If she wants an average of 73 for 3 tests,
she needs a total of 73 x 3 = 219
Total of the first 2 tests = 77 + 75 = 152
Scores needed for her 3rd test = 219 - 152 = 67.
Answer: She needs a score of 67 marks.
Answer:
The y-coordinate of point A is
.
Step-by-step explanation:
The equation of the circle is represented by the following expression:
(1)
Where:
- Independent variable.
- Dependent variable.
,
- Coordinates of the center of the circle.
- Radius of the circle.
If we know that
,
and
, then the equation of the circle is:
(1b)
Then, we clear
within (1b):

(2)
If we know that
, then the y-coordinate of point A is:


The y-coordinate of point A is
.
Answer:
What to do
Tie one end of the string to a chair, door knob, or other support.
Put the other end of the string through the straw.
Pull the string tight and tie it to another support in the room.
Blow up the balloon (but don't tie it.) ...
Let go and watch the rocket fly!
<em>L</em><em>o</em><em>v</em><em>e</em><em>,</em><em> </em><em>g</em><em>o</em><em>c</em><em>r</em><em>y</em>
Answer:
y+3x+11=0
Step-by-step explanation:
m=-3, x1=-4, y1=1
from m=y-y1/x-x1
-3=y-1/x-(-4)
-3(x+4)=y-1
-3x-12+1=y
y=-3x-11
y+3x+11=0