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klio [65]
3 years ago
9

Help ! Today 2/6/18?????

Mathematics
1 answer:
Mariana [72]3 years ago
8 0
Slope of KL = 2/2 = 1.
Slope of MN = 2/2 = 1.

Slope of LM = -1/2.
Slope of NK = -1/2.

The slopes of opposite sides KL and MN are equal.
The slopes of opposite sides LM and NK are equal.

Since quadrilateral KLMN has two pairs of opposite sides that are parallel, it is a parallelogram.

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Simplify the radical expression.
Ber [7]

\bf \sqrt[4]{625x^{12}y^8}~~ \begin{cases} 625=&5\cdot 5\cdot 5\cdot 5\\ &5^4\\ x^{12}=&x^{3\cdot 4}\\ &(x^3)^4\\ y^8=&y^{2\cdot 4}\\ &(y^2)^4 \end{cases}\implies \pm\sqrt[4]{5^4(x^3)^4(y^2)^4}\implies \begin{array}{llll} \pm5x^3y^2\\\\ 5|x^3|y^2\\\\ |5x^3y^2| \end{array}

8 0
3 years ago
There are 30 books on the library shelf, Sam noted that 1/6 of them are non fiction. Dan notes that 3/5 of the books are fiction
ehidna [41]

Answer:

7

Step-by-step explanation:

Fiction books:  (1/6) of 30 books = 5 books

Non-fiction books:  (3/5) of (30) books = 18 books

The subtotal here is 5 + 18, or 23.  

23 of the books are either fiction or non fiction.

30 - 23, or 7, of the books remain (are neither fiction nor non-fiction).

3 0
3 years ago
How many x intercept appear on the graph of the polynomial function F(x)=x4-5x2
4vir4ik [10]
f(x)=x^4-5x^2\\\\x^4-5x^2=0\\\\x^2(x^2-5)=0\\\\x^2[x^2-(\sqrt5)^2]=0\\\\x^2(x-\sqrt5)(x+\sqrt5)=0\iff x=0\ \vee\ x=\sqrt5\ \vee\ x=-\sqrt5

Answer: 3 x-intercepts.

3 0
4 years ago
Choose the correct zeros for the following quadratic function
Contact [7]
I need more information
7 0
3 years ago
Help me fast plz anybody
charle [14.2K]
1) Unknown info = amount of potting soil he bought last week
2). 28=2x+4
Where x=amount of potting soil he bought last week
3). 28=2x+4
-4 -4
---------------------
24=2x
/2 /2
----------------------
X=12

4) Emmanuel bought 12 lbs of potting soil last week
8 0
3 years ago
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