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inysia [295]
3 years ago
8

-15 +n=-9 Help!!!!!!!!!

Mathematics
2 answers:
just olya [345]3 years ago
8 0

Answer:

n=6

Step-by-step explanation:

First you add 15 to both sides, -15 + 15 = 0, then you add 15 to -9 which equals 6. :)

s344n2d4d5 [400]3 years ago
5 0
N would be 6 for this one
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One bag of marbles contains 2 black , 3 red , and 5 white marbles . A second bag contains 3 white and 2 black marbles . What is
BaLLatris [955]

Answer:

<u>NOT BOTH BLACK = 1-2/25 = 23/25</u>

Step-by-step explanation:

Bag 1 : 8 non-black out of 10

P(1) = 8/10

Bag 2: 3 non-black out of 10

P(2)=3/5

Probability of both independent events happening can be calculated using the multiplication rule

P(1) and P(2) = P(1)*P(2) = 8/10 * 3/5 = 24/50 = <u>12/25 (both are not black, or none is black)</u>

Interpretating not both black meaning at most one black, then

we calculate the probability of both are black,

P(1) = 2/10

P(2) = 2/5

Probability that both balls are black can be calculated using the multiplication rule

P(1) and P(2) = 2/10 * 2/5 = 2/25

Probability that <u>NOT BOTH BLACK = 1-2/25 = 23/25, i.e. at most one black</u>

5 0
3 years ago
Grace surveys moviegoers as they exit the theater and asks them to give the movie that they just saw a “thumbs-down” rating. She
pychu [463]

Answer:

1) 25/54 = 46%

2) 10/27 = 37%

3) 17/27 = 63%

4) 20/27 = 74%

5) 17/27 = 63%

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Step-by-step explanation:

1) (50 male)/108 total) = 25/54

2) (40 thumbs down)/(108) = 10/27

3) (68 thumbs down or male) / (108) = 17/27

4) (80 thumbs down or female)/(108) = 20/27

5) (68 thumbs up)/(108) = 17/27

6) (40 thumb up female)/(68) = 10/17

7 0
3 years ago
Cloud you pls help me with these 2 questions pls I really need help
Alex73 [517]
For the first one it would be 3(9 x 20)
And for the second one it would be 8
6 0
3 years ago
Question 14 of 14
sveticcg [70]

Answer:

Part A

B. (11−4)+3×(11−4)−5

Part B

D. 23 songs

Step-by-step explanation:

(11−4)+3×(11−4)−5 = 23

Hope this help..

Sorry if that was wrong..

8 0
3 years ago
Read 2 more answers
Simplify the expression 12c-c
Klio2033 [76]

Answer:

11c

Step-by-step explanation:

Think of it like 12c-1c.

When it is c by itself, then it is just 1c.

Subtract 12-1, get 11.

5 0
3 years ago
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