Al P.

Math Linear Equations

02/28/18

You have 30 coins made up of dimes and quarters. The total cost you have is 5.10. How many dimes and how many quarters do you have?

I don't now how to set up it but I think I know how to solve after it is set up.

Follows • 2

Answers •1

Algebra 1

02/26/18

I need some homework help quick! I need to solve this word problem using substitution.

Maria always buys 3 times as many bottles of orange juice as milk at the grocery store, because her boys drink so much orange juice. On her last trip to the store, juice was on sale for $2 a... more

Follows • 2

Answers •1

Honors Algebra 2

02/26/18

how long will it take for $500 to double if it is invested at 5.5% annual interest, compounded continously

how to solve out the equation to get the answer using a=p(1+r/n)^n*t

Follows • 2

Answers •1

Proofs Math Proofs Other Math

02/25/18

Induction proofs

Exercise 2.25: P(n) is the number of regions in the plane formed by n lines in general position: n=1, p(n)=2; n=2, p(n)=4; n=3, p(n)=7; n=4, p(n)=11; n=5, p(n)=16; n=6, p(n)=22.2.76) Finish the... more

Follows • 2

Answers •1

Math Proofs Math Proofs

02/21/18

Prove that for any integer z that is a perfect square, there exists integers m and n such that m^2+n^2=zk.

Let k be an integer such that there exist integers p and q with p^2+q^2=k. Prove that for any integer z that is a perfect square, there exists integers m and n such that m^2+n^2=zk.

Follows • 1

Answers •1

Permutations

02/20/18

Solve for n: P(n,3) = 6P (n-1,2)

Permutations question from a quiz review sheet (Gr. 12 Data Management)

Follows • 2

Answers •1

Math Algebra 1 Algebra 2

02/14/18

Find three consecutive integers such that five times the third integer equals twice the first integer plus seven more than the second integer.

Defining the vatiables before starting tends to make the problem easier.

Follows • 2

Answers •1

Calculus

02/10/18

Convert the complex number in Cartesian form z1=2<pi\4

complex numbers in cartesion form

Follows • 2

Answers •1

Calculus Precalculus Pre Calculus

02/08/18

How do you find limits of piecewise functions?

I have a problem on limits. The graph shows two very different equations approaching the same point, but at that point (x=4) there is a hole. Below the hole there is a point at (4,2). What is the... more

Follows • 3

Answers •2

Math Equations Math Answers Math Word Problem

02/06/18

two vertical angles form a linear pair

two vertical angles form a linear pair true or false

Follows • 2

Answers •1

Math

02/01/18

can you help me with math please.

(a) The solution of the inequality |x| ≤ 7 is the following interval. answer using( INTERVAL NOTATION ) (b) The solution of the inequality |x| ≥ 7 is a union of two intervals. (State the... more

Follows • 3

Answers •2

Algebra Word Problem

02/01/18

the difference between the digits in two-digit numeral is 3. the units' digits is twice the tens's digit. Find the numeral.

To solve word problems involving two-digit numerals.

Follows • 3

Answers •2

Discrete Mathematics

01/31/18

Counting / Permutation & Combination

Given two positive integers n and k with the same parity, count the number of sets S = { 0< s1 < s2 < ... < sk = n }, such that s1, s3, ... are odd numbers and s2, s4, ... are even numbers more

Follows • 2

Answers •1

Calculus Help Asap Please

01/30/18

Hi i am really struggling to answer this calculus question

The manager of the Many Facets jewelry store models total sales by the function S(t)=(2000t)/(4+0.1t) where t is the time (years) since the year 2005 and SS is measured in thousands of... more

Follows • 3

Answers •2