math
If the length of a rectangle is 4 more than 3 times the width, and the perimeter is 32 meters, what are its dimensions? Please enter your answer as two numbers without the units, separated by a comma.
statistics
a quiz consists of 30 true or false questions. if the student guesses on each question, what is the standard deviation of the number of correct answers
Physics
A ceiling fan starting from rest reaches an angular velocity of 30 rev/sec in 5 sec. What is the angular displacement of the fan during these 5 sec? Can you show me the steps need to figure this question out? Thanks!
Physics
A drawbridge with a weight of 5000 N is supported by a hinge and rope and is in static equilibrium. The length of the drawbridge is 5 m and the rope is attached to the draw bridge a distance of 4 m from the hinge. What is the tension force rope provides? Can you show me steps ...
math
I'm sorry, but I don't think this is possible since 999 + 999 = 1098 (even the sum of the largest possible three-digit numbers do not give us a large enough total. 104 x 162 = 16848 (not sure if you wanted a "product?" I found this by trial and error with a c...
math
there are 9 candidates running for 3 seats....how many different election results are possible
Calculus
Find the exact area below the curve y=x^3(4-x)and above the x-axis
Chemistry
Consider the dissolution of CaCl2. CaCl2(s) Ca2+(aq) + 2 Cl-(aq) ÄH = -81.5 kJ A 10.4-g sample of CaCl2 is dissolved in 102 g of water, with both substances at 25.0°C. Calculate the final temperature of the solution assuming no heat lost to the surroundings and assumi...
Java programming
can u give me some example of withdrawal money program using array to store ten information of user. including the attributes: (i) Name of the depositor (ii) Account number (iii) Type of account (iv) Balance amount And the methods: (i) Deposit (ii) Withdraw (iii) Display the b...
math
Your store’s average basket (transaction) size for the month of March was $11.50 and you believe the average basket size will remain the same for your store in April. One of your hourly employees had an average basket size of $9.00 for the month of March and averaged 125 ...
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