12/13/18

Age Word Problem

Penelope is 4 times as old as Jose. Jose is 3 years older the Elliot. If the sum of the age of all three is 57. How old is Jose? Any help I would appreciate it.

12/13/18

Simplify completely

I’m trying to solve (-7)^2(-7) to a positive

12/12/18

Word problem containing Cody

There are 32 students in college class. If there were twice as many girls in the class the total number of students would be 45. How many girls are in Cody‘s class?

12/12/18

Vanessa has 40 nickels and dimes the total value of coins of $3.25 let NBA the number of nickels let D be the number of DiMrs

Vanessa has 40 nickels and dimes the total value of coins of $3.25 let N be the number of nickels let D be the number of Dimes. How many nickels are there how many dimes are there

12/12/18

what is 32^2/5 in simplest radical form

12/12/18

If i have a point outside of a plane wouldnt it be coplanar to since planes extend forever?

LIke lets say I have plane Z, and points A,B, and C make plane Z. And then i have a point lets say D outside of plane Z. Wouldn't it be coplanar to all the points in the plane? Because they say... more

12/12/18

Need help with this problem

The width of a triangle is six more than twice the height. The area of the triangle is 88 in^2. Find the height and base of the triangle

12/12/18

Write the system of linear equations as an augumented matrix?

{-x+3y+5z=0{4x-2y+5z=0{3x-4y+z=-3

12/12/18

help with truth table (big one) at least to me

(X*Y) v (~Y*Z)Z v ~X~Ztherefore Y v ~X

12/12/18

trying to figure out a truth table

A v BBtherefore ~A

12/12/18

A positive real number is 4 more than another. If the sum of the squares of the two numbers is 44, find the numbers.

write your answers in the form p +/-q square root r

12/12/18

Mixture Problem

A chemist wants to create a 40% acid solution from the two solutions she has on hand. She has a 70% an a 10% solution. How much of each must she mix together to get 125 ml of 40% acid solution. She... more

12/12/18

Algebra and sets math problem

Suppose A = {x |x ≤ −2, x ≥ 3} and B = {x | −1 ≤ x < 5}. Which statement is true? A.-A ∪ B is all real numbers B.-A ∩ B = ∅ C.-A' = {x | −2 ≤ x ≤ 3} D.-B ⊆ {x | x ≤ 5} NEED ANSWER QUICK

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