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3 years ago

What is 14390 plus 31847

Mathematics

2 answers:

Ymorist [56]3 years ago

8 0

14,390 + 31,847 = 46,237

GuDViN [60]3 years ago

7 0

Answer:

Step-by-step explanation:

add together. stack them.

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Someone help... pleaseee

frutty [35]

Answer:

2x + 8

Step-by-step explanation:

Don't worry, this is simple! Add up the common terms.

For example, you can't add up 2x and 5, because 2 is being multiplied by a variable.

So combine the x terms: 2x

And the numerical terms: 8

Combine 2x and positive 8.

2x + 8

7 0

3 years ago

Help me do the ones marked in red.

Dmitrij [34]

Answer:

2. "two thirds of the fourth power of r"

4. n + 14

6. 7 +11n

8. (2/5)n^2

7. 28

8. 1/5

Step-by-step explanation:

2. "two thirds of the fourth power of r"

4. "sum" means the listed items are added. You can use any convenient variable to represent "a number." I often use n for number.

n + 14

6. "7 more than" means 7 is added to whatever follows. "11 times a number" means the number is multiplied by 11.

7 + 11n

8. "of" means "times". The square of a number is that number to the power of 2.

(2/5)n^2

7 & 8 (evaluation). Your calculator can do this. (If not, get one that can.) Note that parentheses are needed around numerators and denominators and anything else that must be treated as a single value.

8 0

3 years ago

A Bernoulli differential equation is one of the form dxdy+P(x)y=Q(x)yn Observe that, if n=0 or 1, the Bernoulli equation is line

aleksandr82 [10.1K]

It's unclear whether the ODE is

$xy'+y=4xy^2$

$xy+y'=4xy^2$

If the first case, then divide through both sides by $y^2$ to get

$xy^{-2}y'+y^{-1}=4x$

then substitute $z=y^{-1}$ , so that $z'=-y^{-2}y'$ . Then

$-xz'+z=4x\implies-\dfrac1xz'+\dfrac1{x^2}z=\left(-\dfrac1xz\right)'=\dfrac4x$

$\implies-\dfrac1xz=\displaystyle\int\frac4x\,\mathrm dx$

$\implies z=-4x\ln|x|+Cx$

$\implies\boxed{y=\dfrac1{Cx-4x\ln|x|}}$

If the second, then dividing through by $y^2$ gives

$xy^{-1}+y^{-2}y'=4x$

The same substitution as before gives

$xz-z'=4x\implies e^{-x^2/2}z'-xe^{-x^2/2}z=\left(e^{-x^2/2}z\right)'=-4xe^{-x^2/2}$

$\implies e^{-x^2/2}z=\displaystyle-4\int xe^{-x^2/2}\,\mathrm dx$

$\implies z=4+Ce^{x^2/2}$

$\implies\boxed{y=\dfrac1{4+Ce^{x^2/2}}}$

5 0

3 years ago

The Massachusetts Department of Employment and Training predicted that there will be 21% more jobs for computer programmers in M

vova2212 [387]

Answer:

19,324

Step-by-step explanation:

The original amount is 100% of the original amount since 100% means a whole amount.

A 21% increase means that the new amount will be 100% + 21% = 121% of the original amount.

Now we calculate 121% of 15,970.

To find a percent of a number, multiply the percent by the number. First, divide the percent by 100 to change it into a decimal.

121% of 15,970 =

= 121% * 15,970

= 1.21 * 15,970

= 19,323.7

Answer:

19,324

4 0

3 years ago

What is the mean of 2,9,1,10,4,4

SOVA2 [1]

Answer:

2+9+1+10+4+4 = 30

30/6 = 5

The mean is 5

8 0

3 years ago

Read 2 more answers