Find the hypotenuse of a right triangle if both legs are 5 units long.
sqrt50, or 5 sqrt2
"Graph on a number line " x<= -4
Closed dot at -4, shaded left
Solve:
3x+ 7x + 5 = 70 - 3x
x = 5
What is w if 20% of 50 is w?
10
Simplify:
[6+(5 +(-3)]2
16
Find the volume of a cylinder if radius is 5 meters and height is 3 meters.
75pi " cubic meters"
If (-3, 7) is reflected over the y-axis, the new location is:
(3, 7)
Solve:
9x2 + 7 = 2x2 + 35
x = +- 2
What percent of 50 is 20?
40%
Simplify:
30+[6(4-6+10(-6)]
-342
If a cube's volume is 343 cubic inches, find its surface area.
294 square inches
Graph on a number line:
Solid dot on 4, shaded right
If the sum of a number and 6 is multiplied by negative 2, the result is seven less than three times the number. What is the number?
-1
What is
3 1/4% " of 2?"
0.065 or
13/200
Simplify:
3[3^-1(9)-5^-2(125)]
-6
What is the volume of a cone with a radius 15 inches and a slant height of 25 inches?
1500pi " cubic inches"
Graph the point (x, y) if
4x + 4 = -20 and 3y - 5 = 10
(-6, 5) in the second quadrant
Solve:
10x2 - 7 + 3 = 11x2 - [(-7)(-2)-1]
x = +- 3
What decimal is 13% of 20?
2.6
Simplify:
7^3-5^2+abs(-3+5(-19))-3+1017
1430
"If " Delta ABC ~ Delta DEF "and both are right triangles"
"what is DF if AB = 10, BC = 24, and DE = 30?"
78 units
Graph the line y = x + 3
What is 12x-1 if
23x+(-3)^4div3 = 8!-40155
2
What fraction is
7 1/13 " of 2?"
184/13
Simplify:
abs(-6+5)-5^2+25+9^3-5^3-abs(442-2(107+104))
585