365 Answered Questions for the topic Algebra II

08/10/20

Trigonometry - Evaluating cube root
Hi peeps, how ya'll doing?I'm having a hard time to understand the following questions, would someone please explain them to me?Thank you so much in advance! Evaluate the cube root of z =... more
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07/31/20

Frequency table
The table shows the number of correct answers that students gave on a recent 5 question quiz if the mean number of correct answers is 4 determine the value of KNumber correct: 1 2 3 4 5 Frequency: ... more
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07/31/20

Frequency table

Calculate the mean number of orange M&Ms in a small bagorange m&ms: 3,4,5,6,7,8Frequency: 12,19,23,71,38,37A. 5.8B. 6.1C. 5.9D. 6.3
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07/30/20

Trigonometry graphing question
Hello! I'm having some trouble graphing the following and would like someone to help me with it, please.Graph  on [-4π, 4π] and verbalize how the graph varies from the graphs of . Graph  on the... more
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07/21/20

Graph exponential function
Hi peeps, can somebody please help me with this exercise? I'm having a hard time with it and am going nowhere.Thank you in advance!!Graph the function  and its reflection about the line y=x on the... more
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07/12/20

Inverse Functions in Algebra
Hey, would anyone help me with this inverse function exercise? I have no idea what to do. Suppose  is a function from the set of real numbers to the same set with . We write  to represent  and . Is... more
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07/05/20

solve the equation analytically
solve the equation analytically5x = −2
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Algebra Ii

06/20/20

Among all rectangles that have a perimeter

Among all rectangles that have a perimeter of 172, find the dimensions of the one whose area is largest. Write your answers as fractions reduced to lowest terms.
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Algebra Ii Algebra 2

06/18/20

interest equations (X,y,z)
Maricopa's Success scholarship fund receives a gift of $ 155,000. The money is invested in stocks, bonds, and CDs. CDs pay 3.5% interest, bonds pay 5% interest, and stocks pay 11.8% interest.... more
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06/15/20

Use the Newton-Raphson method to find the approximate solution

Function f(x) =e-x^2-x . Start from x0 = 0.5 and correct your answer to 4 decimal places.
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Algebra Ii Math Algebra 1 Algebra 2

05/29/20

Complex Numbers
Write down the 5th roots of unity.Show that (i) w^4 + w^3 + w^2 + w + 1 = 0 , where w=e^((2*pi*i)/5)(ii) a = w + w^4 and b = w^2 + w^3 are the roots of t^2 + t - 1 =0.Hence, find the value of... more
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05/26/20

Algebra - Groups & Rings
For n > 1, let Zn = {[ 0 ], [ 1 ], [ 2 ],....., [ n - 1 ]}, the congruence classes of the integers modulo n: Show that Zn is a ring with respect to the operations defined by [ a ] + [ b ] = [ a... more
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Algebra Ii Algebra 2 Algebra

05/12/20

Binomial Formula !!
Use the binomial formula to find the coefficient of the q2s13 term in the expansion of (3q-s)15
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Algebra Ii Algebra 1 Algebra 2

05/12/20

Geometric Sequence
For a given geometric sequence, the 8th term, a8, is equal to 29/25, and the 11th term, a11, is equal to -145. Find the value of the 13th term, a13. If applicable, please write the answer as a... more
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05/11/20

Finding Unit Vectors in Same Position

For each different vector, find a unit vector in the same direction. ​a.​u1 = [ −5, 3]​b.​u2 = ​with point M = (2, −8) and point N = (−5, 4).​c.​u3 is the vector with magnitude 6 and direction... more
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05/11/20

Sketching Vectors in Standard Position

Sketch the following vectors in standard position and find the angles between them.​w1 = [ 2, 3 ]​w2 = [ −4, 1 ]​​w3 = [ 1, −3 ] . ​Add all three angles and explain why the sum makes sense.
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Algebra Ii Math Algebra 2 Algebra

04/28/20

What is the area of an equilateral triangle XYZ if side XZ has a length of √3 ?
What is the area of an equilateral triangle XYZ if side XZ has a length of √3 ?(A) (3√3)/4(B) 3(C) 3/2(D) 3√3(E) None of the aboveI got; (A) (3√3)/4. Would this be the correct answer?
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Algebra Ii Math Algebra 2 Algebra

04/28/20

Algebra Problem! Is my answer correct? Please let me know!
Which of the following is not a sufficient condition for congruence?(A) SSS(B) SAS(C) SSAS(D) AAA(E) none of theseFor this question, I got (D) AAA. Is this correct?
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Algebra Ii Math Algebra 2 Algebra

04/28/20

Algebra 2 Problem! Can someone please make sure it’s correct?!
What is the area of a circle with a circumference of 4π2 ?(A) 4π2(B) 16π4(C) 4π3(D) 4π3/2(E) None of the aboveI got (E) None of the above. Would this be the correct answer?
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Algebra Ii Algebra 2 Algebra

04/27/20

How fast was Jill traveling?
Jack headed north from town at eleven o’clock A.M. at 20 miles per hour. Jill left town 2 hours later traveling south. If they were 500 miles apart at 6 PM, how fast was Jill traveling?(A) 100... more
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Algebra Ii Algebra 2 Algebra

04/27/20

Find the standard deviation:
Find the standard deviation of these numbers: 5, 3, 20, 8, 10, 8(A) 15(B) 5.42(C) 5.51(D) 2(E) None of the aboveFor this I got; (B) 5.42. Is this correct?
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Algebra Ii Algebra 2 Algebra

04/27/20

1000 ml of a saline solution contained 52% salt. How much water should be added to make the solution 51% water?
(A) 61.2 ml(B) 40 ml(C) 19.6 ml(D) 10 ml(E) None of the aboveI got (C) 19.6 ml. Is this correct?
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Algebra Ii Algebra 2 Algebra

04/27/20

Algebra Problem!

Helen deposited $1200 at 5% interest compounded continuously. After 6 years, how much did she have?(A) $1619.83(B) $1560(C) $2410.26(D) $1608.11(E) None of theseFor this I got; (D) $1608.11. Is... more
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Algebra Ii Algebra 2 Algebra

04/27/20

Find the perimeter of ABCD:
Find the perimeter of parallelogram ABCD if CD = 5+5y, BC = 4, AB = 3y + 11.(A) 14(B) 48(C) 16(D) insufficient information(E) None of theseFor this I got; (B) 48. Would this be the correct answer?
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04/27/20

What number is 2/5 of the distance from 4+1/7 to 10?
(A) 82/35(B) 8+1/7(C) 7+2/5(D) 5+11/35(E) None of theseFor this I got; (A) 82/35. Is this correct?
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