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MATH SOLVE
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For a certain function f = f(x), we know that f is proportional to x and that the constant of proportionality is 20. Find a formula for f.a) f(x) = 20xb) f(x) = 20c) f(x) = x+20f(x) = 20 x^20
General
2 months ago
Solve each of the following by using a proportion. 1. One out of every five people who buy ice cream buys vanilla ice cream. If a store sells 125 ice cream cones in one day, about how many will be vanilla? 2. Taxes on a house assessed at $64,000 are $1500 a year, If the assessment is raised to $85,000 and the tax rate did not change, how much would the taxxes be? 3. I have a map where Indy and Ft. Wayne are 3 centimeters apart. Kokomo and Indy are 1.5 cm apart on the map. If I know that Indy and Ft. Wayne are really 120 miles apart, how far would Indy and Kokomo be in real life? 4. A clock can make 1 full rotation with its hand in 1 minute. How many rotations would it make in 1 hour? 5. Let us imagine that your MATH 123 book cost $45 to print. How much does it cost per page? (Hint: you will need information about your book to calculate this!)
General
2 months ago
Use truth tables to show that the following statements are logically equivalent. ∼ P ⇔ Q = (P ⇒∼ Q)∧(∼ Q ⇒ P)
General
2 months ago
Prove that the set of real numbers in the interval [0, 1] is uncountable. Hint: Use the diagonalization argument on the decimal expansion of real numbers.
General
2 months ago
Plumbing From Scratch Mia is a plumber and she is setting up the pipe system for a new house. In one hour, she can connect 5 pipes together. The first pipe will never connect to the last the very last pipe. This house is going to require assembling together 32 consecutive pipes. How many hours will this take her? Assume she takes no breaks. If you get a partial hour in your answer, write your answer in hours and minutes.
General
2 months ago
Let an be the sum of the first n positive odd integers.(a) List out at least the first 4 terms of the sequences. Be sure to use proper notation.(b) Give the closed/explicit formula for this sequence. Be sure to use proper notation.(c) Give the recursive formula for this sequence. Be sure to use proper notation.
General
2 months ago
Carmella is purchasing a $105,000 home and her bank is offering her a 30-year mortgage at a 4.5% interest rate. In order to lower her monthly payment,Carmella will make a 20% down payment and is considering a purchase of 2points. How much lower will her monthly payment be if she purchases thepoints?
General
2 months ago
The diameter of a certain ball is 2.9 inches. What is the volume of the ball? (Round your answer to two decimal places.) in The ball is covered in material. How many iquare inches are needed to make the cover of the ball? (Round your answer to one decimal place.)
General
2 months ago
You need to order cement to make a concrete sidewalk 3 feet wide and 95 feet long. Assume that the depth of the concrete is 4 inches. How much cement is needed, in cubic feet? Ask Your Teac Cement is usually ordered in cubic yards. How many cubic yards of cement do you need? (Round your answer to one decimal place.)
General
2 months ago
Calculate to the nearest 1/10th foot the length of the side of a 5th, 10th, and 100th acre square plot.
General
2 months ago
find the sum of the two fractions show your work 3/8 and 1/2
General
2 months ago
You are looking for a new cell phone plan. The first company, cellular-Tastic (f), charges a monthly fee of $35 and $0.11 per minute of use. Dirt-cheap cell (g) charges a monthly fee of $55 and $0.01 per minute of use. How many times would you need to use for the cell phones to cost the same amount.
General
2 months ago
B(3x -4) A(9x + 17) C(6x -31) solve for angle A
General
2 months ago
There are n gallons of oil. After m gallons have been used then, in terms of m and n, what percent of oil remains? What percent was used?Answer:percent of oil remains; percent was used.Also I need this TODAY
General
2 months ago
2. Given the coordinates, classify triangle QRT by its sides. Q(-2, -1), R(1,5), T(-8,-4)Classify:
General
2 months ago
Vernice did not want to tell her age, so when she was asked, her mother answered forher. Her mother said, "I am double her age plus 10.In ten years' time she will be half my age. How old is Vernice?
General
2 months ago
can anyone please help me with this ?
General
2 months ago
given the coordinates, classify triangle QRT by its sides. Q(-2, -1), R(1, 5), T(-8, -4)
General
2 months ago
A large department store held a big sale, with all clothing at 65% off, all jewelry at 60% off, and electronics at 30% off. It added a 6% sales tax to jewelry and electronics purchases only. Andre purchased a VCR originally priced at $180.95, two $48 shirts, and a $106 necklace. What was Andre's total bill?
General
2 months ago
Mike wants to work out the height of a tree with a fence all around it. From A he can see the angle of elevation is 19°
General
2 months ago
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