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2 years ago

NO WRONG ANSWERS !!! Evaluate 501 × 502

Mathematics

2 answers:

julia-pushkina [17]2 years ago

7 0

Answer:

251,502

Step-by-step explanation:

hope it helps!

....

saul85 [17]2 years ago

7 0

Answer:

501 × 502 = 251,502

...

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If 0.142857142857......is expressed in the form m/n, then what is the value<br>of (2m + n)?

frosja888 [35]

Answer:

The value will be: 1,285,713

Step-by-step explanation:

We have the number:

N = 0.142857...

Such that we have 6 decimals after the decimal point that repeat infinitely.

Then let's start by multiplying our number by 1,000,000 (same number of zeros as decimals after the decimal point)

Then we get:

1,000,000*N = 142,857.142857...

Now let's subtract N from both sides:

1,000,000*N - N = 142,857.142857... - 0.142857...

999,999*N = 142,857

Now let's isolate N

N = 142,857/999,999

Here is our number expressed in the form m/n, where:

m = 142,857

n = 999,999

Then the value of (2*m + n) is:

(2*142,857 + 999,999) = 1,285,713

5 0

3 years ago

Sam Collects baseball cards. He currently has 112 cards in his collection. He plans to buy 5 new cards every month, write a verb

GenaCL600 [577]

Hello! The answer to your question would be as followed:

The original number of cards + number of new cards per month * number of months; 112 + 5m; cards

4 0

3 years ago

A person sold an article at a profit of 15% if he sold it for Rs 81 less , his loss would have been 12% find the cost price of t

Misha Larkins [42]

Answer:

let cp be x

sp= 115x/100 ---(when 15%gain)

sp = 88x/100------(when 12% loss

according to question

115x/100 - 88x/100 = 81

or, (115x-88x)= 8100

or, 27x = 8100

or, x= 8100/27

x = 300

hence cp is RS 300

3 0

2 years ago

<img src="https://tex.z-dn.net/?f=%20%5Csqrt%7B2x%7D%20%2B%2012%20%3D%20x%20%2B%208%20" id="TexFormula1" title=" \sqrt{2x} + 12

Helga [31]

First note that $x\ge0$ ; otherwise $\sqrt{2x}$ is undefined as long as we're only looking for real solutions.

We can write

$\sqrt{2x}+12=x+8$
$\sqrt{2x}=x-4$
$2x=(x-4)^2$
$2x=x^2-8x+16$
$x^2-10x+16=0$
$(x-8)(x-2)=0$

$\implies x=8,x=2$

4 0

3 years ago

Can you help me please?

IrinaK [193]

Answer:

down bellow-

Step-by-step explanation:k ask ur parent/teacher

7 0

2 years ago

NO WRONG ANSWERS !!! Evaluate 501 × 502​

NO WRONG ANSWERS !!! Evaluate 501 × 502