Given:
Width of rectangular backyard = feet
Length of rectangular backyard = feet
To find:
The perimeter of yard.
Solution:
Formula or perimeter of a rectangle is
Using this formula, the perimeter of the rectangular backyard is
Therefore, the perimeter of the rectangular backyard is feet. So, feet fencing is needed.
The given triangle is a right angled triangle,
so let's apply trigonometry here :
Now,
_____________________________
Answer:
3 students got a perfect score.
Step-by-step explanation:
Total number of students in Mrs. Grape's class = 90
Number of students who earned an A = 3/10 of 90
=
= 27 students
Out of 27 students the number of students who got perfect score
=
= 3 students
3 students got a perfect score.
Answer:
reverse
Step-by-step explanation:
When you multiply or divide on one side of an inequaltiy, you have to mirror it on the other side and you have to reverse the inequality sign.
First look to see if the largest denominator is divisible by the smaller denominator. In this case it is. So the lcd is the largest denominator 15.