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Question 884547: in 2000, the population of the united states was 286.75 million and the exponential growth rate was 1.3% per year
a) Find the exponential growth function.
b) Predict the U.S. population in 2005.
C) when will the world population be 8.0 billion?
Formula I think to use: P(t) = P0e+%5Ert

Click here to see answer by nerdybill(7384) About Me 

Question 886117: HI,
This is just a question. Is there are math books that you recommend for a year 9 student. If you have a book coukld you please scan the whole thing and send it to me through a PDF
Regards

Click here to see answer by Alan3354(69443) About Me 

Question 891706: Add 7 to the product of 5 and b
Click here to see answer by Tatiana_Stebko(1539) About Me 

Question 892508: show that 27 * 23^n + 17 * 10^2n is divisible by 11 for all positive integers n.

Click here to see answer by robertb(5830) About Me 

Question 892730: The length of a rectangle is 3cm more than its width it has an area of 475cm (squared)
what is the width to 1 decimal place?
Please help! :) thank you

Click here to see answer by Fombitz(32388) About Me 

Question 893390: 2/3 of the girls travel to school by bus. the total number of boys and girls who travel to school by bus is 30.
how many girls travel to school by bus?

Click here to see answer by science guy(2) About Me 

Question 895863: 1 3 5
2 4 ?
ans is not 6...
what's that number?

Click here to see answer by richwmiller(17219) About Me 

Question 899186: Determine the slope of each line or linear function from the given information
*The line passes through (5,0) and is perpendicular to x=-1
(Please explain, step by step, I'm having real trouble with this one)

Click here to see answer by reviewermath(1029) About Me 

Question 901775: What is my number? I am a three digit whole number. I am divisible by 5. I am an even number. each of digits is different. My tens digit is greater than my ones digit. My hundreds digit is greater than my tens digit. I am less than 400. I am divisible by 3. I have only one odd digit. My tens digit is 1.
Click here to see answer by Edwin McCravy(20055) About Me 

Question 902601: Would the number of apples purchased to the cost of the apples be a relation that is a function?
Click here to see answer by Theo(13342) About Me 

Question 902568: A man loses 50/3 % on cost. how much does this represent on sales
Click here to see answer by Theo(13342) About Me 

Question 902985: solve
x^2+100x-2000 or x^2+100x-2020

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Question 908111: if 125^x = 25/5^x, find x
Click here to see answer by josgarithmetic(39617) About Me 
Question 908111: if 125^x = 25/5^x, find x
Click here to see answer by MathTherapy(10552) About Me 

Question 908951: Rationalize the numerator.
root(3,2/3)

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Question 911519: anna is ten years older than betty
Click here to see answer by Alan3354(69443) About Me 

Question 911628: given points A(0,0), B(2,-1) and C(-2,2), find the distance from B to the midpoint of AC.
A)square root 13
B)13
C)square root 10
D)3
couldnt find the square root symbole so i type the squre root

Click here to see answer by MathLover1(20849) About Me 

Question 911630: find the ordered pairs that are both solutions of the given equation: 3x=5y+2
A)(5,3) and (4,2)
B)(0,-1) and (-6,-4)
C)(1,1/5)and (4,2)
D)(0,1) and (-6,4)

Click here to see answer by MathLover1(20849) About Me 

Question 911631: if the sum of a number and 5 is multiplied by 4, the result is same as 5 times the number increased by 15. find the number.
A. 55
B. 1
C. 35
d. 5

Click here to see answer by ewatrrr(24785) About Me 

Question 914910: How to find 41*41*41*41*41*41*41*41=?
Click here to see answer by rfer(16322) About Me 

Question 917830: f(x)= x+4/x-2 find f^-1(y) So find the inverse. Then what is the range of f(x)?
Click here to see answer by MathLover1(20849) About Me 

Question 918860: Given f(x)=3x+2 And g(x)=x^2+x-1, Find (f+g)(x)
Click here to see answer by asuar010(338) About Me 

Question 921584: Solve the system of equations:
1/2x - 2/3y = 8
3/20x - 1/5y = 2 2/5

Click here to see answer by Alan3354(69443) About Me 

Question 923669: simplify:
2/x-2 - 4/(x-2)^2

Click here to see answer by MathLover1(20849) About Me 

Question 925979: if P^3+3P^2+3P=7, then the value of P^2+2P is
Click here to see answer by josgarithmetic(39617) About Me 

Question 926191: Q1= if 3 a^2 = b^2 (≠) 0 , then the value of
[(a+b)^3-(a-b)^3]/[(a+b)^2+(a-b)^2]

Click here to see answer by Edwin McCravy(20055) About Me 

Question 926196: Two circles C1 and C2 touch each other internally at P. Two lines PCA and PDP meet the circles C1 in C,D and C2 in A,B respectively. if angle BDC = 120, then the value of angle ABP is equal to
Click here to see answer by Edwin McCravy(20055) About Me 

Question 926190: Q1= if 3 a^2 = b^2 (≠) 0 , then the value of
(a+b/)^3 - (a-b)^3 / (a+b)^2 +(a-b)^2

Click here to see answer by Edwin McCravy(20055) About Me 

Question 927696: Solve the formula for the specified variable.
A = P + Prt; P (business)
P=?

Click here to see answer by KMST(5328) About Me 

Question 928309: Roots of ax^2+bx+c=0 are alpha and beta then find 1/alpha+1/beta.
Click here to see answer by richard1234(7193) About Me 

Question 931565: How many numbers are greater than 76 but less than 89
Click here to see answer by ewatrrr(24785) About Me 

Question 938369: A stereo store marks up each item it sells 60% above wholesale price. What is the wholesale price on a cassette player that retails at $144?
Click here to see answer by ewatrrr(24785) About Me 

Question 941491: The greatest common factor of 12m^5n^3 + 18m^3n^3 - 24m^2n^3 is Am^Bn^C , where A,B and C are whole numbers?
record the values of A,B,C in the numerical response box from left to right.

Click here to see answer by nerdybill(7384) About Me 

Question 946048: identify the conditions on x that make the following statement true, if they can be made true at all:
9^x > 1
9^x < 1
9^x = 1
9^x = 0
9^x < 0
I'm sure how to answer to this.

Click here to see answer by Fombitz(32388) About Me 

Question 947558: A borrower avails a loan from the bank at a rate of interest of 10%, compounded annually. He refunds back 50% of the principal after the end of the first year and at the end of second year he clears the balance of the principal as well as the total interest amount of Rs. 1280. What is the principal amount of loan?
Click here to see answer by Theo(13342) About Me 

Question 955490: A man is hauling a box of mass 100 kg up a 35º incline by a rope attached to the
top of the box. If the rope makes an angle of 20º to the incline and
the coefficient of friction between the box and the incline is 0.65, calculate the
force applied by the man to keep the box moving at constant speed.

Click here to see answer by KMST(5328) About Me 

Question 957771: Find the area of the regular polygon. Give the answer to the nearest tenth. Pentagon with a side of 6 ft
Click here to see answer by macston(5194) About Me 

Question 961897: Which ordered pair is the vertex of y=|x-3| + 2
Click here to see answer by lwsshak3(11628) About Me 

Question 969837: Referring to the figure, given
triangle JKL∼triangle RST, find KL



(This is the website where the picture is on)
http://www.ppstest2.com/images2/MP6002.jpg

Click here to see answer by Edwin McCravy(20055) About Me 

Question 970621: Y=AVERAGE(3,5+2,3+4)+(5+20*4)/(12+2)MOD5
Click here to see answer by Alan3354(69443) About Me 

Question 970572: A liquid level measuring system is shown in Figure below. If the output current is 14 mA, determine the liquid level in the tank. The density of liquid is 1026 kg/m3 and g = 9.8 m/s2
Click here to see answer by Alan3354(69443) About Me 

Question 974909: a one way bus ticket cost $25.two way bus ticket cost $35. a cashier collected
$560 altogether from the sale of 20 tickets
.how many one way tickets were sold?

Click here to see answer by harpazo(655) About Me 

Question 974908: a one way bus ticket cost $25.two way bus ticket cost $35. a cashier collected
$560 altogether from the sale .how many one way tickets were sold?

Click here to see answer by harpazo(655) About Me 

Question 976664: If |x-2|=o then x equal to
Click here to see answer by Fombitz(32388) About Me