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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Expert Answers •80

08/03/25

How can I explain slope-intercept form to a student who keeps mixing up m and b?
My Algebra 1 student confuses the slope (m) and y-intercept (b) in y = mx + b. Even though they can graph and solve, they don’t remember what m and b represent. What visuals or real-world examples... more
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Expert Answers •26

08/03/25

What are the best strategies to help a student who keeps making small mistakes in Algebra 1?
I’m tutoring a student who understands Algebra 1 concepts but often makes small errors—sign mistakes, distributing errors, or incorrect arithmetic—that lower their grade. They rush through problems... more
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Expert Answers •14

08/01/25

What exactly is x?
This is a great question! What exactly is x?This is one of, if not the most, common questions students have when first learning about algebra. That’s because algebra is the study of quantities and... more
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Expert Answers •12

07/30/25

What is the difference between solving a quadratic by factoring and using the quadratic formula?
Factoring is efficient when the quadratic is "nice," however, using the Quadratic formula works every time (unless there isn't a solution...)
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Expert Answers •10

07/30/25

How do you solve an equation like 2(x – 3) = x + 4?
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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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07/23/25

Solve for x: 7x-4=20x+2
In this problem, you are given 7x-4=20x+2. How do you solve for x?
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Expert Answers •14

07/22/25

I'm terrible at Algebra. When would I actually need to know this in real life?
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Expert Answers •13

07/21/25

Solve for the equations
I have no idea what to do here. If g(x) = 5x2+7 and f(x)= x2+1, then what is g(f(x)) and f(g(x))? What is the value of both equations if x =2?
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Expert Answers •11

07/19/25

Why is Algebra II so much harder than Algebra I?
My child passed Algebra I without too much trouble, but is now struggling in Algebra II. They say it feels like a completely different subject. Why is it so much more difficult?
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07/15/25

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

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05/21/25

How to solve an equation
Solve 2x + 1 = 9show all steps
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05/06/25

About the answer
3(x+1)=5(x−2)+7
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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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Expert Answers •3

04/04/25

Inverse operation
Rewrite the following expression using inverse operation.100 - 34 = 66
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Expert Answers •4

03/01/25

help with the formula making.
In cell B14, create a formula without using a function that adds 1 to the value in cell B12 and then multiplies the result by the value in cell B13. In this formula, use a mixed reference for cell... more
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01/19/25

What is the slope intercept and y-intercept in this equation, y=2/3x + 6 ?
I need to find the slope and y-intercept in the following equation. Can you please help me?Thank you,y=2/3x + 6?
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Expert Answers •11

06/17/24

How do you create a hyperlink in HTML?
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02/07/24

Factor completely over the real numbers 6x5-4x3-16x
Factor completely over the real numbers (the solution is 2x(3x2+4)(x+√2)(x−√2). Please show a step-by step process for solving this problem.1). 6x5-4x3-16x
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04/03/23

A square with sides of length a and a center at the origin has two sides parallel to the​ x-axis. Find the polar coordinates of the vertices. Choose the correct answer below. Select all that apply.
A square with sides of length a and a center at the origin has two sides parallel to the​ x-axis. Find the polar coordinates of the vertices. Choose the correct answer below. Select all that apply.
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Expert Answers •2

03/03/23

This is copied exactly from the teacher. I know it's probably not realistic, it's just a problem. I need this answer ASAP please
A soup with an internal temperature of 350F was taken off the stove to cool in a 71F room. After 15 minutes, the internal temperature of the soup was 175F. a) Use Newton's Law of cooling to write a... more
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02/23/23

f(0)=4 , f′(0)=9 , f(1)=4 , f′(1)=5 , g(1)=3 , g′(1)=−3 H(x)=f(ln(x))+ln(g(x)) find the derivative at x=1 H'(1)=???
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02/23/23

Determine whether the set of all pairs of real numbers of the form (x, y), where x ≥ 0, with the standard operations on R2 is a vector space or not.
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Expert Answers •2

11/17/22

Math Conversion
The drainage basin of the Delaware River encompasses about 35,500 km^2 (= 35 x 109 m^2). The average annual precipitation for the drainage area is about 44 inches/year (= ~1.1 m/yr) and the... more
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