7,221 Answered Questions for the topic Math Help

08/23/17

how to find out percentages?

initial price is 24$ which is increased with a certain percent then reduced with a certain percent to reach the price 20.40$ .what are the increase/decrease percentages?
Math Help

08/22/17

How do I find the nth term?

I should know how to do this but it is late at night and I cannot for the life of me figure it out.  I am trying to figure out the nth term of the sequence 2,6,18,54,162... I realize it's just... more
Math Help

08/22/17

Write using sigma notation..? 2/(1x3),4/(3x5),8/(5x7)...1024/(19x21)

Beginning of Calc II
Math Help

08/22/17

im confused on what 16 less than 26 is evaluated. am i subtracting or using the equal greater signs

am i subtracting or using the equal greater signs
Math Help Math Word Problem

08/22/17

The perimeter of the bottom of a rectangular swimming pool is 122 meters. The pool is 39 meters long. How wide is it?

i need help can anyone give me an answer 
Math Help

08/22/17

Rounding numbers

what is the 76,902 rounded to the nearest ten thousand 
Math Help Math Calculus

08/22/17

calculus question

Alex and Veronica were discussing the definite integral ∫₀³ (x² − 1)dx. Alex said it represented the total area bounded by f ( x ) = x² - 1 and the x-axis , between x = 0 and x = 3. Veronica said... more
Math Help

08/21/17

Alison has 6 blank cards. What should she write on them to get the following? Mean 6 mode 6 median 6 range 2

i get how to solve a problem when they give me all the numbers but when is a word plromble like this one is more complicated for me. 
Math Help Math Calculus Physics

08/21/17

Calculus question

A ball is tossed up from a tower 50m above the ground. If the ball has an initial velocity of 30m/s, how long will it take to hit the ground if a = -9.81m/s^2.   Help!?
Math Help

08/21/17

how do i learn necessary math by myself?

I'm not as good at math, as I would like to be. can someone give me the tools to learn? I need to know which specific subjects you need to master as a graduating high school student, going to... more
Math Help

08/21/17

What expression matches the product of 6 and the sum of 50 and 9

Math exercise 
Math Help

08/20/17

Confused about question

The altitude a (in feet) of a plane t minutes after liftoff is given by a=3400t+600. How many minutes after liftoff is the plane at an altitude of 21000 feet?
Math Help Chemistry

08/18/17

Is the relationship shown by the data linear?If it is,model the data with an equation?a.(2,6)(3,4)(4,2)(5,0) b.(-2,-7)(-1,-4)(1,2)(3,8) c:(-3,0)(-1,3)(1,7)(3,9)

A little rusty with the math. School just started back and I need to refresh my memory. Any help would be appreciated.
Math Help Math Calculus

08/18/17

Calculus question

Graph 3 members of the family of curves that have f(x) = -x+1 as a common derivative. Help!?
Math Help

08/17/17

A post of 10m projects a shadow of 0.2 m how much does a tower measure what projects at the same hour a shadow of 0.6m?

2nd year of high school, need help ASAP
Math Help

08/17/17

Rewrite the following using the associative property of addition. (1 + 7) + 8

Rewrite the following using the associative property of addition.(1 + 7) + 8
Math Help

08/17/17

Find the length of MQ. Show work

Point M is the midpoint of PQ. PM = 4x-1 and MQ = 12x-17. Find the length of MQ
Math Help

08/17/17

a painting is a square, 2x+8 inches on each side. find and expand an expression for the area of the painting.

answer should be simplified with all likes terms combined. thank you, much needed.
Math Help

08/16/17

6 cakes are on a display. if 3/7 of one cake is eaten what fraction of cake remains.

answer must be a reduced fraction. any assistance will help. please show work so I can understand it better.
Math Help

08/16/17

together, a pan and a knife cost 43 dollars. the pan costs 10 more than the knife. how much does the pan cost by itself

I need help with my math homework. any help assistance will be helpful. thank you
Math Help Math Calculus

08/16/17

Calculus question

Two people walk away from the same location at the same time. The first person travels east at a rate of 2.5 m/s. The second person travels south at a rate of 1.5 m/s. At what rate is the distance... more
Math Help Math Calculus

08/16/17

Calculus question

A 7m ladder is leaning against the wall. When the top of the ladder is slipping down at a rate of 2m/s, how fast is the bottom moving when it is 4m away from the wall?   HELP!?
Math Help

08/16/17

The mean of a set

The mean and median of a set of 9 distinct positive integers is 13. What is the maximum possible value for the largest integer in the set?   Please help Please add the steps to how you got there... more

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