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kolbaska11 [484]
2 years ago
10

A small bag has 8 black beans, 5 white beans, and 12 red beans. Find the probability of picking a red then a black bean if you d

o not replace the first bean.
A. 0.16

B. 0.32

C. 0.3

D. 0.5
Mathematics
2 answers:
tester [92]2 years ago
8 0
The answer is A. 0.16
Ede4ka [16]2 years ago
5 0

Answer:

the answer is A

Step-by-step explanation:

because 8 divided by 25 (all the beans) is .32

And  12 divided by  25 is .48

So if you subtract .48 by .32 then you get .16

let me know if its right

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Find two consecutive even integers such that the lesser added to three times the greater gives a sum of 46.
kvv77 [185]
N; n + 2 - the two consecutive even integers

n + 3(n + 2) = 46
n + 3n + 6 = 46   <em> |subtract 6 from both sides</em>
4n = 40      <em>  |divide both sides by 4</em>
n = 10

n + 2 = 10 + 2 = 12

<u>Answer: 10 and 12.</u>
5 0
3 years ago
Sonji bought a combination lock that opens with a four-digit number created using the digits 0 through 9. The same digit cannot
Alex777 [14]

Answer:

504 combos

Step-by-step explanation:

Cannot use digits twice and last is '7'

 9 digits for first place choice  

     8 digits for second place

         7 digits for third place

               only  '7' for fourth place       9 x 8 x7 = 504 combos

8 0
2 years ago
4x^2-21x-18=0<br> Find the discriminate
SpyIntel [72]

a = 4, b = -21, c = -18

to keep from getting "mixed up", evaluate the discriminant first ...

b<sup>2</sup> - 4ac = (-21)<sup>2</sup> - 4(4)(-18) = 729

sqrt(729) = 27

x = (21 +/- 27)/8

x = -3/4, x = 6

since the discriminant is a perfect square, the original quadratic will factor ...

4x<sup>2</sup> - 21x - 18 = 0

(4x + 3)(x - 6) = 0

x = -3/4, x = 6

6 0
2 years ago
Read 2 more answers
Question 8
Lelechka [254]

Answer:

$695.88

Step-by-step explanation:

579 + 32 = 611

8% of 611 = 48.88

611 + 48.88 = 659.88

Stay safe! <3

6 0
3 years ago
Please help explanation need it
Zepler [3.9K]

Step-by-step explanation:

jejejebe. s shs sjs sibskkw

4 0
3 years ago
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