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3 years ago

Choose the correct conic section to fit the equation.

Mathematics

2 answers:

Ksivusya [100]3 years ago

5 0

Answer:

Hyperbola

Step-by-step explanation:

Given is an equation in x and y as

$xy = -16$

We know that for ellipse both x and y will have degree 2.

For parabola one variable would be of degree 2 and other degree 1.

Circle both will have degree 2 and equal coefficients.

So this equation is not a circle, a parabola or an ellipse.

We know that rectangular hyperbola will have equation as

$xy=c^2 \\xy =-c^2$

Hyperbola is the right answer.

Evgen [1.6K]3 years ago

4 0

The answer is a Hyperbola

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Bookshelf has 84books on it there are two times as many non-fiction books as fiction books how many fiction books are there on t

Rainbow [258]

Answer:

Step-by-step explanation:

3 Units = 84 books

1 Unit = 84/3

= 28 books

Since Fiction books is only represented by 1 unit,

there are 28 Fiction books

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3 years ago

The set of numbers 1, 7, 11, and 36 contains values of m. What value of m makes the equation below true? 4m + 8 = 36

german

Answer:

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Step-by-step explanation:

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3 years ago

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What is the scientific notation of 0.00165?

Ierofanga [76]

Answer:

The answer is $1.65*10^{-3}$

Step-by-step explanation:

when writing scientific notation, there must be one number to the left of the decimal point.

To achieve this in this problem, you need to move the decimal point 3 times to the right.

because you are moving the point to the right, the exponent will be negative.

*rule of thumb: moving the decimal to the left will give you a positive exponent, moving to the right will give you a negative exponent*

therefore you answer should be written as:

$1.65*10^{-3}$

hope this helps :)

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3 years ago

O win a contest, the number of beans in a jar has to be guessed within 20 of the actual number. If the number of beans in the ja

Katena32 [7]

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3 years ago

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Hiiiiii peoples Solve the inequality 6x^2-x<2 please show all steps

Orlov [11]

Answer:(3x−2)⋅(2x+1)

Step-by-step explanation:

Reformatting the input :

Changes made to your input should not affect the solution:

(1): "x2" was replaced by "x^2".

STEP

Equation at the end of step 1

((2•3x2) - x) - 2

STEP

Trying to factor by splitting the middle term

2.1 Factoring 6x2-x-2

The first term is, 6x2 its coefficient is 6 .

The middle term is, -x its coefficient is -1 .

The last term, "the constant", is -2

Step-1 : Multiply the coefficient of the first term by the constant 6 • -2 = -12

Step-2 : Find two factors of -12 whose sum equals the coefficient of the middle term, which is -1 .

-12 + 1 = -11

-6 + 2 = -4

-4 + 3 = -1 That's it

Step-3 : Rewrite the polynomial splitting the middle term using the two factors found in step 2 above, -4 and 3

6x2 - 4x + 3x - 2

Step-4 : Add up the first 2 terms, pulling out like factors :

2x • (3x-2)

Add up the last 2 terms, pulling out common factors :

1 • (3x-2)

Step-5 : Add up the four terms of step 4 :

(2x+1) • (3x-2)

Which is the desired factorization

Final result :

(3x - 2) • (2x + 1)

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4 years ago