59,249 Answered Questions for the topic Math

02/23/24

The activation energy Ea for a particular reaction is 42.2 kJ/mol. How much faster is the reaction at 343 K than at 321 K? (R = 8.314 J/mol • K)
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02/23/24

The activation energy for a particular reaction is 102 kJ/mol. If the rate constant is 1.35 × 10⁻⁴ s⁻¹ at 302 K, what is the rate constant at 273 K?
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Math

02/23/24

Question content area top Part 1 Lily likes to collect records. Last year she had 10 records in her collection. Now she has 12 records. What is the percent increase of
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Math Algebra 1

02/23/24

If f(x) = 3x + 3, find f(-1).
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Math

02/22/24

Rewrite tan^4x in terms of cosine of multiple angles with no power greater than 1
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02/22/24

How to do a two-way ANOVA, followed by Tukey's HSD test for a biology experiment?

So I'm trying to see the effect of 2 different types of essential oils (rosemary and ginger) on E. coli. What I did was that I increased the concentrations of the oils and I used the disk diffusion... more
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Math Algebra 2

02/22/24

What is the rational equation?
Vertical Asymptotes x=-3 x=4Horizontal Asymptote y=-3passes through 5, -3.25
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Math Calculus

02/22/24

A cylinder is inscribed in a right circular cone of height h and radius (at the base) equal to r. What are the dimensions of such a cylinder which has maximum volume?
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Math

02/21/24

How long (in years) will it take to triple your money if it is invested in a certificate of deposit (CD) that pays 3% annual interest compounded daily? Round to the nearest tenth of a year.

How long (in years) will it take to triple your money if it is invested in a certificate of deposit (CD) that pays 3% annual interest compounded daily? Round to the nearest tenth of a year. (Use... more
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Math

02/21/24

how many gallons of oil remain in the tank after 4 hrs?
Crude oil is leaking from a tank at the rate of 10% of the tank volume every 3 hrs. If the tanker originally contained 600,000 gallons of oil, how many gallons of oil remain in the tank... more
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02/21/24

i'm stuck trying to figure out how to do the statistical test for my biology experiment
So I'm trying to see the effect of 2 different types of essential oils (rosemary and ginger) on e.coli. What I did was that I increased the concentrations of the oils and I used the disk diffusion... more
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Math

02/21/24

A robot can complete 4 tasks in five sixths hour. Each task takes the same amount of time. a. How long does it take the robot to complete one​ task?
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Math

02/20/24

what is the answer

x=2y-42x+y=2
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Math Physics

02/20/24

dP/dt questions.

I know dP/dt is the instantaneous change in momentum.How do you calculate it? Why do you need it?
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Math Calculus

02/20/24

find projection
Forces of 5 pounds and 19 pounds act on each other with an angle of 48°.The magnitude of the resultant force ≈ ____ pounds.The resultant force has an angle of ≈ ____° with the 5 pound force.The... more
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Math

02/20/24

Graph this solution -2x+4y=5
I just need help getting the points to plot
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Math

02/19/24

5 + x = 2x _____ Four times the difference between a number and five
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02/19/24

Need help with discrete Advance counting math question

After another gym class you are tasked with putting the 13 identical dodgeballs away into 3 bins. Each bin can hold at most 5 balls. How many ways can you clean up?
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Math

02/19/24

math help for me
A new car worth $36,000 is depreciating in value by $2,000 per year.(a) The linear equation that models the car's value, y, in dollars, after x years isAnswer: y = blank1 - Word AnswerWrite your... more
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02/18/24

business statistics

P(A)=0.47, P(B)=0.43, and P(A and B)=0.10P(B | A) =
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02/18/24

probability and business statistics
grades and genderA B C TOTALMALE 6 20 14 40FEMALE 8 10 9 27TOTAL 14 30 23 67d. If one student is chosen at random, find the probability that the student got a “B” GIVEN they are male
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Math

02/17/24

Word problem Help
A lab has 200 L of solution that is 40% acid. The technician needs a solution with 25% acid. How many liters of water must be added to make a solution that is 25% acid?
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Math

02/17/24

An expression for the area of this rectangle is 12h² + 15h - find an expression for the length of the rectangle
(thank you!)
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02/17/24

Linear Algebra/Matrices to solve Linear System
Consider the linear system with 4 unknown variables x1, x2, x3, x4 and 4 equations.x1 + x2 - bx3 + (b-a)x4 = b-2x1 + ax2 - bx3 = 12x1 + 2x2 + ax4 = 0x1 + x2 - bx3 = 0for some real numbers a, b =... more
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Math

02/16/24

what is the smallest prime number that can be made from the sum of three different prime numbers?
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