7,072 Answered Questions for the topic Math Help

Math Help Math Math Calculus

5h

show that lim→(0,0) (|x|^a|x|^b) ⁄ (|x|^c +|x|^d) this does not exist

#### 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.

#### 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

#### 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).

#### 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?

#### 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

05/14/21

I had 6 tests worth 50%I got 84,80,76,76,76,74I had one exam worth 5%I got 22/30what do I need to get on my final exam worth 25% to maintain at or above 76%And how many questions can I miss?the... more

04/29/21

#### Trigonometric equations

1) Find all solutions to the equation 2 sin x + 1 = 0 in the interval [0, 2π].2) Find all solutions to the equation 3 cos x = 3 in the interval [0, 2π].3) Find all solutions to the equation 3 sin x... more

04/23/21

#### A boat on a river travels between two points, 50 miles apart, in one hour. The return trip against the current takes 2 1/2 hours.

A boat on a river travels between two points, 50 miles apart, in one hour. The return trip against the current takes 2 1/2 hours. What is the boat's speed in still water? How fast does the current... more

04/19/21

#### A right triangle has legs that are consecutive integers.

A right triangle has legs that are consecutive integers. The hypotenuse is two greater than the shortest let. Use a quadratic equation to find the dimensions of the right triangle.
Math Help

04/17/21

An international company has 12,300 employees in one country. If this represents 24.8% of the company’s employees, how many employees does it have in total?
Math Help

04/10/21

#### I need help with my Math-first grade

jacob has 12 fish and all of them aare either yellow or red. there are twice as many yellow fish as red fish. how many yellow fish does jacob have? how many red fishb does jacob have?

03/27/21

#### Find all rational zeros of the polynomial. P(x) = 4x^4 − 13x^3 − 13x^2 + 52x − 12

Really stuck on this one:Find all rational zeros of the polynomial. (Enter your answers as a comma-separated list. Enter all answers including repetitions.)P(x) = 4x4 − 13x3 − 13x2 + 52x − 12x =... more

03/22/21

#### How much will it cost him to send 3 small packages and 7 large packages?

David is mailing packages. Each small package costs him $2.90 to send. Each large package costs him$4.20 . How much will it cost him to send 3 small packages and 7  large packages?

03/22/21

#### How much will it cost him to send 3 small packages and 7 large packages?

David is mailing packages. Each small package costs him $2.90 to send. Each large package costs him$4.20 . How much will it cost him to send 3 small packages and 7  large packages?
Math Help Math Algebra 1 Geometry

03/19/21

#### find the cost to rent each chair and each table

A party rental company has chairs and tables for rent. The total cost to rent 2 chairs and 3 tables is $23. The total cost to rent 6 chairs and 5 tables is$43. What is the cost to rent each chair... more
Math Help Math Algebra 1 Geometry

03/17/21

#### Find the cost to rent each chair and each table

A party rental company has chairs and tables for rent. The total cost to rent 2 chairs and 3 tables is $23 . The total cost to rent 6 chairs and 5 tables is$43 . What is the cost to rent each... more
Math Help Math Algebra 1 Geometry

03/17/21

#### Find How much each box of chocolate chip cookies and how much was each box of oatmeal cookies?

Michael and Stephanie are selling cookies for a school fundraiser. Customers can buy boxes of either chocolate chip or oatmeal cookies. Michael sold 14 boxes of chocolate chip cookies and 6 boxes... more
Math Help Math Algebra 1 Geometry

03/17/21

#### Find the price of one senior citizen ticket and one student ticket

The school that Kristen goes to is selling tickets to the annual dance competition. On the first day of ticket sales the school sold 8 senior citizen tickets and 7 student tickets for a total of... more
Math Help Math Algebra 1 Geometry

03/17/21

#### find the price of 1 cheesecake and 1 pizza

Dan and Barry are selling cheesecakes and pizzas for a school fundraiser. Dan sold 8 cheesecakes and 6 pizzas for a total of $184. Barry sold 10 cheesecakes and 3 pizzas for a total of$140. What... more
Math Help Math Algebra 1 Geometry

03/17/21

#### Find the price of a senior citizen ticket and the price of a child ticket.

Dan and Barry are selling cheesecakes and pizzas for a school fundraiser. Dan sold 8 cheesecakes and 6 pizzas for a total of $184. Barry sold 10 cheesecakes and 3 pizzas for a total of$140. What... more
Math Help Math Algebra 1 Geometry

03/17/21

#### Find the price of a senior citizen ticket and the price of a child ticket.

The senior classes and Plum and Gateway planned separate trips to Kennywood. The senior class at Plum rented and filled 1 van and 7 buses with 206 students. The senior class at Gateway filled 14... more
Math Help Math Algebra 1 Geometry

03/17/21

#### Find the price of a senior citizen ticket and the price of a child ticket.

Rob's school is selling tickets to the annual talent show. On the first day of ticket sales the school sold 14 adult tickets and 9 student tickets for a total of $212. The school took in$110 on... more

03/05/21

#### Find the exact value of each of the remaining trigonometric functions of theta given

sin theta = -3/5, cos theta < 0

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