Answer:
no
Step-by-step explanation:
P(30/100)=39 multiply both sides by 100
30p=3900 divide both sides by 30
p=130
So she has faced 130 pitches.
Do you have any answer choices?
Answer:
Three planes.
Step-by-step explanation:
In 2 dimensional system we have only 2 unknowns and these 2 unknown can be solve by the intersection of two lines.
Ex:In 2-D ,equation of lines
x + 2y = 4
y-x= 8
These two lines will give point.
Similarly in 3 dimensional we have 3 unknowns and these 3 unknown can be solve by the intersection of three lines.
Ex:In 3-D,equation of planes
x+2y+Z=8
x + y+6z=12
2x+ y+z = 20
{y = x - 4
=> 2x+x-4=5 => 3x=9......<em>x=3</em>
{2x + y = 5 <em>y=3-4=-1</em>
<em>________________________________________________</em>
{<em>x+4y=6</em>
<em>{y=-x+3</em>
<em>=> x+4(-x+3)=6</em>
<em> x-4x+12=6</em>
<em>-3x=-6</em>
<em>x=2</em>
y=-2+3=1
y=1
___________________________________________________-
{x+2y=9
{x-y=3 .......x=3+y
3+y+2y=9
3y=6
y=2
<em>x=3+2=5</em>
<em>x=5</em>
<em>_________________________________</em>
<em />{3x-2y=9
{y=2x-7
3x-2(2x-7)=9
3x-4x+14=9
-x=-5
x=5
<em>y=2*5-7=10-7=3</em>
<em></em>y=3
<em />
<em>
</em>
