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stira [4]
3 years ago
5

Describe the number and type of roots for the polynomial. (how many real and complex?)

Mathematics
1 answer:
DENIUS [597]3 years ago
7 0
This is a cubic equation  so it will have a total of three roots.
there is only one change of sign  so the equation will have one positive real  root.
The other 2 roots  will be negative  and might be real or complex
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Which fraction is between 0 and 1/2
Greeley [361]
A fraction between 0 and 1/2

What is smaller than 1/2?

Smaller than 0.5 is 0.3

0.3 = 1/3

A fraction smaller than 1/2 and bigger than 0 is 1/3

Final answer:        1/3 
5 0
3 years ago
Plzzz me and I will make you the brainiest (Promise)
Setler79 [48]

Answer:

idk but trump 2020

Step-by-step explanation:

6 0
3 years ago
A group conducted a poll of 2025 likely voters just prior to an election. The results of the survey indicated that candidate A w
FrozenT [24]

Answer:

Check Explanation

Step-by-step explanation:

Confidence Interval for the population proportion is basically an interval of range of values where the true population proportion can be found with a certain level of confidence.

Mathematically,

Confidence Interval = (Sample proportion) ± (Margin of error)

The population proportion can take on any value within the confidence interval obtained.

So, for each candidate, we can calculate the confidence interval for the population proportion of popular votes they would each receive.

For candidate A,

Sample Proportion = 47%

Margin of Error = 2%

Confidence Interval = (47%) ± (2%)

Confidence interval = (45%, 49%)

For candidate B,

Sample Proportion = 46%

Margin of Error = 2%

Confidence Interval = (46%) ± (2%)

Confidence interval = (44%, 48%)

The true proportion of popular votes for the two candidates will lie between

Confidence Interval for candidate A

(45%, 49%)

Confidence Interval for candidate B

(44%, 48%)

So, the true proportion of popular votes for candidate A can take on any value from 45% to 49%, and that for candidate B can take on values from 44% to 48%.

Because, A could have 45% and B have 48% or A could have 47% and B too have 47%.

The clear winner cannot be determined from this confidence interval obtained from the survey, it really is too close to call!

Hope this Helps!!!

5 0
3 years ago
Val rented a bicycle while she was on vacation she paid a flat rental fee of $55.00 plus $8.50 each day the total cost was $123
artcher [175]

Answer:

55+8.5x=123

Step-by-step explanation:

The 55 represents the flat fee, the 8.5 represents the daily charge, x represents the number of days she rented it for, and 123 is the total amount

3 0
3 years ago
Read 2 more answers
Three consecutive integers have a sum of 78. find the inte
VMariaS [17]
Let the 3 numbers be x,x+1,x+2
Given sum of those 3 consecutive integers are 78
X+x+1+x+2=78
3x+3=78
3(x+1)=78
X+1=26
X=26-1
X=25

Therefore the numbers are 25,26,27
5 0
3 years ago
Read 2 more answers
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