6,938 Answered Questions for the topic mathematics
The line L passes through the points A(−2,−1) and B(−3,−9). The equation of L is?
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The line 3y−6x+9=0 is parallel to which other line?
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Mathematics
10/18/21
The sum of a 3 digit number and a 1 digit number is 138. The product of the numbers is 536 . One number is between 130 and 150 .what are the numbers ?
Mathematics
10/18/21
Keiko is saving money to buy a game. The game costs $14 , and so far she has saved one-half of this cost. How much money has Keiko saved?
I needed help on my work
10/18/21
How long will it take to drain the pool once it is filled and only the drain valve is opened?
Emmanuel was told that his pool will fill through an inlet valve in 12 hours. He knew something is wrong when the pool took 20 hours to fill. He found he had left the drain valve open. How long...
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Help needed with math question
1.Given s = t4 − 4t3 − 20t2 + 15t, where t ≥ 0, at what time is the acceleration 0?2.Given: A particle moves according to a law of motion s = f(t), t ≥ 0, where t is measured in seconds and s in...
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Mathematics Differential Equations
10/17/21
Solve the given differential equation y(u ^ 2 + 2)du - (u ^ 3 - u)dy = 0
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Mathematics
10/17/21
find the domain of the function F(X) =√x² +3x-28
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Consider the ODE system below y ′ = y2 − z2 ; z′ = y2 + z2 Which of the following is true?a. Solvable by trig substitutionb. Solvable using Euler method only if initial conditions are stated c. RK...
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Consider the ODE system below y ′ = y2 − z2 ; z′ = y2 + z2 Which of the following is true?a. Solvable by trig substitutionb. Solvable using Euler method only if initial conditions are stated c. RK...
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Consider the ODE system below y ′ = y2 − z2 ; z′ = y2 + z2 Which of the following is true?a. Solvable by trig substitutionb. Solvable using Euler method only if initial conditions are stated c. RK...
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Let (7, -3) be a point on the terminal side of θ. Find the exact values of cosθ, secθ, and cotθ
Let (7, -3) be a point on the terminal side of θ. Find the exact values of cosθ, secθ, and cotθcosθ = secθ = cotθ =
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Consider the follow statement: ”The Euler method can be used to approximate any ODE of the form F(x,y,y’)=0” and select only one option :a. True for only linear functions Fb. Always truec. Only...
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Consider the function y(x) = − sqrt( 1 − x2), the volume of the solid of revolution about the x-axis is :a. Undefinedb. πc. 4π/3d. Cannot be solved using known techniques
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Consider the function y(x) = − sqrt( 1 − x^2), the volume of the solid of revolution about the x-axis is :a. Undefined b. π c. 4π/3 d. Cannot be solved using known techniques
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Please help with this homework
The following equation :y ′ = ye^(x+y) may be classified as : a. Linear separable b. Linear Homonegeous c. Nonlinear Separable d. Exact
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10/15/21
Please help with this math question
. The ordinary differential equation : dy/dx = e^(-x^2) , y(0)=1 ; maybe solved using a. No technique covered in class b. Integration by parts c. The substitution y = xv d. Euler method
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10/15/21
What is the group size that will accomodate a class of 27 students based on this problem below?
A student-teacher wants to divide a class into groups to work on a project. He'd like to have somewhere between 4 and 6 students in each group and wants every group to have the same number of...
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How many tourists made a side trip to Hongkong based on the problem below?
An agency charged Php 20,000 for a 3-day and 2-night tour in Macau, and Php 25,000 for the same tour with a side trip to Hongkong. Ten persons joined the trip, which enable them to collect Php...
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Consider each given sequence start.
i). Classify each as arithmetic, geometric, and/or none of these. ii). Find the 28th term.iii). Find the sum of the first 7 terms, call it S7.a). 44,-6,44,-4,...b). 3/4,3/2,3,6,... (3/4 and 3/2 are...
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Consider each given algebraic statement.
i). Classify each as an equation or an expression.ii). For each expression classify it as polynomial, monomial, binomial, trinomial, and/or none of these.iii). Also, for each polynomial: list each...
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The side lengths of a square are tripled.
a). What is the length's multiplier? What is the percentage increase of the length?b). From the new (tripled) length, what percentage decrease would be needed to return to the original length? What...
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10/15/21
Calculus question (differential equation)
so I have a question about a differential equation..So here's the differential equation: dy/dx = - 2x/yThe question wants me to find the particular solution y = f(x) to the differential equation...
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10/14/21
Find sin2x, cos2x, and tan2x if tanx = -1/2 and x terminates in quadrant IV
Find sin2x, cos2x, and tan2x if tanx = -1/2 and x terminates in quadrant IVsin2x = cos2x = tan2x =
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Work time math help
There are three groups, Group A has 6 efficient workers who can get a work done in 10 days. Group B has 8 moderately skilled workers who can get the same work done in 12 days. Group C has 10...
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