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aleksklad [387]
3 years ago
15

44 points, please answer this question ASAP!

Mathematics
2 answers:
Arisa [49]3 years ago
5 0

Answer:

-3

Step-by-step explanation:

mean = sum of terms/number of terms

mean = (-10-23+8+7+3)/5

mean = -15/5

mean = -3

Zigmanuir [339]3 years ago
3 0
Add the 5 amounts:

-10 + -23 = -33

-33 + 8 + 7 + 3 = -15 cents
 now divide by the number of changes (5)


-15 / 5 = -3 cents
 the mean change is -3 cents

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Moises ate 10% of the candies in the bag. If Moises ate 16 candies, how many candies were there total in the bag?
Viktor [21]

Answer:

160

Step-by-step explanation:

10% of the candies is 16, and to get 100% from 10% is to multiply by 10.

So 10% *10 = 100%, then by association if 16 = 10%, then 16*10 will be the total 100%.

7 0
3 years ago
What is 4,015 rounded to the nearest ten?
umka21 [38]

Answer:

The answer is 4006

Step-by-step explanation:

You get this answer by looking at the ones and it is greater than 5

6 0
3 years ago
This is due today, and I have no idea what I'm doing, please help if you know anything.
defon

Binomial distribution formula: P(x) = (n  k) p^k * (1 - p)^n - k

a) Probability that four parts are defective = 0.01374

P(4 defective) = (25 4) (0.04)^4 * (0.96)^21

P(4 defective) = 0.01374

b) Probability that at least one part is defective = 0.6396

Find the probability that 0 parts are defective and subtract that probability from 1.

P(0 defective) = (25 0) (0.04)^0 * (0.96)^25

P(0 defective) = 0.3604

1 - 0.3604 = 0.6396

c) Probability that 25 parts are defective = approximately 0

P(25 defective) = (25 25) (0.04)^25 * (0.96)^0

P(25 defective) = approximately 0

d) Probability that at most 1 part is defective = 0.7358

Find the probability that 0 and 1 parts are defective and add them together.

P(0 defective) = 0.3604 (from above)

P(1 defective) = (25 1) (0.04)^1 * (0.96)^24

P(1 defective) = 0.3754

P(at most 1 defective) = 0.3604 + 0.3754 = 0.7358

e) Mean = 1 | Standard Deviation = 0.9798

mean = n * p

mean = 25 * 0.04 = 1

stdev = \sqrt{np(1-p)}

stdev = \sqrt{(25)(0.04)(1-0.04)} = 0.9798

Hope this helps!! :)

7 0
3 years ago
5. Solve the system:<br> x + 3y = -5<br> 5x - 2y = 9
goldenfox [79]

Answer:

Step-by-step explanation:

x=1

y= -2

See step by step explanation below:

5 0
2 years ago
Read 2 more answers
Question is in picture below ​
klasskru [66]

Answer:

\frac{y - 18}{x - 1}  =  \frac{23 - 18}{1.5 - 1}  =  \frac{5}{0.5}  = 10 \\ y - 18 = 10(x - 1)  = 10x - 10 \\ y = 10x  + 18 - 10 = 10x + 8 \\  \boxed{f(x) = 10x + 8}

<h2>A. is the right answer.</h2>

hope this helps.

5 0
2 years ago
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