16 Answered Questions for the topic Need Help On Math

09/11/18

#### must screen 175 slides under a microscope each week. If she works 7 hours a day, 5 days a week, how many slides an hour?

A lab technician must screen 175 slides under a microscope each week. If she works 7 hours a day, 5 days a week, how many slides on average must she screen an hour?

08/28/18

#### In a group of 35 pupils, 11 play the flute only

In a group of 35 pupils, 11 play the flute only. 8 play the piano only. 15 play neither instrument. A student is selected at random. What is the probability the student plays both instruments?

08/13/18

#### A man earned wages of $44 comma 200, received $2600 in interest from a savings account, and contributed $2800 to a tax-deferred retirement plan. He was en

A man earned wages of $44 comma 200, received $2600 in interest from a savings account, and contributed $2800 to a tax-deferred retirement plan. He was entitled to a personal exemption of $3300 and...
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06/19/18

#### A deck of 52 playing cards is about 3 quarters of an inch thick. What is the thickness of each card in millimetres?

this is a question about measurements more specifically conversion between two units of measurement.

04/28/18

#### Differential Equation Question Please Help.

Solve the following initial-value problem using Laplace transforms.
y''- y' - 2y = 5sin(x) ; y(0) = 1 , y'(0) = -1

04/16/18

#### The variable v varies jointly as w and x and inversely as the fifth root of y.

i need help now

03/27/18

#### Which fraction is equivalent to negative 7 over 8? 8 over negative 7 7 over negative 8 negative 7 over negative 8 7 over 8

the answer is between one of the four end ones as it says

03/17/18

#### Differential Equation Question: 2nd Order DE. Need Help.

Using the method of undetermined coefficients, determine the general solution of the following second-order, linear, non-homogenous equations.
y'' - 2y' + 2y = sin(x) + cos(2x)

03/11/18

#### Differential Equation Question

Determine the specific solution of the following initial-value problems. y''+ 4y' + 20y = 0, y(pi/2)=0 and y'(pi/2)=2

03/11/18

#### Differential Equation: Need Help

Determine the specific solution of the following initial-value problems. y''-6y'+9y=0, y(-2)=1 and y'(-2)=0

10/26/17

#### How do I evaluate this expression 1/24-1/36+29/36 using the rules from r order of operations

I need to evaluate the following expressio using the rules for order of operations 1/24-1/36+29/36. And my answer has to be written as a reduced improper fraction

10/25/17

#### I have a math problem I need help with can u help? its gonna be in the describtion its tooo long for the question box.

The German Club is planning a ski trip. The club will pay $500 toward the trip, and each member going on the trip will play $115. Write an equation that represents the number of club members going...
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10/08/17

#### Peter has 15 construction sets in his collection. John has 5 more construction sets than Peter. What is the ratio of John’s construction sets to Peter’s constr

I need help with my question

09/04/17

#### Can someone help my daughter with her math?

-2(4x-2)=4x-8
-5x+6-4x=3(-3x-2)
3-1(4x+1)=1/2(2x-6)

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