For a solution to exist the x and y values must be equal at that point.
I'll solve both for y first (and there are other ways to do this of course)
2x+4y=1, 4y=1-2x, y=(1-2x)/4
3x-5y=7, -5y=7-3x, y=(3x-7)/5
Since y=y at the solution point we can say:
(1-2x)/4=(3x-7)/5 cross multiplying...
5-10x=12x-28
-22x=-33
x=3/2 or if you prefer 1.5, now we can solve for y using either origianl equation...
2(1.5)+4y=1
3+4y=1
4y=-2
y=-0.5
So the solution is the point (1.5, -0.5)
Answer:
The angle of rotation is 214°.
Step-by-step explanation:
Formula for arc length:
The length of arc is the product of radius and the central angle ( in radian).
L= rθ
L= Length of arc
r= Radius
θ= Central angle (in radian).
Here L= 280 feet and diameter =150 feet.
Radius 
feet =75 feet
L= rθ
radian.
We know that,
π radian= 180°
= 214°
The angle of rotation is 214°.
Answer:Group of answer choices 2/5 x ? = 4/3 ? X 2/5 = 4/3 4/3 x ? = 2/5 ? ÷ 5/2 = 3/4 4/3 ÷ 2/3 = ?
Step-by-step explanation:If 4/3 liters of water is enough to water 2/5 of the plants in the house, how much water is necessary to water all the plants in the house? Select all of the multiplication and division equations that represent this situation.
Answer:
It would cost <em>n</em> people $<em>nd</em> to play Decimal Decisions and $<em>nr</em> to play Ratio Rage. So, it would cost <em>n</em> people $<em>nd</em> + $<em>nr</em>= $2<em>n</em>(<em>d</em> + <em>r</em>).
<em>d</em>= Decimal Decisions and <em>r</em>= Ratio Rage
You didn't give a price for either game, so I just did variables in place of actual cost. Hope this helps!
Photomath is a good one. So is KhanAcademy, but I don't know if they have an app version of the website.
