math
sorry meant 8ft
math
tony cut 2 ft 7 1/2 in. length from 8 in long board. what is the remaining length of the board.
Algebra
oops, I made a mistake. There are 435 tiles!!!!
Algebra
The floor of a dance studio is covered with 615 tiles. The owner of the studio replaced the tiles last year. The tiles cost $15 for a set of 8 and $2 for each additional tile. What is the monthly increase the owner charged each of her 34 students over a 6-month period to cover...
Algebra
There are 435 tiles, not 615. Sorry.
Vocabulary
I need help with writing sentences using my vocabularywords
Chemistry
Q1: You wish to prepare a buffer solution with pH = 11.10. What volume of 6.0 M HCl would you add to 500 mL of 0.10 M (C2H5)2NH to prepare the buffer? You may assume that the solution’s volume remains constant. Q2: What is the resulting pH when 20 mL of 0.20 M NaOH is add...
Physics
A simple pendulum in a certain planet is found to vibrate 50 times in 100s. Find its (a) period, (b) its frequency. (c) When 1.5m of its length is cut, it vibrates 50 times in 50 s. Find the original length of the pendulum. thanks in advance
Math
the length of a rectangular garden exceeds its width by 8 feet. if each side of the garden is increased by 2 feet, the area of the garden will be increased by 60 square feet. find the dimensions of the original garden
Applied maths
Evaluate in the domain of complex variables. a) [3(cos〖55°〗+j sin〖55°〗 )]^2 b) (5.0/15°)^3 c) (52/42°)^(1/2) d) ∜4
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