08/05/25

Solving system of two linear equations
Which method would you choose to solve the following system of equations? Solve it.y=2x+1 (1)3x+y=7 ​ (2)
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07/27/25

Solve the system of 3 equations by elimination. State as an ordered triple

Solve the system by eliminationx+y+2z=23x+4y-z=254x-y+3z=-7
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07/21/25

Algebraic Equation
Solve by completing the square 5𝑥2 − 4𝑥 + 2 = 0
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07/20/25

Algebra2 extraneous solution

2X-1= square root of 8-XThank you.
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07/17/25

Algebraic Fractions
Simplify the following expression:
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07/15/25

How do you solve question like 2 (X-3) + 4 = 10?

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07/08/25

Algebraic Function
Which of the following statements is (are) true when 𝒇(𝒙) = 𝒙𝟐−𝟐𝒙−𝟑/𝒙𝟑+𝟑𝒙𝟐−𝟔𝒙−𝟖?I. The graph 𝑓(𝑥) has two vertical asymptotes at 𝑥 = 2 and 𝑥 = −4.II. The 𝑥- and 𝑦-intercepts of the graph of 𝑓(𝑥)... more
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06/30/25

SAT Math Question

A store is selling apples at a price of $0.60 per apple. If John has $12 and wants to buy as many apples as possible, how many apples can he buy, and how much money will he have left?A. 19 apples,... more
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06/23/25

Applications Variation
The gravitational Force F between an object and the Earth is inversely proportional to the square of the distance from the object to the Center of the Earth if an astronaut weighs 215 lb on the... more
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06/21/25

Applied Math- Cosine law Applied math- Cosine law
Alex, Curtis and Michael go boating together on a calm day. They leave the marina dock and travel at a speed of 40 km/h due east for 3 hours. Then, they travel 22° west of south for 2 hours at a... more
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06/18/25

Operations on Functions
If f(x) = x2-1, then what is f(a+b)? What is f(a)-f(b)? Are f(a*b) and f(a)*f(b) the same? What is f(f(a))?
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Expert Answers •4

05/28/25

ACT Math - Geometry and Optimization
A rectangular playground is being built next to a school building, which will form one of the longer sides of the playground. If the school has 80 meters of fencing available to enclose the... more
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05/16/25

Trigonometry : Solve the following problem
Solve 2sinx= -1/2 for x ∈ [0,4π]
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05/16/25

I think this is algebra...?
Alyssa is 12 years younger than Michelle. Michelle is 7 years older than twice Amanda's age The sum of all three ages is 47. How old is Michelle?Please help me
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05/07/25

A rectangular garden has length of x+2 and width of 2x-3, and the area of the garden is 72 square feet. What are the dimensions of the garden?

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04/16/25

need to figure this out
Calculate the derivative ddx∫e8xx4ln(t)dtddx∫x4e8xlntdt using Part 2 of the Fundamental Theorem of Calculus. Enclose arguments of functions in parentheses. For example, sin(2x)sin2x. ddx∫e8xx4ln(t)dt= more
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04/08/25

An element with mass 730 grams decays by 27.6% per minute. How much of the element is remaining after 12 minutes, to the nearest 10th of a gram?
Exponential Functions - Basic
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04/06/25

Find ALL solutions of the interval [0, 2π)

Find ALL solutions of the interval [0, 2π)cos x/2 = - √3/2If there are solutions that will not fit, please explain.Thank you!
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04/06/25

Find ALL solutions of the interval [0, 2π) tan 2x = √3/3
Find ALL solutions of the interval [0, 2π)tan 2x = √3/3If there are some potential solutions that won't fit, please say the reason.Thank you
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04/06/25

Use trigonometric identities to solve each equation in the interval [0, 2π). cos 2 x - sin 2 x = 1
Use trigonometric identities to solve each equation in the interval [0, 2π).cos 2 x - sin 2 x = 1
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04/06/25

6 sin2 Θ - 11 sin Θ = -4
Find all solutions of each equation in the interval [0,2π).6 sin2 Θ - 11 sin Θ = -4Please say why some solutions will work and some will not.Thank you!
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04/05/25

Find ALL solutions...sin (x + pi/4) = 1/2
Find ALL solutions in the interval [0,2π).Please advise.Thank you! sin (x + π/4) = 1/2 √3 tan ( x - π/6) - 1 = 0
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04/05/25

Tan (theta - 30 degrees) = -5 ...say what?!
Find all solutions of each equation in the interval [0º, 360º). Round to the nearest tenth of a degree.tan (Θ - 30º) = -5Please show all steps and how this relates to the unit circle.
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03/31/25

Seeking Help with Algebra Word Problems
Hi everyone! I’m currently struggling with algebra word problems and would appreciate some guidance. Here’s an example of the type of problem I’m facing:A train travels 60 miles per hour. How long... more
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03/28/25

Limit Comparison Test
Use the Limit Comparison Test to determine if each series converges or diverges. Do not use the root test.∑(Infinity)(n=1) ((2n+3)/(5n+4))^n
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