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1. Find the least complete solution: x3 + x2 + 1 ≡ 0 (mod 27).
2. Find the least complete solution: x2 - x + 7 ≡ 0 (mod 117).
3. Find the least complete solution to the congruence. Start by making a table of the least residues of 12, 22, ...., 82 (mod 17).
5x2 + 11x - 2 ≡ 0 (mod 17)
4. Suppose p is an odd prime nor dividing ab. Show that z2 ≡ ab (mod p) is solved exactly when both or neither of x2 ≡ a (mod p) and y2 ≡ b (mod p) are solvable.
5. Use the law of quadratic reciprocity to show that if p is an odd prime other than 5, then (5/p) = 1 if and only if the last digit of p is 1 or 9.
6. Show that if ab ≡ 1 (mod p), p an odd prime, then (a/p) = (b/p).
Choosing a phone plan in a college dormitory, each student has a choice of two phone companies. Company A charges $7.46 per month plus 13 cents a call and Company B charges $6.17 per month plus 17 cents per call. About how many phone calls do you ..
A printer has a contract to print 100,000 invitations for a political candidate. He can run the invitations by using any number of metal printing plates from 1 to 20 on his press.
At the scene of an accident, police measured a skid mark of 361 feet. About how many miles per hour was the car traveling when the brakes were applied?
think of one linear function and one quadratic in the business world. for both functions justify them by finding the
Use taylor series expansion to find the given variables.
the length of a pool is 22 ft. the width is 40 ft. if the volume of the pool is 2,000 ft3, which equation below could be used to find the depth of the pool?
Find the sum and enter it in the box below. Enter your answer as a polynomial in descending order, and use the caret (^) for exponents. For example, you would write as 4x^2.
How many batches of the topping must she make to complete her torte? (Use ? = 3.14 as an approximate value)
Determine the angle of the launch to obtain the maximum length of the trajectory. Let v0 = 96 feet per second
This is an open-book exam. You may refer to your text and other course materials as you work on the exam, and you may use a calculator. You must complete the exam individually. Neither collaboration nor consultation with others is allowed.
A box has square ends and a rectangular base but no top, the volume is 288 cubic cm. What is the minimum total area of the sides and base, and what are the corresponding dimensions?
write and solve an equation to determine the selling price of the house. jamie sold her house for x dollars. the real
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