Math w/o Calculator
A + B = 12. If A = 9, what does B equal?
3
Solve for x and round to 2 decimal places:
e^x+7=19
2.48
x + y =20
In the equation above, if x represents the number of cupcakes Clarice bought and y represents the number of bagels she bought, what does 20 represent?
The number of cupcakes and bagels Clarice bought.
Find the area of a 60 degree sector of a circle with radius 4 inches. Round to two decimal places.
8.38 square inches.
Write an expression equivalent to 4(x+10)-100.
4x-60
A rolling suitcase cost $95.40 after a 6% sales tax was added. What the price of the suitcase before the sales tax was added?
$90
x^2 +bx - 8 = 0
If -4 is one of the solutions of the equation above, what is the value of b?
b = -4 + 2 = -2
A can of peaches is in the shape of a right circular cylinder with radius 2 inches and height 4 inches. If the can contains 10 cubic inches of syrup, what is the volume of the peaches in the can? Round your answer to two decimal places.
40.27 cubic inches
The number of radians in a 540 degree angle can be written is a*pi. What is the value of a?
3
In Triangle ABC, Angle A is opposite side a and Angle B is opposite side b. If Angle A has measure 20 degrees, Angle B has measure 45 degrees, and side a has length 6, what is the length of side b? Round your answer to one decimal place.
12.4