Find the circumference of a circle with a radius of 12cm
75.36cm
The ratio of length to width of a rectangular room is 6ft by 7ft. If the room is 36ft long, how wide is it?
42ft
2(3x+7)
6x+14
1/4x=5
x=20
2/7 + 5/14 divided by 1/2
1 whole (7/7)
Find the area of a circle with a radius of 3m.
28.26m2
The ratio of girls to boys in a room is 3 to 4. If there are 32 boys, how many girls are there?
24 girls
1/2 (9x+32)
3x+16
9x+4y-3x-2y
6x-2y
(72-22)-(42-12)
30
What is the scale factor of the two triangles? Find x
x=9cm
In a coin collection, the ratio of buffalo nickels to non-buffalo nickels is 2 to 8. If there are 96 non-buffalo nickels, how many buffalo nickels are there?
24
1/3 (36x-24y+12)+(-19)
12x-8y+(-15)
3.84-14 divided by (0.2) (0.2)
-254
(-2)(-6) divided by (-4)
-3
Find the circumference of a circle with a radius of 40cm.
251.2cm
The ratio of whole milk bottles to skim milk bottles is 3 to 7. If there are 210 bottles of skim milk, how many bottles of whole milk are there?
90
3(1/2x6/10)
9/10 = 0.9 = 90%
Solve by inspection:
4/f = 8/12
f=6
1/2 + 2/6 divided by 3/4
17/18
Find the area of a circle with a radius of 12m.
452.16m2
At the zoo, the ratio of spotted cats to striped cats was 2 to 5. If there are 12 spotted cats, how many striped cats were there?
30
34(2x-7y) +73+(-14x)
54x-238y+73
72-4(8+2)+square root of 49
16
24.56-30 divided by (2.5) (2.5)
-0.8704