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3 years ago

5

A plot of land doubles in size by adding x meters to the length and x meters to the width of the land. If the original plot had

an area of 200 by 300 meters, what is the value of x?

1 answer:

mylen [45]3 years ago

6 0

2 * 200 * 300 = 200 + x * 300 + x = (200 + 300) * x

Solve for x.

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Find all integers $n$ for which $\frac{n^2+n+1}{n-1}$ is an integer.

Grace [21]

$\dfrac{n^2+n+1}{n-1}=\dfrac{(n-1)^2+3(n-1)+3}{n-1}=n-2+\dfrac3{n-1}$

The remainder term $\dfrac3{n-1}$ will never vanish, and will always be rational as long as the denominator is not 1, 3, or -3.

$n-1=1\implies n=2$
$n-1=3\implies n=4$
$n-1=-3\implies n=-2$

7 0

3 years ago

Answer this quickly plx

Natalija [7]

Answer:

10x+200 $\leq$ 375

Step-by-step explanation:

subtract 200 from both sides

10x $\leq$ 175

divide both sides by 10

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5 0

3 years ago

X^2 - (x-y)^2 •y. If x = -5 and y = -8

ki77a [65]

Equation: x² - (x - y)² * y

Substitute values for x and y into equation.

-> (-5)² - ( (-5) - (-8) )² * (-8)
-> 25 - (-5 + 8)² * (-8)
-> 25 - (3)² * (-8)
-> 25 - 9 * (-8)
-> 25 - (-72)
-> 25 + 72
-> 97

3 0

3 years ago

PLEASE HELP I SWEAR I WILL GIVE 50 POINTS AND BRAINLIEST

Angelina_Jolie [31]

Answer:

No it doesnt and if you did have an outlier it would greatly affect the mean because if there was an outlier the mean would move closer to the outlier.

Step-by-step explanation:

6 0

3 years ago

Russell's monthly net income is $2397.his housing budget for the month is $685 .housing is what percentage of his monthly net in

Rus_ich [418]

If $2397 is 100%
and $685 is unknown

685x100=68500
68500/2397=28.5774

round to 29%

6 0

3 years ago