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3 years ago

Which equation describes the proportion: The number of chickens (c) is four times as many the number of horses (h) on the farm.?

Mathematics

2 answers:

babunello [35]3 years ago

7 0

The awnser is C hope it helps

Georgia [21]3 years ago

4 0

The answer is C because c=4h. Think of it like this, Chickens equal the number of horses times 4.

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Problem Page An item is regularly priced at $60. Maria bought it at a discount of 45% off the regular price. How much did Maria

Ulleksa [173]

Answer:

$33

Step-by-step explanation:

.45 x 60 = 27. 60-27 = 33

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3 years ago

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AlekseyPX

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3 years ago

What is the quadratic equation if the solutions are -9+ √65 /2, -9- √65 /2

liberstina [14]

Answer:

$4x^2+72x+259=0$

Step-by-step explanation:

If $x_1$ and $x_2$ are the solutions to the quadratic equation, then this equation can be written as

$(x-x_1)(x-x_2)=0$

In your case,

$x_1=-9+\dfrac{\sqrt{65}}{2}\\ \\x_1=-9-\dfrac{\sqrt{65}}{2}$

Then the equation is

$\left(x-\left(-9+\dfrac{\sqrt{65}}{2}\right)\right) \left(x-\left(-9-\dfrac{\sqrt{65}}{2}\right)\right)=0\\ \\\left(x+9-\dfrac{\sqrt{65}}{2}\right)\left(x+9+\dfrac{\sqrt{65}}{2}\right)=0\\ \\x^2+9x+\dfrac{\sqrt{65}}{2}x+9x+81+\dfrac{9\sqrt{65}}{2}-\dfrac{\sqrt{65}}{2}x-\dfrac{9\sqrt{65}}{2}-\dfrac{65}{4}=0\\ \\x^2+18x+\dfrac{259}{4}=0\\ \\4x^2+72x+259=0$

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3 years ago

Do lines that intersect have a solution ? & how many

Marina CMI [18]

Answer:

Step-by-step explanation:

yes the value of x and y of the intersection point is the solution.

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4 years ago

Write the equation of the line with slope -4/3 and y-intercept 2 in slope intercept form.

SpyIntel [72]

Answer:

y = -4/3x +2

Step-by-step explanation:

The slope-intercept form of the equation of a line with slope m and y-intercept b is ...

y = mx + b

To get your equation with slope -4/3 and y-intercept 2, you put -4/3 where m is, and 2 where b is.

y = -4/3x + 2

6 0

3 years ago