05/02/23

Chemistry meets math.... not in my wheelhouse
A chemist has three different acid solutions. The first acid solution contains 25% acid, the second contains 40% and the third contains 60%. He wants to use all three solutions to obtain a mixture... more
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05/02/23

Alegbra math etc so-forth
Raina has 28 cars available to rent. Let C be the number of cars she would have left after renting R  of them.Write an equation relating C to R . Then use this equation to find the number of cars... more
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05/03/23

Fraction and math
12 students share equality 20 apples, how many apples does each student get
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05/04/23

Geometry Math 10
Here are pairs of equivalent expressions—one in standard form and the other in factored form. Find the missing numbers.x^2 (  ?) +  and( ? ) (x -9)(x – 3)x^2 +12x +32 and (x + 4)(x +?   )x^2 +12x... more
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05/04/23

Geometry Math 10
Select all expressions that are equivalent to x - 5 . -5+x
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05/06/23

I need help with Math
Translate this sentence into an equation. 17 less than Jose's height is 55 Use the variable J to represent Jose's height
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05/09/23

Math Question About Coordinates
What are the coordinates of the point on the directed line segment from (−2,−2)(−2,−2) to (9,9)(9,9) that partitions the segment into a ratio of 5 to 6?
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05/10/23

Math homework help
Find the critical numbers of the function. (Enter your answers as a comma-separated list. Use n to denote any arbitrary integer values. If an answer does not exist, enter DNE.)f(theta)= 6 cos... more
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05/10/23

Math problem help
A model for the average price of a pound of white sugar in a certain country from August 1993 to August 2003 is given by the functionS(t) = -0.00003237t^5 + 0.0009037t^4 - 0.008956t^3+ 0.03629t^2-... more
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05/10/23

9th Grade Math. Functions revie
The value of an antique car is modeled by the functionV(x) = 107,000(1.009)(3x)where x is the number of years since 2005. What is the value of the car in 2011?
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05/11/23

Reveal Math course 2 volume 2 5.2
The table shows the length and width of a rectangle. Dimension Measurement(units)Length 3x+6 Width 2x−4 Write a simplified expression for the perimeter of the rectangle. __ units
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05/14/23

What is the best way to prepare for the SAT Math?
What is the best way to prepare for the Math portion of the SAT?
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05/14/23

What is the best way to prepare for the ACT Math?
What is the best way to prepare for the Math portion of the ACT?
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05/14/23

Can someone help me with this math calculation problem please
Sean's exam grades:Exam 1- 74.29%Exam 2- 71.43%Exam 3- 65.71%Exam 4- 65.71%** Exams are worth 75% of Sean's grade, weighing the lowest score 50% relative to the other threeSean's Discussion grade... more
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05/14/23

Can someone help me with this math calculation problem please
Sean's exam grades:Exam 1- 74.29%Exam 2- 71.43%Exam 3- 65.71%Exam 4- 65.71%** Exams are worth 75% of Sean's grade, weighing the lowest score 50% relative to the other threeSean's Discussion grade... more
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05/15/23

Jonathan bought notebooks and pencils. Together there were 17 items.The notebooks cost $3.49 each and pen cost .80c each. How many notebooks and how many pencils did Jonathan buy if he spent $27.05?
I really need help with this question on my math work. Anyone out there, please help me get the answer to this question( also pen is short for pencil here and 80c means 80 cents, c is not a... more
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05/16/23

Word, problems for math
Sound travels about 750 mph. If you stand in a canyon and sound a horn, you will hear an echo. Suppose it takes about 0.5 seconds to hear the echo. How far away is the canyon wall, in feet?
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05/17/23

How to do a math problem
What’ are the steps to solving this problem and finding the value of B?3 27— = —4 B
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05/17/23

math question percentages of orange juice
How much of​ a(n) 70% orange juice drink must be mixed with 18 gallons of a 10% orange juice drink to obtain a mixture that is 50% orange​ juice?
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05/18/23

Math help needed
Given that F = x3zi - 2yz2j + x y3z4k. Find the following at (1,1,3):i)div F.ii)curl F.iii)∇ · (∇ x F).
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05/18/23

Math question of solution mix
I have a sink that holds 10 gallons , 2 Liters of water. I need to add a solution at a rate of 2.5 oz for every four gallons of water. How many oz of solution do I need for the amount of water... more
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05/19/23

Math need help..Please Help solve this question. thank you
Given a scalar field Ø(x,y,z)=xy2z.Find the following at (2,-1,3):i)grad Ø.ii)div (grab Ø).
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05/19/23

math probability help me please
A manufacturer knows that their items have a normally distributed lifespan, with a mean of 8.2 years, and standard deviation of 1.5 years.If you randomly purchase one item, what is the probability... more
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05/19/23

Statistics: discrete probability and binomial distribution

70% of all students at a college still need to take another math class. If 45 students are randomly selected, find the probability that :a) At least 33 of them need to take another math classb)... more
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05/19/23

Can my child learn math skills and reading skills from the same tutor?
Some students need help in more than one area, such as math and reading. Rather than working with two separate tutors, it can be much more convenient for a student to learn both subjects from the... more
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