7,188 Answered Questions for the topic Math Help

06/06/22

How to find the common ratio, the common difference and the first four terms of a geometric sequence and a arithmetic sequences, if
The first term of the geometric sequence is 4, while 2 is the first term ofan arithmetic sequence.And, if the common ratio of the geometric sequence equals the common difference of the arithmetic... more
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04/25/22

how many moles of iron oxide is required to produce 10 moles of carbon dioxide in the reaction 2Fe2 + c= Fe + 3CO2
how many moles of iron oxide is required to produce 10 moles of carbon dioxide in the reaction 2Fe2O3 + c= Fe + 3CO2
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Math Help Math Finite Math

04/10/22

Rolling Dices and Chances
Suppose two dice (one red, one green) are rolled. Consider the following events. A: the red die shows 4; B: the numbers add to 2; C: at least one of the numbers is 5; and D: the numbers do not add... more
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Math Help Math Finite Math

04/10/22

Finite Math Help
Consider the following. (Assume that the coins are distinguishable and that what is observed are the faces or numbers that face up.)Three coins are tossed; the result is at most one tail.Which of... more
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Math Help

04/06/22

Ian traveled 2 miles in 20 minutes on his bike. He went the same speed for another hour. How far did he travel during his 1 hour and 20 minute bike ride? 

Can you please put steps because my brain has a hard time understanding when I look at problems and I sometimes miss calculate, skip, or are confused by what steps are for. Sorry!
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Math Help Math Doggos

04/04/22

MATH HELP!! - Statistics

Test the claim that the proportion of people who own dogs is less than 31%. A random sample of 1000 people found that 28.8% owned dogs. Do the sample data provide convincing evidence to support the... more
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Math Help Math Statistics

03/09/22

Help Solving: A Single Population Mean using the Normal Distribution
You want to obtain a sample to estimate a population mean. Based on previous evidence, you believe the population standard deviation is approximately σ=26.3. You would like to be 99% confident that... more
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Math Help Math Calculus Graph

01/24/22

How to find the area of the region bounded by the graphs y = x^3 + 2x^2 and the line y=x+1
1) Define the intersection points. (Show how you get the points).2) Shaded the region bounded.3) Evaluate the area (show the calculations).
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01/18/22

what is the maximum number of additional accountants that should be hired to meet these plans?
15 people are employed, 20% of whom are typists. If management plans to keep a current number of typists, but to increase the number of accounting staff to the point where 12% of the total stuff... more
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Math Help Math Calculus Integrals

01/03/22

Evaluating the surface integral with the part of a plane inside a cylinder
Question: how to calculate the surface integral of∫xz dσp where p is the part of the plane z+x-5=0 that is inside the cylinder x2+y2=1.Im trying to understand how to do this exercise... I guess... more
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Math Help

12/16/21

Find the equation of a parabola in vertex form that has been translated 5 units to the left, 11 units up and passes through the point (3,27)
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09/28/21

Circle question-Precalculus
A small radio transmitter broadcasts in a 23-mile radius. If you drive along a straight line from a city 31 miles north of the transmitter to a second city 32 miles east of the transmitter, during... more
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09/16/21

Please Help With Problem

P^4 - 13p^2 + 40 please help with problem
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09/16/21

Please Help With Problem
P^2 q - pq^2 - rp^2 q + rpq^2
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Math Help Math Calculus

08/10/21

MATH HELP, infinite series
serie de n=1 a infinity}(\sqrt{n de)/(n+4)∑sqrt(n)/(n+4)from n = 1 to infinity
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08/07/21

MATH HELP, differential equation
Find all solutions of the equation y' + 2y = b(x) , (−∞ < x < +∞)where 1 − |x|, se |x| ≤ 1 b(x) = 0, se |x| > 1
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08/07/21

differential equation
Find the general equationy' = y(y2 − x2 − 1) ⁄ x(y2 − x2 + 1)
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08/06/21

differential equation
help me with what method I should use to find the general solution, please(3x-y+1)y' = -x+3y+5
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Math Help Math Math Calculus

07/27/21

LIMITS, PLEASE HELP
show that lim→(0,0) (|x|^a|x|^b) ⁄ (|x|^c +|x|^d) this does not exist
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07/19/21

Differential equation
prove that eax cos(bx) and eax sin(bx) would be linearly independent solutions of the equation d2y/dx2 − (α1 + α2)dy/dx + α1α2y = 0when α1 = a + bi and α2 = a − bi, where b≠0.
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07/16/21

Differential equation
2) Consider the differential equationy' − (2 + xexy) = x2(y' − xexy)(a) Find the explicit general solution.(b) Find the particular solution that passes through the point (0, e-1) and the maximal... more
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07/16/21

Differential equation
1) Consider x ≠ 0. Solve the differential equation(y6 − 4x6)dx + 3x4y2dy = 0.Determine the particular solution that passes through the point (1, 2).
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07/16/21

Initial Value Problem (or IVP)
Find the implicit IVP solution y'(x) = - (ex ⁄ ey+yey)y(0) = 0 What can we say about the existence of the explicit solution? If there is, can we say who it is?
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07/16/21

differential equation
Let y≠0 for the differential equation 2ydy ⁄dx = 5 + 2x − 2y2(a) Find the implied general solution.(b) Find the particular solution that passes through the point (0,√5) and the maximum range... more
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05/18/21

Jack spent half of his weekly allowance on video games. To earn more money his parents let him wash the car for $6. What is his weekly allowance if he ended with $15?
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