Answer:
17m
Step-by-step explanation:
Draw a picture for the situation:
__________<u>15m</u>___________
| |
b | | 8m
|________________________|
a
We can assume the floor is a rectangle. Cut the triangle diagonally in half.
The rectangles has all right angles and is composed of two right triangles.
Use the Pythagorean formula and solve for the length of the hypotenuse to find the distance between two the opposite corners. I labelled two of the sides a and b.
The formula is: a² + b² = c² , where c is the distance. Substitute the side lengths a and b and solve for c.
a² + b² = c²
15² + 8² = c²
Simplify:
225 + 64 = c²
c² = 289
c = √289
c = 17
The distance between two opposite corners on the floor is 17 metres.
Answer:
7m +3
Step-by-step explanation:
To find the perimeter of a triangle, we add up all the sides
m + 3m + 3m+3
Combine like terms
7m +3
Answer:
Supplier B would cost $625 more than supplier A.
Step-by-step explanation:
Write the area I guess ex. 14 = 6t + 6
Answer:
One student costs $3.75
Step-by-step explanation:
Unit rate is how much it is for 1 item. In this case, we want to know the cost for 1 student.
$30/8 students ... if it is $30/8 students, you can divide by 8 to find out how much it is for one student.
$30/8 = $3.75
