Answer:
∡a has a vertical angle sibling of 40°, and vertical angles are always congruent.
∡b is the 3rd angle in a triangle, the other two are 40° and 90°, recall all interior angles in a triangle add up to 180°.
∡c is a linear angle, namely an angle on the same flat-line as another, and linear angles always add up to 180°.
Step-by-step explanation:
Answer: 6.25 miles
On Friday Hakeem ran 6.25 miles.
Answer:
6264
Step-by-step explanation:
(2+2)×2-11×+28 6×2
= 6264
Answer:
Originally
The number of coins in the first box was 
The number of coins in the second box was 
Finally
The number of coins in the first box is 
The number of coins in the second box is 
Step-by-step explanation:
Let
x-----> number of coins in the first box originally
y-----> number of coins in the second box originally
we know that

-----> equation A
-----> equation B
substitute equation A in equation B






Find the value of x

therefore
Originally
The number of coins in the first box was 
The number of coins in the second box was 
Finally
The number of coins in the first box is 
The number of coins in the second box is 