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Archy [21]
3 years ago
13

URGENT!!! Please help!

Mathematics
1 answer:
serious [3.7K]3 years ago
3 0

Answer:

13 ft

Step-by-step explanation:

c^2 = a^2 + b^2

C^2 = 5^2 + 12^2

C^2 = 25 + 144

c^2 = 169

c = 13 ft

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Can you make all the numbers from 1 to 20 using 4 fours?
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Step-by-step explanation: 4, 8, 12, 16, 20

8 0
2 years ago
Read 2 more answers
If ON= 5x - 7, LM = 4x+ 4, NM = x -7, and OL =3y-4, find the values of c and y for which LMNO MUST BE a parallelogram.
Sholpan [36]

Answer:

x=11, y=8/3

Step-by-step explanation:

Consider quadrilateral LMNO. If this quadrilateral MUST BE a parallelogram, then

LM=NO

and

LO=MN

Thus,

\left\{\begin{array}{l}4x+4=5x-7\\ \\x-7=3y-4\end{array}\right.

Solve this system of two equations. From the first equation:

4x-5x=-7-4\\ \\-x=-11\\ \\x=11

Substitute it into the second equation:

11-7=3y-4\\ \\3y-4=4\\ \\3y=4+4\\ \\3y=8\\ \\y=\dfrac{8}{3}

4 0
3 years ago
Given the sequence rn defined recursively below, find r3. r1rn=2=−rn−1+n−2
kifflom [539]

Answer:

r_3=3

Step-by-step explanation:

Given:

r_1=2\\r_n=-r_{n-1}+n-2

We want to find the value of r_3 .

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7 0
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djverab [1.8K]

Answer:

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Step-by-step explanation:

4 0
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Pepsi [2]
$39.96 should be ur answer

5 0
3 years ago
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