Can I solve this particular stats problem using a ti-84 calcualtor

I know how to solve this problem the long way.  But I think there's enough information in the question for there to be a way to get an answer using a ti-84 calculator.  But I don't know how.... more

Is this a arithmetic sequence or a geometric sequence??

So I got this math question from my Math teacher and in the question it labels it as a geometric sequence, by in the description of it it says it goes down by a flat 5% every time.  So from the... more

04/18/19

Problem solving

In the expression , explain the significance of the numerator  and denominator  in the exponent.

03/18/19

How to get rid of careless mistakes especially on the SAT <b>Math</b> section.

I just took the April 2017 QAS and got a 1360 (710 math and 650 ERW). After reviewing the test and spotting my mistakes, I realized that in the Math section I could have gotten 5 more questions --... more

the perimeter of a rectangle is 70 inches. the lenth of the rectangle is 5 inches more than twice the width. what is the lenth of the rectangle?

Im having trouble with this word problem, im in a math class at college and its only a prep math class and i cant figure out the formula for this problem. I am writing it as 2w=5=70 but when i do... more

I need to calculate derivative of a function whose parameters are functions of other parameters using MATLAB or Maple

I'm doing some mathematical calculation of some symbolic math that includes multiplication and differentiation of some matrices.Some of the parameters in my calculations are functions of time. for... more

Plz Help me choose my career ..

I jus passed Intermediate (Maths,Economics, Commerce) with 85% marks and now planning 2 take Bsc (Maths, Stats , Computers) , IS it gud I am interested in computers and thinking to do M.Ca after... more

Why do so much <b>math</b> work on factors, when you can just lower it to the lowest common figures?

Why do so much math when all you have to do is lower it as much as possible.18/24 divide by the lowest number which is two and making it 9/12.  The lowest then would be three making it 3/4.  It's... more

03/31/16

If there were 92 sides drawn how many girls are in the class? -Full question below!

In a math class of 26 students, each girl drew a triangle and each boy drew a rectangle. If there were 92 sides drawn by the students, how many girls were in the class?

05/11/16

my grade point average

I have a 98.3 for my math class, but I want to know if i do really bad on the final which is 25%of my grade will I still pass the class?

06/08/16

upper quartile 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80

This is the example problem in my math book. I kept coming up with 78 as did an online quartile calculator but the book says the answer is 80. How are they coming up with that answer? 

In a church, the ratio of adults to children is 6 to 12. If there are 198 people in the church, how many children are there?

I need help solving this math word problem. Any type of help would be wonderful. You can either give the answer or show work too thank you!

Melissa paid X dollars for her college <b>math</b> book and $25 less than that for her college sociology book. Express the cost of her sociology book in terms of x.

Melissa paid X dollars for her college math book and $25 less than that for her college sociology book. Express the cost of her sociology book in terms of x.

Melissa paid X dollars for her college <b>math</b> book and $25 less than that for her college sociology book. Express the cost of her sociology book in terms of x.

Melissa paid X dollars for her college math book and $25 less than that for her college sociology book. Express the cost of her sociology book in terms of x.

04/28/15

There are 96 houses on an estate. The ratio of detached to semi-detached house is 11:5. How many of each kind of house are there

It's really hard help ratio isn't my thing tbh maths isn't either I hate this word limit thing just help me please 

05/12/15

What is the value of X if *square root* over x-3.4-15 *no more square root* equals 5?

I had this question on my Math praxis exam. I would have used the square root symbol, but I see that there isn't one. How is this figured out?

06/11/15

250% of $210,000

250% commission of $210,000 - I don't know who to figure this out but I was told it was $43,750. What does the math formula look like?  

01/06/16

How do I do 3.6 + (3 * 9.6 - 4.8) showing the work?

I am doing math. And the topic is Evaluating Expressions. I need help with #2. The question I just asked. I am Arya Gupta. Please help!  

11/03/15

can the notebook also contain 10 pages of notes about other subjects explain

a 64 page notebook contains 35 pages of science notes and 17 pages of math notes can the notebook also contain 10 pages of notes about other subjects

how do you solve this

the average score on a math test for 25 students was a 62%. 4 more students took the test, and the average of these 4 students was 67%.  what was the average for all the students?

09/21/15

Use counters to model two integers with different signs whose sum is positive. Explain how you know the sum is positive

in school were learning about how to add integers with different signs this is in the the go math book 7th grade ny brooklyn          

08/22/15

What is the cardinality if A = { {}, {{}, {}}}?

I am still confused about null sets. I'm pretty sure that {} is equivalent to 0 with a / on it. Please help me. I don't want to fail math. :(

why is the absolute value of 5x+3 > -2 all real numbers?

We got his question in math today and my teacher didn't really explain how it is real numbers and I just want to make sure I understand.

08/23/14

Tony took 7/10 of an hour to finish his exercise. How many minutes did he take?

please help me i dont get this at allllllllllllllllll!!!!!!!!!!!!!!!!!!!!!!! plz someone just help me i dont get this at all!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! plzzzzzz help meeeeeeeeeee stupid... more

lea wants to make 3L of a 16% alcohol solution by mixing together a 20% alcohol solutio.How much solution must she use?

I really don't understand how to do this kind of  word problems and even thought im in honors math im really confused.i need help.  

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