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Alika [10]
3 years ago
12

I want to give them away!!!!

Mathematics
1 answer:
zhuklara [117]3 years ago
8 0

Answer:

but why? Im just curious lol. but thanks! ^^

Step-by-step explanation:

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Using Triangle Similarity Theorems (6)
Fantom [35]

Answer:

DC = 3

Step-by-step explanation:

Based on triangle similarity theorem, we would have the following equation:

\frac{AD}{AC} = \frac{AE}{AB}

Plug in the values

\frac{9}{9 + DC} = \frac{12}{12 + 4}

\frac{9}{9 + DC} = \frac{12}{16}

\frac{9}{9 + DC} = \frac{3}{4}

Cross multiply

3(9 + DC) = 9×4

27 + 3DC = 36

Subtract 27 from each side

3DC = 36 - 27

3DC = 9

Divide both sides by 3

DC = 9/3

DC = 3

6 0
2 years ago
Find the length of the third side. If necessary, round to the nearest tenth.<br> 30<br> 18
grigory [225]

Answer:

24

Step-by-step explanation:

use Pythagoras theorem

a^2 + b^2 = c^2

18^2+b^2=30^2

b^2 = 30^2 - 18^2

b = √576 =24

8 0
2 years ago
Solve 5x^2-2x-8=0 using the quadratic formula
mixas84 [53]
Not sure if this is what you are looking for but welp

4 0
3 years ago
How do you simplify a square root expression?
Vinil7 [7]
"Roots" (or "radicals") are the "opposite" operation of applying exponents<span>; you can "undo" a power with a radical, and a radical can "undo" a power.</span>
6 0
3 years ago
Read 2 more answers
The Powerball lottery is decided every Wednesday and Saturday night by drawing five white balls out of a drum with 69 balls and
Nadusha1986 [10]

Answer:

The question continues ; I take it is defined as a set of five white and one red number how many possible different Powerball tickets can be purchased how many possible different winning Powerball tickets are there

Step-by-step explanation:

he concept of combinatorics ( combination and permutation) is applied her

nPr = n!/(n-r)!

nCr = n!/(n-r)!r!

Hence number of possible different powerball tickets = number of ways of selection

= selecting 5 white ball from a total of 69 and selecting a red ball from a total of 26

= 69C5 x 26C1

using the formula above for combination

= 69!/(69-5)!5! x 26!/(26-1)!1!

= 292, 201, 338 ways

7 0
3 years ago
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