3 years ago

The ordered pair rule (x, y) = (-x, y) is graphing

Mathematics

1 answer:

sammy [17]3 years ago

5 0

Answer:

Step-by-step explanation:

is reflecting a point (x, y) over the y-axis

and becomes (-x, y)

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What are two numbers multiplied together to get 15 but add to be 12?

KiRa [710]

So x times y=15
x+y=12
solve
x+y=12
subtract x from both sides
y=12-x
subsitute
xy=15
x(12-x)=15
distribute
12x-x^2=15
subtract (12x-x^2) from both sides
0=x^2-12x+15
use quadratic formula which is
x= $\frac{ -b+/- \sqrt{b^{2}-4ac} }{2a}$
where you have
0=ax^2+bx+c
so
a=1
b=-12
c=15
subsitute
x= $\frac{ -(-12)+/- \sqrt{-12^{2}-4(1)(15)} }{2(1)}$
x= $\frac{ 12+/- \sqrt{144-60} }{2}$
x= $\frac{ 12+/- \sqrt{84} }{2}$
x= $\frac{ 12+/- 2\sqrt{21} }{2}$
x=6+/- $\sqrt{21}$
x=6+ $\sqrt{21}$ or 6- $\sqrt{21}$ or aprox
x=10.5826 or 1.41742
the numbers are 10.5826 and 1.41742

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4 years ago

The monthly profit for a company that makes decorative picture frames depends on the price per frame. The company determines

Anvisha [2.4K]

the price is= £21.50

hope it helps

4 0

3 years ago

I would like help thanks!

Effectus [21]

Answer:

Step-by-step explanation:

if you connect and extend to points it forms a line with a y-intercept of 2 when x is zero

y = mx + b m the slope equals 1

y = x +2

3 0

3 years ago

Read 2 more answers

There are two buildings bisede each ather that are 47feet and 31 feet high. The buildings are 12 feet apart. What is the distanc

Vsevolod [243]

You use Pythagorean theorem...a^2+b^2=c^2
a=12ft
b=47-31.. height of the triangle
c=distance between two roof tops

(12)^2+(16)^2=c^2
144+256=c^2
400=c^2, take square root of both sides
c=20ft

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4 years ago

A 6-foot roll of butcher paper costs $1.44. What is the price per inch?

iren [92.7K]

I honestly have no idea, I’m so sorry, perhaps divide the 6 foot

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3 years ago