11/20/20

need help please help me

i need help solving this problem Tamara bought a sweater that was onsale for 30 percent off the original price.The original price of the sweater was $80.How much did Tamara pay?
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11/20/20

There are 15 pieces of fruit in a bowl and 6 of them are apples. What percentage of pieces in the fruit bowl are apples? Please explain
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11/20/20

write a polynomial function f of least degree that has rational coefficient of 1, and the given zeros 3i, 2, -i it should be written like f(x)=....
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11/20/20

Algebra 1/2 Word Problem

Phil can paint a room in 4 hours. He paints the room for 2 hours, then takes a break to have lunch. During which, his younger brother Nick takes over and paints the room for 1 hour (he can paint a... more
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11/20/20

The sum of two numbers is 59 and the difference is 19. What are the numbers?
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11/20/20

Mrs. Dellamorte starts a side-business selling her mixtape. She makes a weekly profit by selling 'x' mixtapes according to the equation p(x)=-0.5x²+40x-300
How many mixtapes does she need to sell each week to maximize her profit? Don't forget to use units.
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11/20/20

Calculus I Optimization Problem
A square-based, box-shaped shipping crate with a volume of 16 cubic feet needs to be constructed at minimum cost. The material used for the sides of the box costs p dollars per square foot, while... more
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11/20/20

Stats Practice Question

You measure 47 textbooks' weights, and find they have a mean weight of 55 ounces. Assume the population standard deviation is 9.2 ounces. Based on this, construct a 95% confidence interval for the... more
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11/20/20

The equation of a line perpendicular to AB A(−1, 6) and B(2, −3),that passes through the point (4, 7). Leave your answer in standard form.
Please help 10th grade math
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11/20/20

write a polynomial function f of least degree that has rational coefficients of 1, and given zeros. Write a function in standard form. -2, 1, +√7
√
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11/20/20

Math question, pls help
Martin can read 9 pages in 12 minutes. At this rate, how long will it take him to read 3 pages?
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11/20/20

If all the empty seats are on the last train, find:
Eurostar is a high-speed railway service connectingLondon with Paris and Brussels,In February, 350,000 passengers travelled by Eurostar,Each train has 15 carriages and each carriage has 32 seats,If... more
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11/20/20

MATH HELP URGENT
Troy and Tory are working on a computer together. They can make the computer in 10 hours while working together. Troy works at half the rate Tory does (ie it takes Troy two times longer to make the... more
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11/20/20

Consecutive Odd integers

 three consecutive integers such that the smallest is equal to the sum of the middle and the greatest minus 14. 
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11/20/20

Suppose that f(x)=-3x^3-11x^2-8x+4 If (x + 2) is a factor of f(x), what is f(x) completely factored?

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11/20/20

Another question...
A rectangular garden must have a perimeter of 155 feet and an area of at least 1400 square feet. Describe the possible lengths of the garden. Round your answers to the nearest foot. The approximate... more
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11/19/20

Please help, thank you so much.
Consider the function f(x)=x^2+3x-18. Let g be a translation of f so that g has zeros x= -3 and x= -17. Write a rule for g.
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11/19/20

please help i have a quiz tommorow
A box with a square base and open top must have a volume of 32000 cm^3. We wish to find the dimensions of the box that minimize the amount of material used.First, find a formula for the surface... more
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11/19/20

Circular Trigonometry Question
Find tan 75° exactly using an angle addition or subtraction formula.Find the exact value of tan 75°Which answer is itA: 3+√3 / 3-√3B: √3 + √2 / 8C: 2+√6 / 2-√6D: √3 - 1 / 8
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11/19/20

Writing Polynomials

Write a polynomial or least degree with roots 1 and 4?
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11/19/20

What percent of scores are above 400?
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11/19/20

Circular Trigonometry Question
Find an exact value by using an appropriate addition or subtraction formula.Find the exact value for sin(-195)°
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11/19/20

Graphing functions
Graph the function f(x)=x after it has been vertically shifted 4 units.
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11/19/20

Graphs of linear functions
Give the equation of the line passing through the point (12,−22) that is perpendicular to y=6/7x+1.Write your answer in slope- intercept form.
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11/19/20

Need help on math
RECTANGLES The formula P = 2l + 2w represents the perimeter of a rectangle. In this formula, l is the length of the rectangle and w is the width.
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