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3 years ago

Help thank u so much thanks

Mathematics

2 answers:

Pani-rosa [81]3 years ago

5 0

Answer:

1. 8.58, 8.508, 7.5, 7.058

2. 439.612, 439.261, 439.216, 439.126

Step-by-step explanation:

Prioritize the numbers that have a higher digit at a higher position. Just for fun:

In[1]:= ReverseSort[{8.508, 8.58, 7.5, 7.058}]

Out[1]= {8.58, 8.508, 7.5, 7.058}

In[2]:= ReverseSort[{439.216, 439.126, 439.612, 439.261}]

Out[2]= {439.612, 439.261, 439.216, 439.126}

Jlenok [28]3 years ago

4 0

7.5, 7.058, 8.508,

8.58

Step-by-step explanation:

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Determine algebraically the zeros of f(x)=3x^3+21x^2+36x

Mashcka [7]

Answer:

The zeros of the given polynomial function f(x) are -3,0,-4

Step-by-step explanation:

Given polynomial is $f(x)=3x^3+21x^2+36x$

To find the zeros of the given polynomial:

First equate the polynomial function f(x) to zero

That is $f(x)=3x^3+21x^2+36x=0$

By synthetic division we can solve it

-3_| 3 21 36 0

0 -9 -36 0

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3 12 0 0

Therefore x+3 is a factor

That is x=-3 is a zero

$3x^2+12x=0$

$3x(x+4)=0$

3x=0 or x+4=0

Therefore x=0 or x=-4

Therefore the zeros are -3,0,-4

6 0

4 years ago

Identify the type of sampling method used.A trucking company places their office phone number on the back of all of their vehicl

ziro4ka [17]

Explanation

In this sample, people elect to participate or self-select to do the survey. Often, these folks have a strong interest in the main topic of the survey.

In essence, they volunteer to inform the trucking company about the activities of their drivers. That makes this a voluntary sample.

Answer: Voluntary Sampling Method

7 0

2 years ago

What does this equal

Inessa [10]

Answer:

Step-by-step explanation:

You must divide the diameter of Mars by the diameter of softball.

$(7\times10^7):(0.098)=\dfrac{7\times10^7}{0.098}=\dfrac{7\times10^7:7}{0.098:7}=\dfrac{10^7}{0.014}\\\\=\dfrac{10^7}{\frac{14}{1000}}=10^7\times\dfrac{1000}{14}=\dfrac{10^7\times10^3}{14}=\dfrac{10^{7+3}}{14}=\dfrac{1}{14}\times10^{10}\\\\\dfrac{1}{14}\approx0.071\to\dfrac{1}{14}\times10^{10}\approx0.071\times10^{10}=0.071\times10^2\times10^8\\\\=7.1\times10^8\\\\\text{Used}\ a^n\times a^m=a^{n+m}$