How many seconds are in 10 hours
2 answers:
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Answer:
the diameter will be D=26 in.
Step-by-step explanation:
The area of a circle is given by:
(1)
Where:
- A is the area
- R is the radius of the circle
Now, we know that A = 169 π in²
So, we just need to use equation 1 to find R.
Therefore, the diameter will be D=2*R=26 in.
I hope it helps you!
Explanation:
The solution set for a system of equation is the set of points where the graphs of the equations intersect.
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<h3>general case</h3>A system will have <em>one solution</em> if there is a <em>single point of intersection</em> of the graphs of the equations.
A system will have <em>no solutions</em> if the graphs have <em>no points of intersection</em>.
A system will have an <em>infinite</em> number of <em>solutions</em> if the graphs <em>intersect at an infinite number of points</em>.
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<h3>linear equations</h3>When the equations are linear equations, their graphs are straight lines. If the lines have different slopes, they must intersect at exactly one point: there will be one solution.
If the lines have the same slope, there are two possibilities:
- the lines are parallel -- no solutions
- the lines are coincident -- infinite solutions
The attached graph illustrates these cases.
- the red and blue lines are the graphs of a system of equations with one solution. Those lines have different slopes
- the blue and green lines are the graphs of a system of equations with no solution. Those lines are parallel.
- The red and (dotted) purple lines are the graphs of a system of equations with infinite solutions. Those lines are coincident.
Answer:
$3,000
Step-by-step explanation:
30 children each earned $100
so
so the school collected $3,000