ratios and algebra
If there are 12 birds for every 6 dogs, what is the ratio of birds to dogs?
1 to 2
1:2
1/2
a polygon with 4 sides is a
quadrilateral
What is 30% of 130
39
20
Write the formula for the area of a triangle.
1/2 bh
In algebra, a letter that represents a value is a
variable
∠A=70∘, what is the complement of ∠A
20 degrees
Solve 22−4(7−5)÷4 .
20
14 yd = ______ ft
42
Write the formula for the volume of a cylinder.
V=πr2h
The constant term in the equation 6x=10x−8
-8
the approximate value of pi is
3.14
What is the greatest common factor of 65 and 78?
13
10 lb = _____ oz
160
Write the formula for the lateral surface area of a cube
A=4s2
what is the common difference 22,29,36,43...
7
Write the formula for the circumference of a circle.
C=2πr.
solve 20-(-5)
25
Convert 523 mg into decigrams.
5.23 dg
A supermarket had whole roasted chickens on sale for 60% off. If each chicken originally cost $15, what is the final sale price of one chicken
$6
Translate the phrase "12 more than three times x" into an algebraic expression.
3x+12
Write the formula for the area of a trapezoid.
A=1/2(b1+b2)h.
solve -5 x -13
65
Convert 0.976 kL into liters
976 L
A picture frame is 9 inches by 7 inches, with a width of 1 inch all around. What is the area of the picture frame?
28 square inches.