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Marina86 [1]
3 years ago
8

Help, we didn't learn this, will give brainiest and 5 stars, Thanks❤️

Mathematics
1 answer:
DENIUS [597]3 years ago
6 0

Answer:

1. 6.2831   2. 7  3.  4.7   4. irrational 5. rational

Step-by-step explanation:

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(−x^3 + 26x^2 -7x−13) + (6x^4−x^3+8x+27)
blondinia [14]
<span>(−x^3 + 26x^2 -7x−13) + (6x^4−x^3+8x+27)
=</span><span>−x^3 + 26x^2 -7x−13 + 6x^4−x^3+8x+27
= </span>6x^4 − 2x^3 + 26x^2  + x +14
8 0
3 years ago
3. How many silver cars is the dealer expected to sell, on average, out of five cars? Interpret this expected value in context.
ivann1987 [24]

Answer:

E(X)= 0*0.27068 +1*0.40426+ 2*0.24151+3*0.07214+4*0.01077+5*0.00064=1.14998

So then the expected number of silver cars to sell for this case in the next five car sales is approximately 1.15 for the 23% of the total manufacturing cars produced.

Step-by-step explanation:

Assuming this problem :"23% of the cars a certain automaker manufactures are silver. Below is the probability distribution for the number of  silver cars sold by a car dealer in the next five car sales."

The distirbution is given by:

Num. Silver cars     0      |          1   |     2     |       3    |       4     |       5     |

Probability        0.27068|0.40426|0.24151|0.07214|0.01077|0.00064|

And assuming the following questions

What is the probability of selling at most three silver cars? Interpret this probability in context

For this case we just need to find this:

P(X\leq 3) = P(X=0) +P(X=1) +P(X=2)+P(X=3) = 0.27068+0.40426+0.24151+0.07214=0.98859

So then the probability of selling at most 3 silver cars in the next five car salesfrom the 23% of the total manufactured cars is 0.98859.

What is the probability of selling between and including one and four silver cars? Interpret this probability in  context.

For this case we just need to find this:

P(1 \leq X\leq 4) = P(X=1) +P(X=2) +P(X=3)+P(X=4) = 0.40426+0.24151+0.07214+0.01077=0.72868

So then the probability of selling between 1 and 4 silver cars in the next five car sales from the 23% of the total manufactured cars is 0.72868  in the next five car sales.

How many silver cars is the dealer expected to sell, on average, out of five cars? Interpret this expected value in context

For this case we can find the expected value on this way:

E(X)= 0*0.27068 +1*0.40426+ 2*0.24151+3*0.07214+4*0.01077+5*0.00064=1.14998

So then the expected number of silver cars to sell for this case in the next five car sales is approximately 1.15 for the 23% of the total manufacturing cars produced.

3 0
3 years ago
Give the decimal of 15/10​
Sergeu [11.5K]

Answer:

1.5

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Consider the overall effects on Floral Scent Cleaning Service from selling and performing services on account for $ 8 comma 780
Ne4ueva [31]

Answer:

Net income: $4,260.

Step-by-step explanation:

We have been given that consider the overall effects on Floral Scent Cleaning Service from selling and performing services on account for $ 8,780 and paying expenses totaling $ 4,520.

\text{Net income}=\text{Total revenues}-\text{Total expenses}

\text{Net income}=\$8,780-\$4,520

\text{Net income}=\$4,260

Since the selling and performing services on account are greater than total expenses, therefore, Floral Scent Cleaning​ Service's net income is $4,260.

7 0
4 years ago
A baby bottle holds 8 fluid Ounces of milk. How many baby bottles could you fill with 1
Goshia [24]

Answer:

4

Step-by-step explanation:

there is 32 ounces in a quart divide that by 8 and it will get you 4

5 0
4 years ago
Read 2 more answers
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