Answer:
Number of roast beef sandwiches bought = 5
Step-by-step explanation:
Cost of a roast beef sandwich = $6.75
x = number of roast beef sandwiches bought
Amount Used for Payment = $50
Change Received = $16.25
Actual amount paid = Amount Used for Payment - Change Received
= $50 - $16.25
= $33.75
Actual amount paid = $33.75
Number of roast beef sandwiches bought = Actual amount paid / Cost of a roast beef sandwich
= $33.75 / $6.75
= 5 roast beef sandwiches
Number of roast beef sandwiches bought = 5
add all known angles:
90 + 107 + 144 + 138 = 479
the interior angles of a 5 sided polygon need to equal 540
540 - 479 = 61
x = 61 degrees
60 I think, because it’s base times height divided by two
Answer:
Distance between cars rounded to the nearest foot is : 1903 ft
Step-by-step explanation:
Notice that two right triangles can be used to represent the diagram of this situation. One between the car whose angle of depression is
, and the other with the car with angle of depression
(see attached image)
Each triangle in the attached image is depicted with a different color. and as one can see, the distance between both cars is the addition of the side "x" in one triangle, to the side "y" in the other.
Notice as well that the information known for both right-angle triangles is one acute angle, and the side opposite to it. And what one needs to find is the side adjacent to this acute angle. Then, the function to use in both triangles, is the tangent:
a) For the
[orange] triangle :

b) For the
[green] triangle:

Therefore the total distance between cars is:
1081.42 ft + 821.19 ft = 1902.61 ft
which to the nearest foot can be rounded as: 1903 ft
Answer:
31
Step-by-step explanation: