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Leokris [45]
3 years ago
7

My common core lesson 7 3.1

Mathematics
1 answer:
Verizon [17]3 years ago
5 0
What is the question?
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HOW DO YOU DO THIS????????
Nostrana [21]
The rational root theorem tells you all roots are of the form
  ±(factor of 2)/(factor of 3)
We know one of the roots is -1 and all roots are negative, so the remaining roots must be of the form
  -(factor of 2)/(factor of 3)
which is to say, two of
  -1/3, -2/3, -1, -2
Since the roots are distinct, they must be -2 and -1/3. Then the factorization of the given polynomial is
  (x +1)(x +2)(3x +1)
which multiplies out to be
  3x³ +10x² +9x +2

a = 10
b = 9
3 0
3 years ago
Linda Barnes has learned from prior studies that one out of five applicants gets admitted to top MBA programs in the country. Sh
LenKa [72]

Answer: 126

Step-by-step explanation:

As per given , we have

Prior Population proportion : p=\dfrac{1}{5}=0.2

Significance level : \alpha=1-0.95=0.05

Critical value for 95% confidence interval (using the z-value table) = z_{\alpha/2}=1.96

Margin of error (maximum error): E=7\%=0.07

Formula to find the sample size :

n=p(1-p)(\dfrac{z_{\alpha/2}}{E})^2\\\\ n=0.20(1-0.20)(\dfrac{1.96}{0.07})^2\\\\ n=125.44\approx126

Therefore , the required minimum sample size = 126

5 0
3 years ago
Alice says all the factors of 8 are even, write down an example Alice is wrong
Drupady [299]

Answer:

,1,2,4,6,5,7,9,3,

Step-by-step explanation:

1,

2,4,6

7 0
3 years ago
Read 2 more answers
Lesson 18: Exponentials Unit Test Algebra 1 B Unit 5: Exponentials
Alika [10]

Answer:

search mo po sa goggle

5 0
3 years ago
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Multiply.0.64x 12.55​
lana66690 [7]

Answer:

8.032

Step-by-step explanation:

3 0
4 years ago
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