algebra
trig
word problems
random
100

2x + 5 = 15

5

100

What is sin 30

1/2

100
john has 5 apples, he buys 20 more, ends up dropping 2 and buys 15 more. how many apples are there?

38 apples

100

What is 5! (5 factorial)?

120

200

Simplify the expression : 3x(2x - 4) + 5x2

11x2 - 12x

200

What is the values of tan 45

1

200

A rectangle has a length of 12 cm and a width of 5cm. What is the area?

60 cm2

200

Convert 45 degrees to radian

Pie / 4

300

solve the system of equations:
2x + y = 10

3x - y = 5

X=3 y=4

300

If Cos theta = 0.5 what is theta degrees

Theta = 60

300

A car travels at 60km / h. How far does the car travel in 3 hours

180 km

300

What is the slope of the line that passes through the points (2,3) and (5,7)

4/3

400

Factor completely:

x3 - 27

(X-3) (x2 + 3x + 9)

400

Solve for X:

sin(X) = 1/2

X=30 or X=150

400

A tank can be filled with a pipe in 3 hours and emptied by another 5 hours. How long will it take to fill the tank if both pipes are open?

7.5 hours

400

What is the sum of the interior angles of a hexagon?

720 degrees

500

Solve  the equation:

3x2 - 5x - 2 = 0

X = 2 , X = -1/3

500

how would we prove the identity:

sin2theta + cos2 theta = 1

Using the Pythagorean theorem 

500

If a person invests $1000 at an interest rate of 5% per year, compound annually, what will the investment be after 3 years?

$1157.63

500

If log X = 3 what is X?

x = 1000

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