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dmitriy555 [2]
3 years ago
12

Evaluate the limit n^3-2/n^2

Mathematics
2 answers:
AysviL [449]3 years ago
7 0

Answer:

This ones hard

Step-by-step explanation:

diamong [38]3 years ago
5 0

Answer:

<u>n⁵ - 2</u>

  n²

Step-by-step explanation:

n³−2/n²

To add or subtract expressions, expand them to make their denominators the same. Multiply n³  times n²/n²

<u>n³n²</u>  − <u>2</u>

 n²      n²

Since n³n²/n²  and 2/n²  have the same denominator, subtract them by subtracting their numerators.

<u>n³n² - 2</u>

     n²

Do the multiplications in n³n² - 2

<u>n⁵ - 2</u>

  n²

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F(x)=2x^2-5;find when f(x)=-7​
Daniel [21]

Answer:

x=i or no solution exists depending on the user's grade

Step-by-step explanation:

f(x) = 2x^2-5

-7 = 2x^2-5

-2 = 2x^2, x^2=-1, x=i

6 0
2 years ago
Read 2 more answers
What is the value of x?<br> pls help im so confused
Makovka662 [10]

In the proportional theory,

28 units is the total measurement that includes 8 units.

So, 10 + 3x - 5 is the total measurement that includes 10 units proportionally.

This means,

28 = 10 + 3x - 5

Now solve for x,

28 = 10 + 3x - 5

28 - 10 = 3x - 5

18 + 5 = 3x

23 = 3x

23 / 3 = x

So x = 23/3 or 7.6666....

5 0
3 years ago
In 5 years' time, Kate's father will be 3 times as old as Kate. Four years ago, her father
Brut [27]

Answer: Kate = 40/3  Her father = 50

Step-by-step explanation:

Let Kate's age in the present be K

And Kate's father's age in the present be F

3(K+5) = F+5

6(K-6) = F-6

Rearrange the first equation to get

3K+15 = F+5

3K+10 = F

Substitute that into the second question

6K-36 = 3K+10-6

3K = 40

K = 40/3

So F = 3*40/3+10 = 50

8 0
3 years ago
Find values of a and b that make the statement |a+b|= |a|+|b| false.
jok3333 [9.3K]

The values that make this statement falser are any in which a and b do not have the same sign.

For instance, if a was equal to 3 and b was equal to -3 than see the results.

|a+b|=

|3+-3|=

|0|= 0

Then see the next equation with the same selections

|a|+|b|

|3|+|-3|

3 + 3 = 6

And this would be true no matter which is the negative, as long as there is one negative and one positive.

3 0
3 years ago
Maria ran at a rate of 3.4 miles per hour for 6.8 hours. How many miles did she run in total?
Akimi4 [234]

Answer:

6.8+3.4=10.2

Step-by-step explanation:

8 0
3 years ago
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