Solve x: 2x – 3 = 0
A. x=1
B. x= 3/2
C. x= 2/3
B. x=3/2
Write 4.8 x 100 in standard form.
A. 480
B. 4.8
C. 48
B. 4.8
find b: Perry wants to replace the net on his basketball hoop. The hoop is 10 feet high. Perry places his ladder 4 feet from the base of the hoop. How long must the ladder be to reach the hoop?
A. b=9.17
B. b=7
C. b=8.94
A. b=9.17
Which of these is an irrational number?
A. 3.25
B.√79
C.√10000
B.√79
which of these numbers are irrational numbers?
A. 1/2
B. √2
C. √3
A. 1/2
solve for y: 2y = 8
A. y=7
B. y=4
C. y=1.2
B. y=4
Scientific notation writing very large numbers using powers of 10.
A. True
B. False
A. True
find C: A rectangle has a length of 30 yards and a width of 40 yards. Find the length of the diagonal
A. c=45
B. c=32
C. c=50
C. c=50
When we multiply two irrational numbers, then we get:
A. always rational number
B. always irrational number
C. Sometimes rational and sometimes irrational
C. Sometimes rational and sometimes irrational
Which of these numbers are rational?
A. √5
B. √7
C. 3/4
C. 3/4
solve for m: 2(m + 6) = 48
A. m=16
B. m=12
C. m=24
A. m=16
Write 9,450,000 in scientific notation.
A. 9.45 x 10^4
B. 9.45 x 10^7
C. 9.45 x 10^6
C. 9.45 x 10^6
find a:A ladder is leaning against the side of a 10 m. house. If the base of the ladder is 3 m. away from the house, how tall is the ladder
A. a=24.55
B. a=10.44
C. a=12.32
B. a=10.44
The decimal expansion of an irrational number is:
A. terminating
B. non-terminating repeating
C. non-terminating and non-repeating
C. non-terminating and non-repeating
which of these numbers are rational?
A.√9949
B. 3.14
C. √13
B. 3.14
solve for x: 4x−7(2−x) = 3 x + 2
A. x=3
B. x=2
C= x=3/4
B. x=2
The closest galaxy to our own is over 2,500,000 light years away. Write this number is scientific notation.
A. 2.5 x 10^7
B. 25 x 10^5
C. 2.5 x 10^6
C. 2.5 x 10^6
find c: Mark needs to wash the windows on the second floor of a building. He knows the windows are 12 feet above the ground. Because of dense shrubbery, he has to put the base of the ladder 5 feet from the building. What ladder length does he need?
A. c=11
B. c=12.14
C. c=19.908
C. c=19.908
Select an irrational number from below.
A. 1.353553555...
B. 1.35
C. 1.55...
A. 1.353553555...
which of these numbers are rational?
A. 21/70
B. √11
C. 2pi
A. 21/70
Solve for x:
A. x=5/4
B. x=7/3
C. x=3/7
C. x=3/7
Light travels at a rate of 186,000 miles per second. Write this number in scientific notation.
A. 186 x 10^3
B. 1.86 x 10^4
C. 18.6 x 10^4
B. 1.86 x 10^4
find c: A rescue boat leaves Walk Dock and travels 18 miles due north to haul in a sailing vessel stranded in the middle of a lake. After attaching a cable, the rescue boat hauls the sailing vessel 80 miles due east to Blue Haven Dock. Determine the direct distance from Walker Dock to Blue Haven Dock.
A. c=82
B. c=78
C. c= 80
C. c=82
How many irrational numbers are there between any two rational numbers?
A. Infinite
B. Zero
C. One
A. Infinite
which of these numbers are rational?
A. 0.3333
B. 2√5
C. 1.7320
A.0.3333