Word Problem Help Algebra

41 less than 5 times a number is 19 more than 3 times of the number.  What is the number?

02/19/17

Why we needeed domain and range

Find the range and domain of f(x)=√x+1/x+2 

02/18/17

SALLY THE BABYSITTER

Sally earned $8 per hour babysitting her sister. Write an equation in the form equals = kx. Does this problem represent a porportional relationship? Explain. 

02/18/17

could you show me the steps to solving this

5/14        M ------  =  ---- 12            21

02/18/17

Steepness of a ramp

If a handicapped ramp has a rise of 11 inches for a run of 56 inches, does it meet the recommended maximum steepness code of 1:12? Answer yes or no.

Determine the Height

How high is the peak of a roof from the attic floor if the house is 40 feet wide and the pitch of the roof is 1 to 4? The height is ________ feet.

Cubic Feet

A farmer needs to purchase hay to feed his horses. He is on a budget and must buy the hay that is most economical. The two options he has are:Round bale: 4 feet diameter and 5 feet heightSquare... more

Which is better?

A farmer needs to purchase hay to feed his horses. He is on a budget and must buy the hay that is most economical. The two options he has are:Round bale: 4 feet diameter and 5 feet heightSquare... more

02/18/17

find the vertex and the axis of​ symmetry,

f(x)=−x2+4x+7, find the vertex and the axis of symmetry,

02/15/17

sum of two numbers

The sum of two numbers is 26. The first number is 3/10 of the second number. What are the numbers?

02/15/17

Rolling an odd number and a 2 or a 4 twice

answer and simplify

02/12/17

how do you find the product and simplify?

-2y(2y^2+5)

What's the answer to this problem?

Using the following information determine the correct equation of a hyperbola in standard form  center:(7,-5) transverse axis length of 6 conjugate axis length of 4 transverse axis parallel to... more

can you answer this question?

Using the following information determine the correct equation of a parabola in standard form vertical axis  vertex (3,-5) p=-3

02/11/17

A machine has four components, A, B, C, and D, set up that all four parts must work for the machine to work properly. Assume the probability of

A machine has four components, A, B, C, and D, set up in such a manner that all four parts must work for the machine to work properly. Assume the probability of one part working does not depend on... more

02/11/17

The Neva River in St. Petersburg, Russia, is 74 km long. How long is it on a map drawn at a scale of 1:2,000,000?

I NEED HELPP WITH THIS PROBLEM! ASAP  

02/11/17

Simplify x(x+3) + 2x + 6 .

Please simplify these and also tell me the method and the answer . 

what is 3^12?

I am a 7th grader who is  studying for a academic pentathlon competition that is on march.

A bag contains 2 red checkers and 6 black checkers. A checker is selected, kept out of the bag, and then another checker is selected. What is P ?

I need help with this and it is very hard like very very very very very very very very very very hard  

02/10/17

Evaluate the integral by interpreting it in terms of area

0 ∫1  x+sqrt(1-x^2) dx

How to do this definite integral

0∫4 sqrt(2x+1)dx    In my book in the solutions section, the upper and lower limit seem to have changed but Im not sure how they got there and how to do it. 

02/09/17

Where did the "a" come from in this answer and how come the final bit isn't negative?

I'm reading this book called "Get Math" and one part of the book says -b(a2+2ab+b2) = -a2b - 2ab2 +ab3. My first question is where did the "a"come from and my second one is how come the last bit... more

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