# Posts by Deandra

Total # Posts: 12

math
A mixture requires 4 cups of water for every 7 cups of flour used. How many cups of water should be used with 28 cups of flour

WINTER WONDER LAND IS RIGHT!

math
Calculate the perimeter of a glass pan with 10cm by 60cm

History
1. C 2. A 3. B 4. C 4/4 100% just took it

MATH
TWO INTEGERS ARE DEFINED AS "PARTNERS" IF BOTH OF THEIR PRIME FACTORIZATIONS CONTAIN ALL THE SAME PRIME FACTORS. FOR EXAMPLE, 15 AND 45 ARE PARTNERS SINCE BOTH ARE DIVISIBLE BY THE SAME SET OF PRIME NUMBERS 3 AND 5. HOW MANY POSITIVE INTEGERS GREATER THAN 50 AND LESS...

math
I think it is 45.

math
45

MATH
Consider a population with and . (A) Calculate the z-score for from a sample of size 13. (B) Could this z-score be used in calculating probabilities using Table 3 in Appendix B of the text? Why or why not?

statistics
If a population has a standard deviation ó of 25 units, what is the standard error of the mean if samples of size 100 are selected?

precalculus
solve the inequality and write the answer using interval notation 50/(x+4)+1<4x

precalculus
solve the inequality in the complex number system. x^4+x^3+4x^2+10x-60=0

math
list all the possible rational zeros for the polynomial below. find all the zeros of the polynomialbelow and factor completely. F(x)=5x^4-x^3-33x^2-43x-16