Algebra
x-3+x=0
What is x?
x=1.5
You have a bag with 5 red marbles and 20 black marbles.
what is the chance you get a red marble in percent?
20%
write 1/8 in percent
12.5%
a right angle triangle has one angle that is 69°, what is the unknown angles
21°
3.1x106 + 1.56x107
1.89x107
the scale is 1:4, the smaller square is 4 cm². How big is the big square in cm²?
64cm²
1.6-3.4
-1.8
the pattern is 2 6 14
What is the function?
8-4=4/2=2 1x2²=4-2=2
2x2² =8-6=2
3x2² =16-14=2
2n²+2n²+c
The height of an isosceles triangle is 8 cm, the base is 12 cm. What is the perimeter?
32cm