 2)(-38)/2(2)

b= - 15± 23/4

b= - 38/4 or 8/4

b= 2 m

The width cannot be negative so we ignore the negative value

The width of the deck is 2m .

The can be checked by putting the value in the original equation.

126m ²= (10m+ 2w) ( 5m + 2w )

126m ²= (10m+ 2(2)) ( 5m + 2(2) )

126m ²= (10m+ 4) ( 5m + 4 )

126m ²= 14*9

126m ²= 126m ²

What do the letters CLU stand for in relation to an insurance agent

Answers

Chartered Life Underwriter :)

CLU stands for Chartered Life Underwriter. It's one of the top three designations to understanding a client's situation along with CFP and ChFC. It includes five required courses: Fundamentals of Insurance Planning, Life Insurance Law, Individual Life Insurance, Fundamentals of Estate Planning, and Planning for Business Owners and Professionals

The _______ is used to express absolute temperatures in the English system of measurement. A. Celsius scale
B. Fahrenheit scale
C. Rankine scale
D. Kelvin scale

Answers

For america it's Fahrenheit
for most of the rest of the world it is Celsius

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