01/22/18

A line that includes the points ( - 9,d) and ( - 8, - 4) has a slope of - 8. What is the value of d?

Have not learned this yet, having trouble.

01/22/18

A line that includes the points ( - 6,j) and ( - 5,3) has a slope of 6. What is the value of j?

 I do not understand this question.

01/17/18

Find the simple interest earned to the nearest cent for each principal, interest rate, and time!

$1,200, 3.9%, 8 months 

what is the inverse of f(X)=17/12(x)-13

Math help in algebra 2

01/10/18

what is the value of y (-4,-3)(-8,y) slope is -7/4

I need help finding the value of y

01/10/18

How to change 125% to a fraction

how do o change 125% in a fraction 

01/09/18

How to change 5x-3y+6=0 into slope intercept form?

I don't think i am doing it right and just want to make sure. I think the answer is y= -5/3x -2, but i don't have anyone to check with 

01/04/18

If I have an 82% in geometry and the eoc is worth 30% of my grade, and I fail it with a 40%, how much will that drop my final grade?

Passing the geometry EOC isn't currently a requirement but it counts for 30% of my grade. I'm not good at math and I would like to know how much failing the test with a 40%-50% would drop my grade.... more

12/21/17

the average of 'n' numbers is x. when 36 is subtracted from two of the numbers, the new average becomes(x-8). the value of 'n' is

find the value of 'n'  (a) 6                  (b) 8   (c)  9                  (d)  72   (e)  None of these  

Financial Formula

3. An account that earns 2.99 % simple interest initially contains $5000. How much will be in the accountin 54 months?

Financial Formula

2. How much interest does a CD with 3.25 % annual simple interest earn after 30 months if the accountoriginally contains $10, 000?

12/13/17

Ideal Gas Law Chemistry

If 11.5 moles of an ideal gas occupies 26.5 liters at 323 K, what is the pressure of the gas?   atm =?

12/13/17

Ideal Gas Law Chemistry

If 9.83 moles of an ideal gas has a pressure of 4.64 atm, and a volume of 31.49 L, what is the temperature of the sample?   K =?

12/13/17

Ideal Gas Law

If 32.5 moles of an ideal gas is at 4.39 atm at 6.40 °C, what is the volume of the gas?   L = ?

12/06/17

equation for "five elevenths times a number is 55"

One step equations

12/05/17

how many moles of CO2 are formed from 25.0 moles C2H2

5C2H2(g) + 2O(g)= 4Co(g) + 2H2O

12/04/17

average question for GRE

if the average of 11,17,15,28, and x is 19.6, what is the value of x?

12/01/17

College Algebra

Scott invested a total of $9500 at two separate banks. One bank pays simple interest of 10 % per year while the other pays simple interest at a rate of 9 % per year. If Scott earned $ 914.00 in... more

Algerbra question

For the functions f(x) = x2 + 4 and g(x) = x2 + 1, find the composite function (f ∘ g)(x).

11/28/17

The average of two numbers is 16. If one of the numbers is 11, what is the other numbers?

 I need to figure out what the other number is

Can you help me with my Precalculus?

im really struggling. The question reads “How much 60% acid solution must be added to 20 ml of 30% solution to achieve a 50% acid solution?”i am so lost :(

11/20/17

On his first three tests, Andrew scored 96, 92, and 87. What score must he get on his fourth test to have an average (mean) of 80 for all four tests?

On his first three tests, Andrew scored 96, 92, and 87. What score must he get on his fourth test to have an average (mean) of 80 for all four tests?

what number, when multiplied by itself, is 25 higher than the proceeding number when it is multiplied by itself

looking for an explanation as well soI can apply it to other similar problems

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