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2 years ago

What's the property of x ( x - 5y ) + 2y ( X - 5y)

Mathematics

1 answer:

Rasek [7]2 years ago

8 0

Associative property

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Alexander purchased a computer on sale. The original price was $1,200. The sale price was 5/6 of the original price. How much di

gtnhenbr [62]

1160 dollars if you take 5/6 away from 1200 you get 40 subtract 40 from 1200 and you get your answer

6 0

2 years ago

Trina buys a pizza in the shape of a circle with a diameter of 14 in what is the area of the pizza

ioda

Answer:

153.94

Step-by-step explanation:

A = pi * r^2

A = pi * 7^2 (radius is half of the diameter)

A = 49 * pi

A = 153.94

i hope this helps !!

3 0

2 years ago

Write a quadratic equation with the given roots. Write the equation in the form of ax^2+bx+c=0 where a b and c are integers

Bas_tet [7]

You haven't provided the required roots, but I can tell you how to do this kind of exercises in general.

If the $x^2$ coefficient is 1, i.e. the equation is written like $x^2+bx+c=0$ , then you can say the following about the coefficients b and c:

$b$ is the opposite of the sum of the roots
$c$ is the multiplication of the roots.

So, for example, if we want an equation whose roots are 4 and -2, we have:

$4+(-2) = 4-2 = 2 \implies b = -2$
$4 \cdot (-2) = -8 \implies c = -8$

So, the equation is $x^2-2x-8=0$

If your roots are rational, you can work like this: suppose you want an equation with roots 3/4 and 1/2. You have:

$\dfrac{3}{4}+\dfrac{1}{2} = \dfrac{3}{4}+\dfrac{2}{4} = \dfrac{5}{4} \implies b = -\dfrac{5}{4}$
$\dfrac{3}{4} \cdot \dfrac{1}{2} = \dfrac{3}{8} \implies c = \dfrac{3}{8}$

And so the equation is

$x^2 - \dfrac{5}{4} + \dfrac{3}{8} = 0$

In order to have integer coefficients, you can multiply both sides of the equation by 8:

$8x^2 - 10 + 3 = 0$

5 0

3 years ago

1. The graph of quadratic function h is shown below. What are the zero(s) of h?

aksik [14]

Answer:

I dont see where you said its shown below..repost please =)

6 0

1 year ago

Which expression is equivalent to 5(9 + 7)? 14 + 12 14 + 7 45 + 7 45 + 35

nika2105 [10]

5(9 + 7) = 5 x 9 + 5 x 7 = 45 + 35

3 0

3 years ago