3 years ago

How to write 43.78 in word form

Mathematics

1 answer:

tiny-mole [99]3 years ago

3 0

Fourty-three point seventy-eight thousandths

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Solve for x: 12-2x=-2(y-x)

a_sh-v [17]

12 - 2x = -2(y - x)

12 - 2x = -2y - (-2x)

12 - 2x = -2y + 2x

12 - 2x - 2x = -2y + 2x - 2x

12 - 4x = -2y

12 - 12 - 4x = -2y - 12

-4x = -2y - 12

-4x/4 = -2y/4 - 12/4

-x = -0.5y - 3

-x/-1 = -0.5y/-1 - 3/-1

x = 0.5y + 3

or

x = 3 + 0.5y

3 0

2 years ago

Create at least three equations where the quadratic has a vertex of (-3,-4). Explain how you would do that, please.

Helen [10]

$vertex = \binom{ - \frac{b}{2a} }{ \frac{4ac - {b}^{2} }{4a} }$

5 0

2 years ago

What multiplies to -4 and adds up to 7?

devlian [24]

The two numbers are (7+ sqrt(65))/2 and (7- sqrt(65))/2

(7+ sqrt(65))/2+ (7- sqrt(65))/2= 7
(7+ sqrt(65))/2* (7- sqrt(65))/2)= -4.

Hope this helps~

6 0

2 years ago

(8x-17)(5x+19)<br> Find the converse and x

pychu [463]

$(8x-17)(5x+19)\\40x^{2}+152x-85x-323\\ 40x^{2}+67x-323$