a large pump operating alone can drain a site in 20hours and a smaller pump can drain it alone in 30hours. the two pumps work together for a period of time and then the smaller...

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a large pump operating alone can drain a site in 20hours and a smaller pump can drain it alone in 30hours. the two pumps work together for a period of time and then the smaller...

I need to find the shorter, longer and the hypotenuse

A recipe for chocolate cake calls for 5 ounces of chocolate that is 40% cocoa solids. In her cupboard, Consuelo has some dark chocolate that is 70% cocoa solids and some milk chocolate that is 20%...

Two numbers have a sum of 65 . Four times the smaller number is equal to 10 more than the larger number. Find the numbers .

Find the pattern

Jimmy invest 4000 in an account that invest 2% annual interest compounded semi annually. What is his balance to the nearest cent at the end of 10 years

the cost of the tables and the chair

how do I answer this question step buy step

Is it possible for someone to reword the question? I'm really not good at stats and I'm not uderstanding what it means if "normality is violated"

A shopper's discount club charges a monthly fee of $15 and sells gasoline for $2.05 per gallon. The gas station across the street sells gasoline for $2.35 per gallon and charges no fee. How many gallons...

i had been confused, sometime the equation come to be x^2-3^2 then i always wrtie it into (x-3)^2 but the product is not same as (x-3)^2 is equal to x^2-6x+9 thus i realize that x^2-3^2=x^2-9...

word problem write a number sentence and solve

Slope:0 y-intercept 5

1-ax is width. 2x+1 is length. What expression gives the area, in square inches, of the decal, in terms of a and x?

Can you please set this up into a system of equations that I can use to solve in Excel. "a couple who just had a baby want to start saving for their child's college education...

Diborane, B2H6, was once considered for use as rocket fuel. The combustion reaction for diborane is: B2H6(𝑔)+3O2(𝑔) ⟶ 2HBO2(𝑔)+2H2O (𝑙)

i really need help withthis prombelm

V=1/3πr2h

An ice cream shop owner hires a clerk and informs him that the mean weight of scoops of ice cream should be 50 grams. The clerk weighs out seven ice cream scoops with the following weights in grams:...

determine g(x+a)-g(x) for the function g(x)=-4x^(2)-5x-5