1,975 Answered Questions for the topic linear algebra

Linear Algebra Algebra 1 Algebra 2 Geometry

01/12/21

Is there a value of which satisfies the statement? How you can tell without finding, or attempting to find, the value.
Is there a value of which satisfies the statement? How you can tell without finding, or attempting to find, the value.(2x+9) = - (-2-10)1- Yes, because (2x+9) is always positive2- Yes, because... more
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Linear Algebra Algebra 1 Algebra 2 Prealgebra

01/12/21

Is there a value of x which satisfies the statement? How you can tell without finding, or attempting to find, the value.
Is there a value of x which satisfies the statement? How you can tell without finding, or attempting to find, the value.(x+10)= 61- Yes, because there are numbers whose distance from -10 on the... more
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Linear Algebra Algebra 1 Algebra 2 Geometry

01/12/21

Interpret the following absolute value as a distance on the number line.

Interpret the following absolute value as a distance on the number line. Evaluate if possible.If it is not possible to evaluate, enter NA.| -8-5 | is the distance between _______ and ________.|... more
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Linear Algebra Algebra 1 Algebra 2 Prealgebra

01/12/21

Interpret the following absolute value as a distance on the number line. Evaluate if possible.
Interpret the following absolute value as a distance on the number line. Evaluate if possible.If it is not possible to evaluate, enter NA.| 6-3 | is the distance between ______ and ________.| 6-3 |... more
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Linear Algebra Algebra 1 Algebra 2 Prealgebra

01/12/21

Interpret the following absolute value as a distance on the number line.

Interpret the following absolute value as a distance on the number line. Evaluate if possible.If it is not possible to evaluate, enter NA.| -11 | is the distance between _______ and ________| -11 |... more
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Linear Algebra Algebra 1 Algebra 2 Prealgebra

01/12/21

Solve the inequality Please
The inequality -3.8 + C < 1.5 can be solved by performing a single operation on both sides. State the operation, indicating whether or not the inequality changes direction. Solve the inequality
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Linear Algebra Algebra 1 Algebra 2 Prealgebra

01/12/21

Write an inequality describing the given quantity
Write an inequality describing the given quantity.Example: An MP3 player can hold up to 120 songs. Solution: The number of songs is n where 0 < n < 120. n an integer.Minimum class size at a... more
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Linear Algebra Algebra Linear Equations

01/12/21

Two perpendicular lines have the same x-intercept. An equation of one line is y=3x+1. Determine the equation of the other line.
(1 mark for identifying correct perpendicular slope, 1 mark for substituting correctly and solving for x-intercept, 1 mark for substituting shared point correctly into equation, 1 mark for finding... more
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Linear Algebra Algebra Linear Equations

01/12/21

Determine the equation of the line that passes through the points (-3, 6) and (1, -4).
(1 mark for finding m, 1 mark for finding b, 1 mark for creating correct equation)
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Linear Algebra Algebra Linear Equations

01/12/21

Determine the equation of the line that is perpendicular to 2x−3y+6=0 and passes through the point (4, -2).
(1 mark for identifying correct perpendicular slope, 1 mark for substituting values correctly into equation, 1 mark for isolating and solving for b, 1 mark for creating correct equation)
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Linear Algebra Algebra Linear Equations

01/12/21

What is the point at the y-intercept on the line 4x−5y+11=0
(0.5 mark for substituting 0 into equation correctly, 1 mark for isolating and solving for correct unknown variable, 0.5 mark for stating point at y-intercept)
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Linear Algebra Algebra Linear Equations

01/12/21

A local fair charges a $15 entry fee and $1.75 per ride. Dustin has $35 to spend. What is the maximum number of rides Dustin can go on?
(1 mark for two correct 'let' statements, 1 mark for creating correct equation, 1 mark for substituting spending amount in for correct variable and isolating for unknown variable, 1 mark for... more
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Linear Algebra Algebra Linear Equations

01/12/21

Determine the equation of a line that has a slope of -3 and passes through the point (-2, 5).
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Linear Algebra

01/11/21

Please Help me with this question! Thanks >:)
Grace's work is x miles from her house. She drives to work every day of a 5-day workweek. Grace also goes to the gym every day after work, which increases her daily drive by 8 miles. The following... more
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Linear Algebra

01/11/21

Please Help! I need to turn In this assignment as soon as I can! Thanks
Factor each expression completely by factoring out the largest common whole number possible. Then, order the expressions from least to greatest whole number that was factored out of each... more
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Linear Algebra

01/11/21

List from least to greatest: 21x+48, x+29, 122+42x, 20x+24
Please help, I have to turn in this assignment in a couple hours or so!
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Linear Algebra

01/09/21

City Cabs charges a ​$1.75 pickup fee and ​$1.50 per mile traveled.​ Diego's fare for a​ cross-town cab ride is ​$24.25. How far did he travel in the​ cab?
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Linear Algebra Math Prealgebra Precalculus

01/08/21

Help me answer intercept of lines!

So identify the y-intercept and the x-intercept and the slope of the line.In my graph the y-intercept is touching -3 down in bottom left corner. The X-intercept is touching 1 literally on the X... more
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Linear Algebra Algebra 1 Algebra 2 Prealgebra

01/08/21

You can either use a 10% off discount coupon OR you can use a discount 25% off coupon. For what price for the pair of pants would you end up paying the same amount for either discount method?

You can go to a store to buy a pair of pants. You can either use a 10% off discount coupon OR you can use a discount 25% off coupon.  You can’t use both, however. For what price for the pair of... more
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Linear Algebra Math Algebra 1 Algebra

01/08/21

System of Equations help (Urgent)
I came across this question but I could not figure it out. Could you please help me and explain how to find the answer? Thanks! A school's students sold masks for $10 and face shields for $15... more
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Linear Algebra Math Algebra 1 Algebra

01/08/21

System of Equations (Help! Urgent!)
I came across this question but I could not figure it out. Could you please help me and explain how to find the answer? Thanks!Brenda's school is selling tickets to a spring musical. On the first... more
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Linear Algebra

01/07/21

Linear Algebra question
check that B ={ [-1/2,√3/2,0], [√3/2,1/2,0], [0,1,-1] } is a basic for ℝ3. Then, determine whether it is orthogonal, orthonormal or neither.
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01/06/21

Graphing and Writing Linear Equations
Question Number 1 The Math family paid a total of $21 to bowl 4 games and rent shoes. Each game cost $4. Write an equation to represent the total cost 𝒚 to rent shoes and bowl 𝒙 games. How much is... more
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Linear Algebra Math Algebra 1 Algebra 2

01/04/21

Factorization-Remainder problem help?

When 17 is divided by k, where k is a positive integer, less than 17, the remainder is 3. What is the remainder when the sum of the possible values of k is divided by 17?
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Linear Algebra Math Algebra 1 Algebra 2

01/04/21

Functions math help.
f(5) = 15 and g(x) = f(x+2)-5. Find g(3).
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