03/19/20

Distance of a semicircle
Find the distance around each semicircle. Use 22/7 as an approoximation for pi. The radius is 42cm.
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03/18/20

Write your answer as a fraction
James can paint the office​ by himself in 5 hours. Dave can do the same job in 8 hours. How long will it take them to do it working together?
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03/18/20

Consider this scenario: The number of people afflicted with the common cold in the winter months steadily decreased by 205 each year from 2005 until 2010, 12025 people are afflicted.
Question 1: Find the linear function that models the number of people inflicted with the common cold, C, as a function of the year, t.Question 2: Find a reasonable domain and range for the function... more
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03/18/20

College Algebra quadratic modeling

A rocket is fired upward from some initial distance above the ground. Its height (in feet), h, above the ground t seconds after it is fired is given by h(t)=−16t2+64t+512.What is the rocket's... more
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03/18/20

college Algebra constructing a polynomial (see description below)
Not understanding how they are getting their answer -4x3 +32x2 -84x+80constructing a polynomial Third-degree, with zeros of 2-i,2+i, and 4, and a leading coefficient of -4.
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03/17/20

College Algebra
Write the following sentence as an equation: y varies directly as x.
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03/17/20

Algebra homework

If x-4, x+2, and 3x+6 form a geometric sequence, find x.
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03/17/20

Algebra homework

Find the seventh term of a geometric sequence for which a3 = 96 and r = 2.
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03/17/20

Algebra homework

Write an equation for the nth term of the geometric sequence 5,10,20,40
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03/17/20

Word problems with volume.
What is the volume of the empty space left when three tennis balls with a diameter of 3 in are packed into a cylindrical container that is 9 in tall with the same diameter as the tennis balls? As... more
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03/17/20

231 students went on a Math club field trip.Some rode in vans which hold 7 students some rode in buses which hold 25 students.How many of each vehicles did they use if there were 15 total

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03/17/20

Corey combines x pounds of herbal tea at $12 per pound with 8 pounds of regular tea at $9 per pound. He makes a mixture that averages $10.50 per pound. Write an equation to model the situation.
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03/14/20

The formula a=vf-vi/t is used to calculate acceleration.

the change in velocity over the period of time . Solve the formula for the final velocity, vf, in terms of intial velocity, vi, accerlaration . Solve the formula for the final velocity, vf, in... more
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03/13/20

a flag has an area of 840 square inches and a perimeter of 118 inches. what are the dimensions of the flag
a flag has an area of 840 square inches and a perimeter of 118 inches. what are the dimensions of the flag
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03/13/20

The parabola y=x/2 is shifted down by 3 units and to the left by 2 units. What is the equation of the new parabola?
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03/13/20

Find the average of the list of numbers
-11,- 3,11,-5,-5,-11,3The average is
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03/12/20

Indirect Measurement

A 12-foot tall tree casts a 6 foot shadow. A flagpole 9 feet tall also casts a shadow. How long is the shadow cast by the flagpole?
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03/12/20

Find the percentage

Taminika recieved a raise in hourly pay. From $18.50 to $21.09. Find the percentage change.
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02/28/20

Grammar error questions
Find the error, correct it, and explain why it is an error.1. Will he goes to the lake with us on Saturday?I know the error is “goes" and the sentence should be Will he go to the lake with us on... more
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02/03/20

Pre-Algebra solving for perimeter

The perimeter of a basketball court is 102 meters and the length is 6 meters longer than twice the width. What are the length and​ width?
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01/03/20

Can you retake the ASVAB?
Short answer is ‘yes’. Yes, as long as you are not in the military now. In most cases, once in the military your ASVAB score does not change. So, if you are not currently in the military you can... more
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11/29/19

How do I Improve timing on the ACT or SAT ?

Is there a more efficient way to take one of these college prep exams?
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11/04/19

Need help finding the answer to this equation.
I can't figure out this equation out. There are four choices but I don't know which is the right one. Please help.f is a quadratic function whose graph is a parabola opening upward and has a... more
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11/03/19

Writing an equation from graph
The shape of f(x) = x2, but shifted four units to the right and nine units down
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06/20/19

F(x) questions about algebra 2
If F(x) = x-5x-14, find all the values of K so that F(k-3)=0
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