Let's simplify step-by-step.
3t−3+6t2+4t+13−8t2+11t−1
=3t+−3+6t2+4t+13+−8t2+11t+−1
Combine Like Terms:
=3t+−3+6t2+4t+13+−8t2+11t+−1
=(6t2+−8t2)+(3t+4t+11t)+(−3+13+−1)
=−2t2+18t+9
Known facts:
- total number of students on the council: 35
- 60% of the council students are boys
Results:
- therefore 40% of the total number of council students are girls.
Calculation:
Therefore there are 14 girls.
Hope that helps!
We know that
<span>foci on x-axis-------> is a ellipse with horizontal major axis
the equation is
(x</span>²/a²)+(y²/b²)=1
major axis is th<span>e </span>x<span>-axis with length </span><span>2<span>a
2a=14--------> a=7
</span></span>minor axis is the y<span>-axis with length </span><span>2<span>b
2b=4-----> b=2
the equation is
</span></span>(x²/a²)+(y²/b²)=1------> (x²/7²)+(y²/2²)=1-----> (x²/49)+(y²/4)=1
the answer is(x²/49)+(y²/4)=1
see the attached figure
Find the common denominator of 3 and 6. which is 6. now just subtact 2 and 1 which is 1. ur answer is 1/6