19,144 Answered Questions for the topic Algebra

07/17/21

Write an equation that expresses the statement. (Use k as the constant of proportionality.) z is proportional to the square root of x.
"Write an equation that expresses the statement. (Use k as the constant of proportionality.)z is proportional to the square root of x."
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07/17/21

Need help asap thank you.
A. Is the function f(x) = x2 even, odd, or neither? Explain B. Is the function g(x) = x3 even, odd, or neither? Explain C. Is the function  even, odd, or neither? Explain D. Is the... more
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07/16/21

solve for x Exponential & Log Functions
Solve for x, 3 4√𝑥 -4 × 32√𝑥 = − 3
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Algebra

07/16/21

line a is perpendicular to line b
line a is perpendicular to line b. Line a passes through the points ((4,6) and (0,9). Line b passes through the point (3,-2). Find the equation of line b in slope intercept form.
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Algebra

07/16/21

graph the solution to the inequality
Graph the solution to the inequality..3x-4>y
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Algebra

07/16/21

point slope equation

find the point slope equation for the line passing through (3,-4) (-1,2)
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Algebra

07/16/21

slope intercept form

find the slope intercept eqation for (0,3) (4,0)
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07/16/21

Exponential & Log Functions
Evaluate, using the properties of log. log2 2 + log2 4 + log28 +⋯+ log2262144. 
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Algebra

07/16/21

I need the answer to this question

whats the sum of a number and five
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Algebra Math Algebra 1 Logic

07/16/21

Let E be a non-empty set. Let's consider the inclusion relation over P(E): (∀x, y ∈ P(E))(X ≤ Y ⇔ X ⊂ Y )
Let E be a non-empty set. Let's consider the inclusion relation over P(E): (∀x, y ∈ P(E))(X ≤ Y ⇔ X ⊂ Y )(a) Show that it is an order relation. (b) Show that it is total if, and only if, E = {a}I... more
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Algebra Linear Algebra

07/16/21

Find the lengths of the sides of the triangle with the vertices 𝐴(2,−1,4), 𝐵(−2,2,9), and 𝐶(6,4,7)
|AB|= ?|AC|= ?|BC|=? is triangle ABC an isosceles triangle?
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Algebra Linear Algebra

07/16/21

find a vector a that has the same direction as <-8,9,8> but has a length of 3
find a vector a that has the same direction as <-8,9,8> but has a length of 3
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07/16/21

Exponential & Log Functions
clearly explain, using correct mathematical terminology and graph transformations, the difference(s) between the graph of y = log5𝑥 and y = log5 (125𝑥2). 
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07/16/21

Stuck on a problem. Help needed. Thank you!
A. Find the error in the simplified radical process shown below. Explain the error.B. Simplify the expression from question 1. C. Solve the equation x4 + 81 = 3831. Find the answer in simplified... more
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07/16/21

Exponential & Log Functions
 State the restriction(s) on the variable x in log(2x-5) – log (4 - x) 
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07/16/21

Exponential & Log Functions
If⁡ log2𝑛 (1944)= log𝑛 (486√2), find the values of 𝒏𝟑
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Algebra

07/15/21

If y^2=x is not a function, how do we find domain and range of that function? But I also saw from a book which found the domain of y = (x)^1/2
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Algebra Math Geometry

07/15/21

Mixture word problem
A chemical company makes two brands of antifreeze. The first brand is 70% pure antifreeze, and the second brand is 90% pure antifreeze. In order to obtain 120 gallons of a mixture that contains 75%... more
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07/15/21

Show that,(cos4x-cos2x)/2sin3x=-sinx for all x such that sin(3x) is not equal to zero
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07/15/21

Need help. Thank you!
1. Find the error in the simplified radical process shown below. Explain the error.2. Simplify the expression from question 1 correctly. 3. Solve the equation x4 + 81 = 3831. Find the exact answer... more
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Algebra

07/15/21

a train traveled 421 miles in 5.5 hours. what was the trains speed in mile per hours
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Algebra

07/15/21

Rational function
Time to go shopping! You are considering two refrigerators. They are both Side by Side and 25 cu-ft. Both come with an Energy Guide estimate for the annual cost of electricity.If you plan on... more
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Algebra

07/15/21

Polynomial Question

For a certain company, the cost for producing x items is 60x+300 and the revenue for selling x items is 100x−0.5x2. The profit that the company makes is how much it takes in (revenue) minus how... more
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Algebra Linear Algebra

07/14/21

find a vector a that has the same direction as <-8,9,8> but has a length of 3
find a vector a that has the same direction as <-8,9,8> but has a length of 3
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Expert Answers •1
Algebra Linear Algebra

07/14/21

suppose B=(-3,-6,-2) and AB->= <4,-11,4> then A=?
suppose B=(-3,-6,-2) and AB->= <4,-11,4> then A=?
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