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Sedbober [7]
3 years ago
9

Find the approximate perimeter of rectangle ABCD plotted below.

Mathematics
1 answer:
andre [41]3 years ago
7 0

Answer:

30 unit

I hope I can help

Step-by-step explanation:

i hope I can help

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Find The distance between (-3,1) and (-1,6). If necessary,round to the nearest tenth.
kifflom [539]
Use distance formula:-

distance =  sqrt  [ (x2 - x1)^2 + (y2 - y1)^2) ]

let (x1,y1) = (-3,1) and (x2,y2) = (-1,6)   Plug these values in to formula.
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Find the partial fraction decomposition of x-3/x(x^2+3)
Setler [38]

Answer:

-1 / x + (x + 1) / (x² + 3)

Step-by-step explanation:

(x − 3) / (x (x² + 3))

There are two factors in the denominator, so split this into two fractions with unknown numerators:

A / x + (Bx + C) / (x² + 3)

Combine back into one fraction:

(A (x² + 3) + (Bx + C) x) / (x (x² + 3))

Now equate this numerator with the original:

A (x² + 3) + (Bx + C) x = x − 3

Ax² + 3A + Bx² + Cx = x − 3

(A + B) x² + Cx + 3A = x − 3

Match the coefficients:

A + B = 0

C = 1

3A = -3

Solve:

A = -1

B = 1

C = 1

Therefore, the partial fraction decomposition is:

-1 / x + (x + 1) / (x² + 3)

Here's a graph showing that the two are the same:

desmos.com/calculator/hrxfnijewh

3 0
3 years ago
Margaret and Donovan are twins. They have each kept track of their heights every year since they were 5.
guapka [62]

Answer: Margret grew faster than donovan

Step-by-step explanation:

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3 years ago
A newspaper poll found that 54% of the respondents in a random sample of voters from a district in a city plan to vote
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D

Step-by-step explanation:

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Select all the expressions that are equivalent to 8 - X.
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answer is :

B, C, G

hope this helps

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