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Oduvanchick [21]
2 years ago
11

HELP ASAP PLEASE

Mathematics
2 answers:
Maurinko [17]2 years ago
5 0

Answer:

It is b

Step-by-step explanation:

I did the assignment

DerKrebs [107]2 years ago
5 0

Answer:

B

Step-by-step explanation:

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at a conference of 250 people, 30% of the participants are french, 35% are americans, 20% are germans, and the rest are of the o
Lady bird [3.3K]
Ok...we got 250 people
30% are French, 35% are Americans, 20% are Germans....thats 85%.
This means 15% are from other countries

3 not from other countries...
0.85 * 0.85 * 0.85 = 0.6

0.6(250) = 150 students <===
5 0
3 years ago
Is y = -0.375x + 16.625 a linear equation?​
Ulleksa [173]

Answer:

Step-by-step explanation:

Yes as the x term is to the first power and is not raised to a larger exponent.

7 0
2 years ago
The probability that a student uses Smarthinking Online Tutoring on a regular basis is 0.31 . In a group of 21 students, what is
Ivenika [448]

Answer: 0.0241

Step-by-step explanation:

This is solved using the probability distribution formula for random variables where the combination formula for selection is used to determine the probability of these random variables occurring. This formula is denoted by:

P(X=r) = nCr × p^r × q^n-r

Where:

n = number of sampled variable which in this case = 21

r = variable outcome being determined which in this case = 5

p = probability of success of the variable which in this case = 0.31

q= 1- p = 1 - 0.31 = 0.69

P(X=5) = 21C5 × 0.31^5 × 0.69^16

P(X=5) = 0.0241

4 0
3 years ago
What is the length of r?
muminat
I don't understand your question. can you make it clear
5 0
3 years ago
20 PTS!!!! HELP!!!!! Look at picture​
Sav [38]

Answer:

b only

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
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