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3 years ago

√x=x^2 is the equation correct

Mathematics

2 answers:

galben [10]3 years ago

6 0

Answer:

This equation is incorrect.

Step-by-step explanation:

The sqrt(x) does not equal x squared.

You can rewrite a square root to be to the one-half power. See if this looks correct:

x^(1/2) ?= x^2

No of course these aren't equal. Hence, this equation is incorrect.

Cheers.

malfutka [58]3 years ago

4 0

Answer:

Step-by-step explanation:

It is x^(1/2)

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3 years ago

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4 years ago

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3 years ago

Find two consecutive even whole numbers whose product is 288

asambeis [7]

Let's write an equation describing the problem.

Any even whole number may be represented by writing $2n$ in which $n$ is any non-negative integer.

It follows that for a even whole number $2n$ the next (consecutive) even whole number can be written as $2(n+1)$ .

We now need to solve the following equation:

$2n*2(n+1)=288$

If we solve for $n$ we get:

$n=-9 ,8$

We have to values, as the equation is quadratic. We take the positive one as the correct one. So $n=8$ , and if we plug in this value to $2n$ and $2(n+1)$ we know that the asnwer is 16 and 18.

4 0

3 years ago

A student solved this problem by making a table. Andy has $150. Marta has $120. In how many years will they both have the same a

SpyIntel [72]

Assuming that I am properly understand your question, all you have to do is get the initial values for each individual and add their savings monthly.

Starting
Josie: 80
Addie: 60

One month
Josie: 110
Addie: 100

Two months
Josie: 140
Addie: 140

So two months would be the answer.

You could also do...
x = months

80 + 30x = 60 + 40x
20 + 30x = 40x
20 = 10x (Divide by ten on both sides)
2 = x

2 Months

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3 years ago