Answer:
radius=8
Step-by-step explanation:
So beacause the VAT costsnyou need to move the variable to the left then consider and then thr rate will turn to 0%
Answer:
Step-by-step explanation:
All of these numbers can be divided by 2, 3, 5, 7, 11, 13...
There is no whole number if you want to divide each number.
121 only goes into 1, 11, and 121. No other numbers have 11
45/2 = 22.5
45/3 = 15
45/5 = 9
2470/2 = 1235
2470/3 = 823.33333...
2470/5 = 494
121/2 = 60.5
121/3 = 40.33333...
121/5 = 24.2
1) 8y=-5x+12
y=-5/8x+3/2
2)2y=3x+7
y=3/2x+7/2
3)-3y=-2x+7
y=2/3-7/3x
4)-4y=16-12x
y=3x-4
5)-2y=-x+10
y=2x-5
The expression x²-14x+31=63 is a quadratic
equation. To solve it, you must order it:
x²-14x+31-63=0
x²-14x-32=0
Then, you must apply the quadratic formula, which is shown
below:
x=(-b±√(b^2-4ac))/2a
So you have the values of a,b and c:
:
a=1
b=-14
c=-32
When you substitute those values
in the quadratic formula, you obtain:
x=(-(-14)±√((-14)^2-4(1)(-32))/2(1)
x1=-2
x2=16
So, the correct option is the third one: x=-2 or x=16