05/28/23

Break even point
Suppose the cost of producing x units of a product is given by C(x) = 0.1x 2 + 1600 + 18x and the revenue for the sale of x units is given by R(x) = 100x. Determine the smallest number of units... more
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05/28/23

MATHEMATICS questions

Carol.Wynne bought a silver tray that originally cost $ 155 and was advertised at 70% off. WHAT WAS THE SALE PRICE OF THE TRAY ?
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05/28/23

Algebraic Expression
Translate the phrase to an algebraic expression. The absolute value of a, decreased by 6
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05/28/23

Size of heptagon

what is diameter and area of heptagon with sides 7 feet long?
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05/27/23

MATHEMATICS QUESTION

A number increased from 2,012 to 7,727. Find the amount of increase
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05/27/23

Quiz: Venn Diagrams and Set Operations
Given the following definitions:U = {1, 2, 3, 4, 5, 6, 7}A = {1, 2, 4, 5}B = {1, 3, 5, 7}How many elements are in A ∩ B' ?Your Answer:
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05/27/23

Quiz: Venn Diagrams and Set Operations
Given the following definitions:U = {1, 2, 3, 4, 5, 6, 7}A = {1, 2, 4, 5}B = {1, 3, 5, 7}How many elements are in A ∩ B ?Your Answer:
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05/27/23

Quiz: Venn Diagrams and Set Operations
Match the following symbols with their related meaning.A compliment, A union B, A intersection B A ∪ B A ∩ B A'
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05/27/23

Quiz: Venn Diagrams and Set Operations
U = {a, b, c, d, e, f, g}A = {a, c, e, g}B = {a, b, c, d}Find A ∩ B
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05/27/23

Quiz: Venn Diagrams and Set Operations
Given the following definitions:U = {a, b, c, d, e, f, g}A = {a, c, e, g}B = {a, b, c, d}Find A'Answer in roster form, with a single space after each comma.
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05/27/23

Quiz: Venn Diagrams and Set Operations
Given the following definitions:U = {1, 2, 3, 4, 5, 6, 7}A = {1, 2, 4, 5}B = {1, 3, 5, 7}How many elements are in A' ∩ B ?Your Answer:
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05/27/23

Quiz: Venn Diagrams and Set Operations
Given the following definitions:U = {1, 2, 3, 4, 5, 6, 7}A = {1, 2, 4, 5}B = {1, 3, 5, 7}How many elements are in A ∪ B' ?Your Answer:
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05/27/23

Sequences and series questions
a) The sum of a geometric sequence 2 – 6 + 18 – 54 + ... –  is –29 524. Find the number of terms.b) Find S17 for the series 8 – 4 + 2 – 1+ ...
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05/27/23

How to write this proof by induction
Prove by Induction √(2n)! <2^n * n!, n≥1, n∈ℕ.Hi I am looking for how to write the proof to this, and I only recently started to study induction proofs, so an extra explanation or annotations... more
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05/26/23

If a fair die is rolled 7 times, what is the probability, rounded to the nearest thousandth, of getting at least 6 threes?
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05/26/23

Optimization problem (Calculus)
A rectangular pigpen will be surrounded by a fence and then divided into two sections by a block wall. The area of the pigpen must be 50 m^2 . Fencing costs $20/m. The block wall costs $35/m. What... more
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05/25/23

at a middle school 74 students have freckles. there are 258 students in the school . to the nearest tenth percent what percent of the students have freckles?
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05/25/23

Math homework on statistics . 8 questions

Normal Curve 1. A set of data has a normal distribution withmean of 50 and a standard deviation of 5. Sketch and label a normal curve.2. Find the probability that a randomly selected x-value is... more
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05/25/23

Sequences and series in functions questions
a) Calculate the sum of the series: –396 – 308 – 220 – 132 – ... + 836.b) Calculate the sum of the series 4 + 12 + 36 + ... + 2916.c) Calculate the sum between and including the terms  and  of an... more
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05/25/23

Hello! I could use some help with these questions on sequences and series for functions so that I can cross-reference with my work
a) Find S9 of a geometric series if t1 = 2 and t6 = 486.b) What binomial power does the binomial expansion  represent? Indicate the binomial base as well as the exponent. Explain how you figured... more
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05/25/23

Translate the sentence into an equation. Five more than the product of a number and 9 is equal to 8. Use the variable y for the unknown number.
Translate the sentence into an equation.
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05/25/23

How do you solve for θ in the equation: sin(2θ)=(6θ-2π)/3
I've started solving a problem and eventually got this: sin(2θ)=(6θ-2π)/3(θ is an angle measure in radians)I didn't know how to solve this equation so i put it into different online tools but none... more
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05/25/23

Marginal Revenue/profit question
If marginal revenue is -0.009x^2 + 1020 and the cost per unit is 1.5, how much do profits increase by when output is expanded from 90 units to 148 units?
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05/25/23

Write an equation in standard form for the polynomial with given zeros x=-1, x=4i, and x=√6. Show your work.
You may leave equation in factored form, but it must have real number coefficients. Assume a=1
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05/25/23

Find all zeros of the function. Show all of your work - synthetic division, factoring, quadratic formula, etc. f(x)=3x^3-5x^2+5x-14
The leading coefficient of 3 has an exponent of 3 so shouldn't there be 3 roots? Yet the only root I found was x=2. I am confused.
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