The value of x in the equation 
is x=(7+3
)/2,
(7-3)/2.
Given equation .
We have to find the solution of the equation.
Equation is solved to find the value of variables. The number of values of the variable depends on the highest power of variables.
let (x-5)=u-------------------1
equation becomes 
solution of a quadratic formula
x=-b±
/2a
on comparing with general form a=1,b=3, c=9
u=-3±
=-3±
=-3±
=-3±
+3
, 
=-3-3
put the values of 
in equation 1
x-5=
x-5=-3+
x=-3+3
x=7+3
put the values of in equation2
x-5=
x-5=-3-3
x=7-3
Hence the values of x are 7+3
, 7-3.
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Answer:
area of arrow=610cm²
Step-by-step
First find the area of the square then the are of the triangle then add together to get the area of the arrow.
1.
Area=length x width
=20cm x 15cm
=300cm²
2.
Area= 1/2 base x height
=1/2 x 20 x 31
=1 x 10 x 31
=310cm²
(NOTE: TO FIND THE BASE YOU ADD THE 15CM FROM THE SQUARE AND THE 2 EIGHT'S FROM THE BOTTOM OF THE TRIANGLE)
3.
Total area or area of arrow
=300cm²+310cm²
=610cm²
4 miles in 1 hour.
1 mile will be covered in (1/4) hour.
22 miles will then be covered in: 22 * 1/4 = 11/2 = 5.5
22 miles will be covered in 5.5 hours.
Answer: graph d for apex
Step-by-step explanation:
