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3 years ago

Go get this app it is amazing

Mathematics

2 answers:

sp2606 [1]3 years ago

6 0

What is it? Is it for help with math?

vampirchik [111]3 years ago

4 0

Answer:

Math - basically here explination below

Step-by-step explanation:

You take a picture of your problem and the app does it for you i only tried it with math so i am not sure if solves any other subjects ?? I hope they do add other subjects if it only does math

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Find the sum of the reciprocals of two consecutive even integers if the larger integer is x. please answer;-;

Harman [31]

Step-by-step explanation:

Let the larger integer be x

Hence, the smaller integer = x-2

Hence,

Reciprocal of the x= 1/x

Reciprocal of x-2= 1/ x-2

Hence. their sum=

$\frac{1}{x} + \frac{1}{x - 2} \\ = \frac{x - 2 + x}{x(x - 2)} \\ = \frac{2x - 2}{ {x}^{2} - 2x}$

4 0

3 years ago

In the diagram below, the radii of the two concentric circles are 3 centimeters and 7 centimeters, respectively.

True [87]

Answer:

125.6 cm²

Step-by-step explanation:

Area of the shaded region = area of larger circle - area of the smaller circle

Area of the smaller circle = πr²

π = 3.14, r = 3 cm

Area of smaller circle = 3.14*3² = 3.14*9 = 28.26 cm²

Area of larger circle = πr²

π = 3.14, r = 7

Area of larger circle = 3.14*7² = 3.14*49 = 153.86 cm²

Area of the shaded region = 153.86 - 28.26 = 125.6 cm²

5 0

3 years ago

Rajit buys 4 pairs of socks for $2.50 per pair. He pays with a $20 bill.

sveta [45]

2.50 x 4 = 10

20 - 10 = 10

so his change would be $10

5 0

4 years ago

Read 2 more answers

How do you rearrange the equation (2x) /(4pi) +((1-x) /2) =0 to solve for x?

USPshnik [31]

$\frac{2x}{4 \pi } + \frac{1-x}{2} =0 \\ 
 \frac{x}{2 \pi } + \frac{1-x}{2} = 0$
Then we will multiply both sides of the equation by 2 π :
x + π ( 1 - x ) = 0
x + π - π x = 0
x ( 1 - π ) = - π / · ( - 1 )
x ( π - 1 ) = π
x = π / ( π - 1 )

3 0

4 years ago

The sum of two consecutive integers is 471.<br><br> what is the equation

Naddik [55]

Answer:

x+(x+1)=471

Step-by-step explanation:

6 0

4 years ago