bob

6 Questions
11 Answers

0

863

3

+46

math compitition

An object that is 260 lbs and 4 ft away from the fulcrum is exactly balance with a ballerina that is 80 lbs. how far away is the ballerina from the fulcrum

bob Feb 5, 2014

0

968

2

+46

help plz

Which of the following statements is false?
choices
a. A conditional statement and its converse must have the same truth value.
b. A conditional statement and its contrapositive must have the same truth value.
c. A conditional statement’s read more ..

bob Jan 10, 2014

0

739

1

+46

help

What is the center of the circle with an equation of (x – 4)2 + (y + 1)2 = 9?
choices
a. (4, -1)
b. (-4, 1)
c. (4, 9) d. (-1, 9)

bob Jan 9, 2014

0

777

2

+46

help

Solve the system:
y = 2x2 - 4x - 4
x + y = -5
the choices are
a. {-6, 1} b. no real solution c. {(1, -6) and (0.5,-5.5)} d. [{1,6}, {-1,-6}]

bob Jan 9, 2014

0

1193

1

+46

probability

You entered a contest at a local restaurant. There are 3 grand prizes, 10 second prizes, and 40 third place prizes. If there are 200 entries, what is the probability that you will win second prize?
a. 1/20
b. 1/5
c. 1/12
d. 3/10 Im read more ..

bob Jan 7, 2014

0

732

2

+46

question in geometry

The volume of a rectangular prism is 115 cm3. If the length is doubled, the width is tripled, and the height is cut in half, what is the volume of the new prism?
answers
a. 115 cm3
b. 690 cm3
c. 230 cm3 d. 345 cm3

bob Jan 7, 2014

+46

0

3 into 2629
3 cant go into 2 but can go into 26
you get 8
then 22
you get 7
then you get 19
and you get 6
then you get 1 and it would be 876 and 1/3

bobFeb 5, 2014