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11 Answered Questions for the topic Alberga

EXPONENTIAL EQUATIONS & FUNCTIONS

A culture of bacteria doubles in weight approximately every 2.5 hours. The number of bacteria after t hours later can be approximated by 𝑁(𝑡) = 175(2.5)t a) How many bacteria would there be... more

08/22/18

math word problem

define variables, write an equation, and then use the equation in the solving process. A building has a ramp to its front doors to accommodate the handicapped. If the distance from the building to... more

04/03/18

If 2 sweaters cost $28.50, how much would 9 sweaters cost?

I need help answering the question 
Alberga

01/31/18

The sum of $90 is shared between Pete and Petra so that Petra gets $15 more than Pete. How much does Petra receive?

The the that the the the the
Alberga Math Science

11/16/17

Four times a number equals 28. Find the number

Need help with HW
Alberga

12/11/16

(2,5) and (8,-7)

determine the equation of the line passing through the given points. write your answer in the form y=mx+b
Alberga

06/03/16

I need of math help

4 cos^2 theta = 1 for 0 (degrees) less than or equal to theta less than or equal to 360 (degrees).

10/04/15

word Problem

A jet flew at an average speed of 480mph from Point X to Point Y. Because of head winds, the jet averaged only 460mph of the return trip, and took him 45min longer. How many hours was the flight... more

07/10/15

Compound Interest question :/?

So Ive worked out the example question and the compound interest formula is A=P(1+r/n)nt .   After inputting: A=8000(1+ 0.09/4)4*55  I get 8000(1.0225)220 .    It says the total will be... more
Alberga

05/01/13

help me with this please

Robert works at a car dealership. Each month, he receives a base salary of $1,617.00, plus a commission of $284.00 for each vehicle he sells. Which of the following equations could be used to... more

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