Algebra
5+x=7
x=2
What is the area of a square with the perimeter of 16cm?
16cm^2
What is bigger? a)11.5% from 1234 or b)12.7% from -1212?
a is positive, b is negative.
2^-3
1/2 * 1/2 * 1/2
Answers for√16
4, -4
16 * x = 58-10
x=3
What are the interior angles of a equilateral triangle?
60 degrees.
what is 71% of 1000?
710.
9^-3
1/729
√ 4761 is equal to
69
8(x-2) / (-8)= 82
x=-80
If the area is 12cm^2, and the height is 8cm, what is base? (triangle)
3cm is the base.
you have 100$ every day 5% is added. how much money will you have in 4 days?
121.55$.
12^-3
1/1728
150 boys and 75 girls are in a school. Simplify the ratio from girls to boys.
1:2
-(3^2(-(23+69) + x -1^11111113))=0
x=93
What is the surface area of a sphere if diameter is 6km?
113.1km or 36 Pi km.
What's larger 7% of 80 or 8% of 70.
They are equal.
15^-4
1/50625
Simplify 4√80
24√5
Change (a+b)^2 to something equal, and different
a^2+2ab+b^2
Find the volume of a frustum if: the lower radius is 10cm and the higher radius is 5cm. The height of the entire frustum (including the imaginary cone on top) is 90cm. The height of the imaginary cone is 50cm.
The volume is 2583cm^2
Find x if 100% is 10001 and x% is 12.5.
x=0.12% (rounded).
(2^-2)^-2 * 3^-2/ -1^11212
-16/9
2√(x-2) + 3=9
11