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marta [7]
3 years ago
9

A historian wonders why an ancient civilization disappeared. He suggests that a natural disaster might have destroyed it thousan

ds of years ago. What step should the historian take next?
Ask a question
Test the hypothesis
Draw a conclusion
Make an educated guess about what happened
ik its not math btw
Mathematics
2 answers:
Ray Of Light [21]3 years ago
5 0

Answer:

aaaaaaaaaaaaaaa

Step-by-step explanation:

it A

belka [17]3 years ago
3 0

Answer:

A?

Step-by-step explanation:

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Solve 2x^3+7x^2-2x-1=o​
Mashcka [7]

Answer:

x=\sqrt{3}-2\\x=-\sqrt{3}-2\\x=\frac{1}{2}

Step-by-step explanation:

This is a hard one

We have to use the rational root theorem

2x^3+7x^2-2x-1 = 0

We have to find all the factors of a and d and put them in a fraction

a=2\\d=-1\\\frac{1}{1,2}

We then plug them into the equation to see if any of them work

The equation isn't true when plugging 1, but is true when plugging in 1/2

factored form of 1/2 is (2x-1)

Then we divide the original equation by (2x-1) (you can use synthetic division or long division, it would be hard to type out the process for that) to get x^2+4x+1

So now the equation is (2x-1)(x^2+4x+1)

Solve the second half of this equation using the quadratic formula to get

\sqrt{3}-2 and -\sqrt{3}-2

We already know the solution for the first half of the equation (1/2)

So the final answers are:

x=\sqrt{3}-2, -\sqrt{3}-2, \frac{1}{2}

8 0
3 years ago
PLEASE HELP I WILL GIVE BRAINLIEST my
frozen [14]

Answer:

I think B

Step-by-step explanation:

3 0
3 years ago
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Write the slope-intercept form of the equation of the line.<br>​
Vilka [71]

Answer:

I guess its 2/2.

Step-by-step explanation:

7 0
4 years ago
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during a trip to the supermarket, Jim bought the following items bread $1.45 beans $0.88 toothpaste $2.90 milk $3.55 dog food $6
mr Goodwill [35]
15.28 I think it is the answer bc it said total so u add all the numbers. I added them and it gave me 15.28
5 0
4 years ago
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What is 9 wholes and 8:3 in simplest form
Mila [183]
It is 9 and 8:3.It is because 8 and 3 do not have any factors that are the same especially because 3 is a prime number.A prime number is a number that has only a factor of itself and 1
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