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Serjik [45]
3 years ago
12

Tolong bikin hari ini terakhir di kirim ​

Mathematics
2 answers:
statuscvo [17]3 years ago
5 0

Answer:

try the answer D

Step-by-step explanation:

Juliette [100K]3 years ago
5 0
haiahaiajs sksksbanajis
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The length of a rectangle is 4 m less than the diagonal and the width is 5 m less than the diagonal. If the area is 82 m^2, how
nikklg [1K]

I hate rounding.

Let's call the diagonal x.  It's the hypotenuse of the right triangle whose legs are the rectangle sides.

According to the problem we have a length x-4 and a width x-5 and an area

82 = (x-4)(x-5)

82 = x^2 - 9x + 20

0 = x^2 - 9x - 62

That one doesn't seem to factor so we go to the quadratic formula

x = \frac 1 2(9 \pm \sqrt{9^2-4(62)}) = \frac 1 2(9 \pm \sqrt{329})

Only the positive value makes any sense for this problem, so we conclude

x = \frac 1 2(9 \pm \sqrt{329})

That's the exact answer.  Did I mention I hate rounding?  That's about

x = 13.6 meters

Answer: 13.6

----------

It's not clear to me this problem is consistent.  By the Pythagorean Theorem the diagonal satisfies

x^2 = (x-4)^2 + (x-5)^2

which works out to

x=9 \pm 2\sqrt{10}

That's not consistent with the first answer; this problem really has no solution.  Tell your teacher to get better material.

5 0
2 years ago
Can Somebody Please Help Me With This!!
adelina 88 [10]

Answer:

I think A

Step-by-step explanation:

sorry if it is not correct hope it helps

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2 years ago
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Answer:

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3 0
3 years ago
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A pentomino is made up of five squares where two squares are joined along an entire side. Two pen- tominos are the same if they
Studentka2010 [4]

There are 12 such shapes. One can start with two squares, adding squares around the edge and rejecting shapes that have been previously seen. Repeating until you have 5 squares results in 12 distinct shapes.

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2 shapes are possible with 3 squares: L, I

5 shapes are possible with 4 squares: L, I, N, T, O

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3 years ago
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1n=n Answer:

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