Answer:
76 birds
Step-by-step explanation:
Let x = the number of birds
Let y = the number of cats
x + y = 35 y = 35 - x
4.50x + 8.50y = 221.50 Multiply the whole equation by 100.
450x + 850y = 22150
450x + 850(35 - x) = 22150
450x + 29750 - 850x = 22150
-100x = -7600
x = 76 birds
Answer:
X = 5 u
m∠4 = 85º
m∠ = 85º
Step-by-step explanation:
17x = 9x + 40
17x-9x = 40
8x = 40
x = 40/8
x = 5
m∠4 = (17x)º = (17*5)º = 85º
m∠ = (9x+40)º = (9*5 + 40)º = (45 + 40)º = 85º
Let the number of frogs in the Blue Pond be x
Blue Pond = x
There were 26 more frogs in Green Pond than in Blue Pond
Green Pond = x + 26
There were 80 frogs altogether
x + x + 26 = 80
2x + 26 = 80
2x = 80 - 26
2x = 54
x = 27
x + 26 = 27 + 26 = 53
There were 53 frogs in the Green Pond originally.
The surface area is 870 cm².
Since the base is a regular quadrilateral, each side is the same; dividing the perimeter by 4 will give us the side length:
60/4 = 15
To find the area, we square the side length:
15² = 225
There are two bases, so the area of these is 2(225) = 450
There are 4 lateral faces, so the lateral area is 4(105) = 420
Together, this gives us a total surface area of 870.
Answer:
Instead, you use the symbol to indicate “approximately equal to.” The circumference is 9 or approximately 28.26 inches.
Problem: Find the radius of the circle
Answer: The radius is 18 feet
Step-by-step explanation:
