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zalisa [80]
3 years ago
9

In NC, Henderson County has a land area of about 375 square miles and Perquimans County has a land area of about 250 square mile

s. Write these areas as a ratio: Henderson's area:Perquimans area
Mathematics
1 answer:
kirza4 [7]3 years ago
4 0

375 mi^2         15

--------------- =  ------ = 3/2

250 mi^2        10

The ratio of the population of Henderson County to that of Perquimans is 3/2.

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Select all the sentences that can be represented by the equation 25+p=38 A.25 is more than 38 is p B.25 times as much as p is 38
Natasha2012 [34]

Answer:

Option C: 38 is p more than 25

Step-by-step explanation:

the equation 25 + p = 38

can be read as 38 is 25 plus p units, or similarly ;

38 is p units more than 25.

Therefore from the three sentences you are showing, only the last one (option C) is the correct one.

4 0
3 years ago
Aight man can someone help me lol
uranmaximum [27]

Answer: 11/24

Step-by-step explanation:

whenever u see this — (

it means the opposite of. so the opposite of -5/8 is +5/8.

-1/6 + 5/8 = 11/24

4 0
3 years ago
Integrate x+1/sqrt(x). I know that the answer is 2/3 • sqrt(x) • (x+3) + C, but I don't know how it is simplified from 2/3 • x^3
Andreas93 [3]

\displaystyle\int\frac{x+1}{\sqrt x}\,\mathrm dx=\int\frac x{x^{1/2}}+\frac1{x^{1/2}}\,\mathrm dx

=\displaystyle\int x^{1/2}+x^{-1/2}\,\mathrm dx

By the power rule,

=\dfrac{x^{3/2}}{\frac32}+\dfrac{x^{1/2}}{\frac12}+C

(this seems to be the step you're not getting?)

=\dfrac23x^{3/2}+2x^{1/2}+C

The next step is to pull out a common factor of x^{1/2} from the antiderivative:

x^{3/2}=x^{1/2+1}=x^{1/2}\cdot x^1

so that the final result is

\dfrac23x^{3/2}+2x^{1/2}+C=\dfrac23x^{1/2}(x+3)+C

3 0
3 years ago
Which expression is equivalent to 1/3(12x+6x-21)
marin [14]

Answer:

6x-7

Step-by-step explanation:

\frac{1}{3} (12x + 6x -21)

break it into pieces

\frac{1}{3}*12x = 4x

\frac{1}{3}*6x=2x

\frac{1}{3} *-21=-7

put it all together

*since there's no negative in front  of the other numbers except 7 they're positive so you add them*

4x + 2x - 7

simplify

6x - 7

4 0
3 years ago
Please write an equation in slope intercept form that is parallel to the equation
gtnhenbr [62]

Answer:

y=1/4x-1.5

Step-by-step explanation:

So, because the line is parallel, the slope is the same. Then, to get the y-int, you do b=y-mx with the point, so the equation is b=-1-(1/4)(2), then you multiply to get b=-1-(0.5), so your y-int is -1.5.

(:P)

4 0
3 years ago
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