Answer:
The length of the rectangle is 25 km
Step-by-step explanation:
Let
x ----> the length of rectangle
y ----> the width of rectangle
we know that
The perimeter of rectangle is

we have

so

simplify
---- > equation A
---> equation B
substitute equation B in equation A and solve for y





Find the value of x
therefore
The length of the rectangle is 25 km
Answer:
Pre calculus is the study of the mathematical prerequisites for calculus, including algebra, trigonometry and analytical geometry. ... For example, the self-paced Khan Academy precalculus course includes trigonometry, conic sections, vectors, matrices, complex numbers, probability and series.
Answer:
180 -93+37= 180 -124 = 56
Step-by-step explanation:
interior angles of a triangle are 180 degrees
so 180 - 124 = 56
Answer:
Step-by-step explanation:
She gave out three dozen and she had six dozen so she has three dozen left three dozen 3 * 12 she has 36 cookies
That is called the multiplicative identity property.