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lilavasa [31]
3 years ago
9

PLS HELP!!!!!! WILL GIVE BRAINY

Mathematics
2 answers:
Phoenix [80]3 years ago
8 0

Answer:

#14) B) 7 cars

#15) C) 37

Step-by-step explanation:

Hope this helps

zhenek [66]3 years ago
4 0
This should help with your solution
14: b
15: c
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How do you know whether two quantities x and y are proportional?
ANEK [815]

Answer:

I'm pretty sure it is (a)

8 0
3 years ago
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In a Las Vegas casino, gamblers lose a mean of on each roulette game, with a standard deviation of . (Since the standard deviati
aivan3 [116]

Answer: Hello your question is poorly written attached below is the complete question

answer:

0.1515

Step-by-step explanation:

Number of bets = 200

mean number of losses  = $0.2

Standard deviation = $2.74

<u>Determine P ( winning after 200 bets ) </u>

Average of 200 bets > 0.  i.e. P( X > 0 )

considering normal distribution : μ = -0.2 , б = 2.74 , n = 200

applying Z - distribution

z = 0 - ( - 0.2 ) / ( 2.74 / √200 ) ≈ 1.03

∴ P ( z > 1.03 ) = 1 - P ( z < 1.03 )

                       = 1 - 0.8485  ( value gotten from z-table )

                       = 0.1515

8 0
3 years ago
The ratio of children to adults at a play is 2:3. The ratio of children under 10 to those over 10 is 7: 3. What % are younger ch
fenix001 [56]

Answer:

28%

Step-by-step explanation:

Let number of children be 2x, then number of adults be 3x

Total number is 5x

Let number of children under 10 be 7y, number of children be 3y,

then total number of children is 10y

so 2x = 10y, x = 5y, y/x = 1/5

younger children = children under 10, number is 7y

so the % is 7y/5x = 7/5 * y/x = 7/5 * 1/5 = 7/25 = 28/100 = 28%

7 0
2 years ago
Please help will mark brainliest!!
Ghella [55]

Answer:

29

Step-by-step explanation:

180-151=29

5 0
3 years ago
Please help!!!!!! + lots of points
Ilya [14]

Hey!

Hope this helps...

~~~~~~~~~~~~~~~~~~~~~~~~~~~

The correct answers are A, B, D, and E

4 0
3 years ago
Read 2 more answers
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