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3 years ago

3-6i hi can you guys help me solve this, i’m not understanding it. construct a polynomial?

Mathematics

1 answer:

Lemur [1.5K]3 years ago

5 0

Answer:

Step-by-step explanation:

You subtract it and add the I

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A debate team of 4 members for a high school will be chosen randomly from a potential group of 15 students. Ten of the 15 studen

iragen [17]

Answer:

A) 0.1538

Step-by-step explanation:

4 members are going to be chosen:

M1 - M2 - M3 - M4

We have to find the probability that for each member, one without experience is chosen. There is no replacents.

Initially, we have 15 students, of which 10 have none experience. So the probability that M1 is chosen as a student with no experience is $\frac{10}{15}$ .

Then, there are 14 students, of which 9 have no experience. So the probability that M2 is chosen as a student with no experience is $\frac{9}{14}$ .

For the third member, there are 13 students, of which 8 have no experience. So the probability that M3 is chosen as a student with no experience is $\frac{8}{13}$ .

For the last member, there are 12 students, of which 7 have no experience. So the probability that M4 is chosen as a student with no experience is $\frac{7}{12}$ .

What is the probability that none of the members chosen for the team have any competition experience?

This is

$P = \frac{10}{15}*\frac{9}{14}*\frac{8}{13}*\frac{7}{12} = 0.1538$

The correct answer is:

A) 0.1538

7 0

3 years ago

Michael timed a train using a clock. the train traveled a distance of half mile from t = 10 seconds to t = 55 seconds. what was

Alekssandra [29.7K]

Answer:

Step-by-step explanation:

The train traveled half a mile.

1 mile = 5280 ft

0.5 mile = 0.5 * 5280 ft = 2640 ft

A time from 10 sec to 55 sec is 55 sec - 10 sec = 45 seconds.

2640 ft in 45 seconds

speed = distance/time

speed = 2640 ft / 45 sec = 58.6666... ft/sec

Answer: speed = 58.7 ft/sec

3 0

2 years ago

in science class mrs.moore students were directed to weight a 300 gram mass on the balance scale tina weighed the object and rep

IrinaK [193]

Answer: 9 1/3%

Step-by-step explanation:

4 0

3 years ago

Connect A and D with a straightedge.

SVETLANKA909090 [29]

Answer:

you cant connect it

Step-by-step explanation:

3 0

2 years ago

Susan solved this problem. She says the answer is hours. Susan spent hours babysitting on Monday and hours babysitting on Tuesda

grandymaker [24]

Susan answer = 7 1/4

Approximate spent hours on monday = 3
Approx. spend hours on Tuesday = 4

So, In total, it is approx. 7

In short, Your Answer would be Option <span>A. Susan’s answer is reasonable. She spent almost 3 hours babysitting on Monday and a little more than 4 babysitting hours on Tuesday (3 + 4 = 7). That is a little more than 7 hours in all.

Hope this helps!</span>

6 0

3 years ago

Read 2 more answers