A subtraction problem can be turned in to an addition problem because of negative numbers. Take 5-2=3 for example. If you change 5-2 into an addition problem then you would but he addition sign and a negative sign on 2. This will then leave you with the problem looking like 5+ -2. If you add 5 and -2 you will still get three.
Answer:
In the given two column proof two sides and included angles are equal.
Triangles are congruent if any pair of corresponding sides and their included angles are equal in both triangles .In the figure sides BD≅BD , AB≅ BC and <ABD ≅,BDD Therefore triangle ABD and triangle CBD are congruent by SAS property of congruence.
It travels 140 miles per 1 hour
Answer:

Step-by-step explanation:
Hi there!
Equation of a circle:
where the circle is centered at (h,k) and the radius is r
<u>1) Plug in the given center (7,0)</u>

<u>2) Plug in the radius (1)</u>

I hope this helps!
It is 40.682414698, or about 40.7 feet of string.