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3 years ago

Which fraction is equivalent to -3/2

Mathematics

2 answers:

Ilya [14]3 years ago

5 0

Answer:

the third answer

Step-by-step explanation:

VARVARA [1.3K]3 years ago

4 0

I think the orange one is correct.

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Reptile [31]

Answer:

The real zeros of f(x) are x = 0.3 and x = -3.3.

Step-by-step explanation:

Solving a quadratic equation:

Given a second order polynomial expressed by the following equation:

$ax^{2} + bx + c, a\neq0$ .

This polynomial has roots $x_{1}, x_{2}$ such that $ax^{2} + bx + c = a(x - x_{1})*(x - x_{2})$ , given by the following formulas:

$x_{1} = \frac{-b + \sqrt{\bigtriangleup}}{2*a}$

$x_{2} = \frac{-b - \sqrt{\bigtriangleup}}{2*a}$

$\bigtriangleup = b^{2} - 4ac$

In this problem, we have that:

$f(x) = x^{2} + 3x - 1$

$a = 1, b = 3, c = -1$

$\bigtriangleup = 3^{2} - 4*1*(-1) = 13$

$x_{1} = \frac{-3 + \sqrt{13}}{2*1} = 0.3$

$x_{2} = \frac{-3 - \sqrt{13}}{2*1} = -3.3$

The real zeros of f(x) are x = 0.3 and x = -3.3.

7 0

3 years ago

Find two numbers with a sum of 20 and a difference of 14

shepuryov [24]

2 and 7 r the answer

3 0

3 years ago

Ok this is the last one . lol

Molodets [167]

Answer:

Step-by-step explanation:

Because these two angles are supplementary, their angle measures must add up to 180 degrees. Therefore:

3x+2+2x+23=180

5x+25=180

5x=155

x=31

Hope this helps!

6 0

3 years ago

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What is the y-coordinate of the red point ? <br> A. -3<br> B. 2<br> C. -2<br> D. 3

scoundrel [369]

The correct answer is B. 2

3 0

3 years ago

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Solve this equation,40+18=12=9

Leto [7]

This equation is physically unsolvable, as 12 isn't equal to 9.

7 0

3 years ago

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