Algebra Homework Answers & Questions

Answered If a given set has 12 element...If a given set has 12 elements, how many of its subsets have at most three elements?
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Waiting for answer I'm not very good with algebra...I'm not very good with algebra,or equations and seek to find some help online. I don't know if equations will be on the test but i seek to find help with mostly things that will be on the test.
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Waiting for answer 4b3_ab2+a2_ab2 arrange the que...4b3_ab2+a2_ab2 arrange the question in ascending and descending order of the variable indicate
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Answered Translate the mathematical exp...Translate the mathematical expression: Two times an unknown number, increased by the sum of the same unknown number and six
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Answered mathPercentage increase (decrease) in the price of the product in comparison with the original, if the price first decreased by 48%, and then increased by 58%?
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Answered A three digit number is equal...A three digit number is equal to 17 times the sum of its digits.if 198 is added to the number, the digits are interchanged . The addition of first and third digit is 1 less than middle digit. Find the number.
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Waiting for answer 1. Show that if A ∈ C (m×n) a...1. Show that if A ∈ C (m×n) and m ≥ n, then ∥A∥2 ≤ √n∥A∥2. The matrix B = A denotes the absolute value of A, i.e. Bij = Aij  for all i, j.
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Answered The legnth of the rectangle is...The legnth of the rectangle is 3 meters less than twice the width. If the area is 27 square meters, find the width and the length.
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Answered Determine which is longer rive...Determine which is longer river by how many kilometers, Amazon river 3980 miles; Yangtze 6304 kilometers. Which is longest river and by how many kilometers?
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Answered Mrs. Gibbs goes to the store t...Mrs. Gibbs goes to the store to buy AA and 9V batteries. The store has 12 AA batteries and 15 9V batteries in stock. Mrs. Gibbs needs at least 6 AA batteries. In all, she wants to buy at least 20 batteries. Mrs. Gibbs buys 7 AA batteries. How many 9V batteries could she buy?
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Answered If a data set has a quadratic...If a data set has a quadratic trend and a quadratic function is fit to the data, what will the residual plot look like?
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Answered Use the given equation to find...Use the given equation to find the solution to the following problem. The equation 9.95 + 0.30s = c gives the cost c in dollars that a website charges for downloading songs. The variable s stands for the number of songs downloaded. Find the cost of downloading 35 songs.
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Answered Sarah goes to Fredonia Univers...Sarah goes to Fredonia University. She has $900 in her savings account. She needs to but a new small laptop computer before the next semester. The laptop costs $600. Every 2 weeks she withdrawls $60 from her savings account for food. How many times can Sarah withdraw money for food? Write an inequal...
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Answered The slope of a line is 4/5....The slope of a line is 4/5. What is the slope of any line perpendicular to this line
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Answered Peter walks 3 minutes at a con...Peter walks 3 minutes at a constant rate and travels 330 meters. If we graph this relationship with time along the xaxis and distance along the yaxis, the slope of the line representing this relationship is . If Peter walks for an hour, the point on the line that represents the distance he wal...
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Answered A suitcase measures 24 inches...A suitcase measures 24 inches long and 18 inches high. What is the diagonal length of the suitcase to the nearest tenth of a foot?
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Answered The price of stock decreased $...The price of stock decreased $2 per day for four consecutive days. What was the total change in value of stock over the four day period?
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Answered In 1985, 39% of people age 12...In 1985, 39% of people age 12 and over reported using cigarettes. The percent of people using cigarettes has decreased about 1% per year since 1985. A) Write and equation that represents how many people use cigarettes in X years. B) If the percent of people using cigarettes continues to decrease a...
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