All Questions ⁺⁰230587 Questions

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The Lucas Numbers

The Lucas numbers are defined in the same way, but with different starting values. Let L_0 be the zeroth Lucas number and L_1 be the first. If

then what is the tenth Lucas number? (Note: We seek a numerical answer.)

waffles Feb 14, 2018

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824

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Find (a,b) such that

Find (a,b) such that

waffles Feb 14, 2018

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898

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Let

Let

There is a unique ordered pair (c,d) such that is the closed form for sequence .
Find c using the Fibonacci and Lucas number sequences.

waffles Feb 14, 2018

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1157

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A closed form for the sum is 1 - (a^n+b)/(3^2n+c - 1) where a and b are integers. Find

A closed form for the sum
is 1 - (a^n+b)/(3^2n+c - 1) where a and b are integers. Find a+ b+ c

waffles Feb 14, 2018

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1367

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Find the surface area of the unpainted sides

A rectangular prism 3cm x 5cm x 6cm is painted mauve and is then cut into 1cm^3 cubes. What is the total unpainted surface area of these cubes?

hectictar ●●●

Guest Feb 14, 2018

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Equations

1) C = K(Rr/(R-r)) Solve for K

2) C = K(Rr/(R-r) Solve for R
read more ..

TheXSquaredFactor ●

waffles Feb 14, 2018

Feb 13, 2018

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5309

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1. The graph shows the average price of stock each year for 11 years.

1. The graph shows the average price of stock each year for 11 years.
Which statements are true?
The price of the stock increased the first 3 years.
The price of the stock never fell below its original value. read more ..

jbouyer Feb 13, 2018

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3069

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Geometry Problem

Right triangle ABC has one leg of length 6 cm, one leg of length 8 cm, and a right angle at A. A square has one side on the hypotenuse of triangle ABC and a vertex on each of the two legs of triangle ABC. What is the length of one side of the square read more ..

Guest Feb 13, 2018

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What are the relative minimum and relative maximum values over the interval [−4, 4] for the function shown in the graph?

What are the relative minimum and relative maximum values over the interval [−4, 4] for the function shown in the graph?

relative minimum = −6 , relative maximum =−15 and −9
relative minimum = read more ..

jbouyer Feb 13, 2018

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811

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Which classify the graphs of functions:

Which classify the graphs of functions:
Odd Function
Even Function
Neither Even nor Odd Function read more ..

hectictar ●●

jbouyer Feb 13, 2018

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5331

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Geometry Halp -- 2 Questions

7) The distance from Capital City to Little Village is 660 miles. From Capital City to Mytown is 310 miles, from Mytown to Yourtown is 200 miles, and from Yourtown to Little Village is read more ..

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Guest Feb 13, 2018

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Algebra Question

Let 3x^2 + 4x + c = 0/ What value of c with give us exactly one solution for x?

I am not sure how exactly to complete these kind of problems.
read more ..

Guest Feb 13, 2018

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2999

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The function f(x) is the total amount spent at a store, when purchasing x items that are $5 each and the items are not taxable.

The function f(x) is the total amount spent at a store, when purchasing x items that are $5 each and the items are not taxable.
What is the practical domain for the function f(x)?

all whole read more ..

jbouyer Feb 13, 2018

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5995

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+593

The table of values represents a polynomial function f(x).

The table of values represents a polynomial function f(x).
How much greater is the average rate of change over the interval [7, 9] than the interval [4, 6]?

read more ..

jbouyer Feb 13, 2018

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What is (f−g)(x)?

1. What is (f−g)(x)?

f(x)=x4−x2+9
g(x)=x3+3x2+12 read more ..

jbouyer Feb 13, 2018

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2096

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Help with Algebra Problem?

The quadratic equation ax^2 + 8x + x = 0 has exactly one solution. If a + c = 10, and a < c, find the ordered pair (a, c).

My original answer was (-8, -2), but it was incorrect so I must have done something wrong.
read more ..

Guest Feb 13, 2018

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Studying For Math Tests

This isn't exactly a math question but,

Everyone else studies the same amount of time as me and they all always get better grades than me. They never do their homework, I always do. Yet they always get better grades... EVERYONE. read more ..

MrPatel Feb 13, 2018

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967

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Algebra...

What effect does replacing x with x−4 have on the graph for the function f(x)?

f(x)=|x−6|+2
read more ..

qualitystreet ●

jbouyer Feb 13, 2018

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870

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help on this quadratic problem?

Give an example of a quadratic function that has zeroes at x=2 and x=4, and that takes the value 6 when x=3.
Enter your answer in the expanded form "ax^2 + bx + c", where a,b,c are replaced by appropriate numbers.

Guest Feb 13, 2018

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