19,179 Answered Questions for the topic Algebra

10/14/21

Find sin2x, cos2x, and tan2x if tanx = -1/2 and x terminates in quadrant IV
Find sin2x, cos2x, and tan2x if tanx = -1/2 and x terminates in quadrant IVsin2x = cos2x = tan2x =
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Algebra Math Trigonometry

10/14/21

Let θ be an angle in quadrant 2 such that cotθ = -3/8. Find the exact values of sinθ and secθ
Let θ be an angle in quadrant 2 such that cotθ = -3/8. Find the exact values of sinθ and secθ sinθ = secθ =
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Algebra Math Trigonometry

10/14/21

A circle has a radius of 2in. Find the length s of the arc intercepted by a central angle of π/2 radians.
A circle has a radius of 2in. Find the length s of the arc intercepted by a central angle of π/2 radians.(Do not round any intermediate computations, and round your answer to the nearest tenth.)
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10/14/21

Algebraic division help
When ax2+3bx+a+2 is divided by (x+2) the remainder is 6, and when bx3 +x2+abx+3b is divided by (x+3) the remainder is 5. What are the values of a and b?
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Algebra Math

10/14/21

The glycol-water mixture used as coolant has a glycol content of22 % and a total mass of 20 kg. If the mixture is to be concentrated to 40 %, how much pure glycol must be added to the mixture?
Please solve this math anyone.
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10/13/21

Function y=g(x)=2x^3-7
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10/13/21

Pre-calculus answer an explanation needed
Use the partial solution sets to recreate the functions.x={3,−1,3i,−√3}x={−1,2,−5,5+√6/4}Need help with the two problems. Also an easiest explanation possible because it is hard for me to start... more
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10/13/21

Suppose that the distribution of weekly water usage for single-family homes in a particular city is approximately normal. The mean is 1400 gallons, and the standard deviation is 300 gallons.

a. What is the z-score for 800 gallons? b. What is the approximate value of the highest 15th percentile? c. What is the 7-score for 1665 gallons? d. What is the approximate value of the 14th... more
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Algebra Math

10/13/21

Find the midpoint of AB if A(5, -7) and B(11, 2)
Please show all the steps.
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Algebra Math Algebra 2

10/13/21

Mark just retired, and has $700,000 to invest. A very safe Certificate of Deposit (CD) account pays 2%, while a riskier bond pays...
Mark just retired, and has $700,000 to invest. A very safe Certificate of Deposit (CD) account pays 2%, while a riskier bond fund pays 8% in interest. Mark figures he needs $25,000 a year in... more
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Algebra

10/12/21

algebra word problems
There exists two consecutive even integers. Subtracting three from double the larger gives the same result as the sum of seven and five times the smaller. Find the integers.
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Algebra Math Algebra 2

10/12/21

Use synthetic division to find the zeros of the function (must show process)
Use synthetic division to find the zeros of the function (must show process)f(x)=3x^4-10x^2-25
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10/12/21

Can you help me with question 5 please
\frac{3}{7}=\frac{b-7}{4}
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10/12/21

Need an explanation and answer

How would you find all the minimum and maximum values of f(x)=x4-256? And would the maximum and minimum be relative or absolute?
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10/12/21

What is the complete solution set of the function including multiplcity?
f(x)=x4-256and please explain too!
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10/12/21

What is the complete solution set of the function including multiplcity?
f(x)=x4-256and please explain too!
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Algebra Calculus

10/12/21

Find an equation of the straight line that passes through the point (−1, 4) and is parallel to the line passing through the points (−4, 5) and (3, 1).
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Algebra Precalculus

10/11/21

pls help with algebra homework
help with this question plsGive the starting value a, the growth factor for the given exponential function.Q=3*2^t/10-1 I solved a, but what is b?Thank you
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10/11/21

Determine f(x-1) for the following function.
f(x)=√x-7 + 11
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10/11/21

Determine f(x-1) for the following function.
f(x)=√x-7 + 11
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10/11/21

Determine f(x-1) for the following function.
f(x)=√x-7 + 11
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10/10/21

The sum of two numbers is 15. If one number is x, express the other in terms of x.

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Algebra Math Physics

10/10/21

Please give me the answer in full detail please!
A jet plane accelerates along a straight runway from rest to a speed of 140m/s in 50 s. Calculate:a) its change of velocity
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10/10/21

The monthly cost of a wireless telephone plan is $39.99 for up to 450 min of calling time plus $0.45 per minute for each minute over 450 min.
The monthly cost of a wireless telephone plan is $39.99 for up to 450 min of calling time plus $0.45 per minute for each minute over 450 min. The equation that describes the cost of this plan... more
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10/09/21

Consider the surface F(x,y,z)=x5z2+sin(y4z2)−10=0.
Consider the surface F(x,y,z)=x5z2+sin(y4z2)−10=0. Find the following partial derivatives ∂z∂x= ∂z∂y=
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