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 •32

07/30/25

How do you solve an equation like 2(x – 3) = x + 4?
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Expert Answers •16

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 •10

07/21/25

Best way to start an Essay
My son needs to write an essay; how should he start? I'm not sure how to help him with this?
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Expert Answers •5

07/06/25

What’s the Difference Between Their, They’re, and There?
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Expert Answers •4

07/06/25

Quran with tajweed
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Expert Answers •1

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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Expert Answers •10

06/28/25

What’s the best strategy to improve in SAT Math quickly?
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Expert Answers •6

06/25/25

What are like terms, and how are they combined?
In expressions like 3x + 2 + 5x - 4, how do students identify and combine like terms? What makes terms “like”?
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Expert Answers •8

05/24/25

How do you change a given rate into a unit rate.
6 donuts cost a total of $3. What is the rate? Compute the unit rate.
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Expert Answers •8

05/16/25

Trigonometry : Solve the following problem
Solve 2sinx= -1/2 for x ∈ [0,4π]
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Expert Answers •5

05/16/25

SAT: Two correct answers to a question in the R&W section. Which is right?
SAT: On the R&W portion of the SAT, what is the correct answer when there are TWO correct answers?
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Expert Answers •6

04/06/25

Find ALL solutions of the interval [0, 2pi)
Find ALL solutions of the interval [0, 2π)cos 2x = √3/2If there are some potential answers that won't fit, please say the reason. Thank you
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Expert Answers •3

03/11/25

Find the amplitude, period, or phase shift of the given function
Find the amplitude of y = -4 cos (x + π/4)Find the period of y = 4 cos [5x + 5π/2]Find the period of y = 5 sin [1/2 (x - π/2)]Find the phase shift of y = -5 cos [6 (x + π/6)]
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Expert Answers •4

06/20/24

The result was an explosion of mural painting that spread throughout California and the southwestern United States in the 1970s. It was the Chicano mural movement
How can we best combine these two sentences?
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Expert Answers •3

06/05/24

What are some strategies I can use to make my writing more persuasive?
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Expert Answers •5

08/05/23

Which sentence is grammatically correct?
If we didn’t enjoy your company so much, we wouldn’t have stayed here for so long. If we hadn’t enjoyed your company so much, we would’ve have stayed here for so long.
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Expert Answers •2

05/29/23

Linear programming

Consider an LP in standard form with feasible region S, and constraints Ax = b and x ≥ 0component-wise. Recall that a nonzero vector d is a direction of unboundedness if ∀s ∈ S, c ≥ 0,x + cd ∈ S.... more
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Expert Answers •1

02/21/23

Let A, B be two positive definite matrices. Prove that if AB = BA, then AB is a positive definite matrix.
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Expert Answers •1

02/03/23

Provide a compound complex sentence using a gerund phrase and a noun clause that functions as an object of the preposition 'from'.

Provide a compound complex sentence using a gerund phrase and a noun clause that functions as an object of the preposition 'from'.
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Expert Answers •2

11/07/22

Tough Question on hw
A chemist has three different acid solutions. The first acid solution contains 20%20% acid, the second contains 30%30% and the third contains 75%75%. They want to use all three solutions to obtain... more
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Expert Answers •1

10/04/22

Partial Differential Equations
Take utt = 9 uxx, with u(0, x) = ut (0, x) = 0, and u(t, 0) = sin(t), u(t, infinity) = 0 Considering the Laplace Transform of the above PDE.Find u(t,x)
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Expert Answers •1

09/26/22

Calculus 2 Counting Pie
Consider the equation x1+x2+x3+x4=16. How many solutions are there with 2≤xi≤6 for all i∈{1,2,3,4}
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Expert Answers •1

06/05/22

Find all real numbers x which satisfy the equation. 10x6−10x2=0
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Expert Answers •3

12/07/21

Given the tableau
Given the tableau   2 5 3 1 0 0 0     9     3 2 4 0 1 0 0     32     2 4 3 0 0 1 0     24     -6 -4 -8 0 0 0 1     0   This Tableau has no solutions This Tableau has no more pivots and... more
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