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 Test Calculators and Practice Answers archive Word Problems Lessons In Depth

 Question 217830: your friends house is 2 miles away from yours. You bike for 1/2 hour from you friends house in the opposite direction and end up 6 miles from home. about how long will it take to get home if you take the same route Click here to see answer by MathTherapy(1423)

 Question 218216: The value of the speed of light is now known to be 2.997 924 58 × 108 m/s. Express the speed of light a) with three significant figures. 1. 3 × 108 m/s 2. None of these 3. 2.99792 × 108 m/s 4. 3.00 × 108 m/s 5. 3.0 × 108 m/s 6. 2.997925 × 108 m/s 7. 2.9979246 × 108 m/s 8. 2.9979 × 108 m/s 9. 2.998 × 108 m/s Click here to see answer by stanbon(57332)

 Question 218218: Two points in a rectangular coordinate sys- tem have the coordinates (5.7 cm, 7.2 cm) and (−3.1 cm, 6.4 cm). Find the distance between these points. Answer in units of cm. Click here to see answer by Alan3354(30993)

 Question 218493: what is the positive or negative percentage change in the area of a rectangle when the base is increased by 10% and the height increased by 20%? Click here to see answer by tlouvierre(4)
 Question 218493: what is the positive or negative percentage change in the area of a rectangle when the base is increased by 10% and the height increased by 20%? Click here to see answer by checkley77(12569)

 Question 218489: The area of the rhombus is 96 ft. Convert to inches. Click here to see answer by MathTherapy(1423)

 Question 219182: what is the only pair of consectutive integer whose square roots are also consecutive integer Click here to see answer by josmiceli(9674)

 Question 219181: compute all possible ordered pairs of positive integers (x,y)which satisfy xsquared- ysquared=45 Click here to see answer by solver91311(16877)

 Question 220085: The temperature is 20 degrees celsius. what is it on the fahrenheit scale Click here to see answer by rfer(12657)

 Question 218215: A farmer measures the distance around a rect- angular field. The length of each long side of the rectangle is found to be 44.78 m, and the length of each short side is found to be 22.5 m. What is the total distance around the field? 1. Two significant figures (130 m) 2. Five significant figures (134.56 m) 3. Whole number (135 m) 4. Tenths (134.6 m) 5. Three significant figures (135 m) 6. Hundredths (134.56 m) 7. Four significant figures (134.6 m) 8. None of these Click here to see answer by susanaramya(12)

 Question 220163: Consider the function f(x)= 2-4^2 , -4 what is the absolute maximum value and when does this occur?(x=?) what is the absolute minimum value and when does this occur? Click here to see answer by stanbon(57332)

 Question 220452: Solve the following equation for R1: 1/R= 1/R1 + 1/R2 Click here to see answer by checkley77(12569)

 Question 220874: hello, i am in 10th grade, advanced algebra, and i need helpz with dis... a+b, for a = 1, and be = 2 so if im correct its 1+2???? but wth is the answer? Click here to see answer by jim_thompson5910(28593)

 Question 220862: Please help me solve this problem: Suppose your mom pays you to make a new dining room table for apartment. She tells you that the length of the table should be 3 feet more than twice its width. She also tells you that the area of the rectangular table top is 2w^2+12 square feet. What are the length and width of the table? Please explain! thankyou so much!!!!!!!! Click here to see answer by checkley77(12569)

 Question 220861: Please help me solve this problem: Suppose your mom pays you to make a new dining room table for apartment. She tells you that the length of the table should be 3 feet more than twice its width. She also tells you that the area of the rectangular table top is 2w^2+12 square feet. What are the length and width of the table? Please explain! thankyou so much!!!!!!!! Click here to see answer by checkley77(12569)

 Question 220859: Please help me solve this problem: Suppose your mom pays you to make a new dining room table for apartment. She tells you that the length of the table should be 3 feet more than twice its width. She also tells you that the area of the rectangular table top is 2w^2+12 square feet. What are the length and width of the table? Please explain! thankyou so much!!!!!!!! Click here to see answer by scott8148(6628)

 Question 221073: hannah can paint a room in 8hrs. Miley can paint it in 10hrs. working together, how many hrs would it take them to paint the room? Click here to see answer by Alan3354(30993)
 Question 221073: hannah can paint a room in 8hrs. Miley can paint it in 10hrs. working together, how many hrs would it take them to paint the room? Click here to see answer by scott8148(6628)

 Question 221077: compute the sum of the first 100 positive odd integers Click here to see answer by scott8148(6628)

 Question 221084: if the nine-digit integer 3365097 ab is divisible by 72. find the possible ordered pairs of digits (a,b) Click here to see answer by ankor@dixie-net.com(15649)

 Question 221118: compute the smallest positive integer x for which (180*x) is a perfect cube an obtuse triangle has 2 sides of lengths 8 and 11. compute the number of possible integral length of the third side Click here to see answer by Alan3354(30993)

 Question 221114: what are all ordered pairs of a numbers (x,Y) which satisfy both x(x+y)=9 and y(x+y)=16 Click here to see answer by drj(1380)

 Question 221116: Rus and dufus each took some money froma piggy bank to buy an ice cream cone but rufus was 24 cent short and dufus was 2 cent short of the price of cone. they decided to pool their resources, but found they still could not afford to buy the cone. how many cents did the ice cream cost? Click here to see answer by ankor@dixie-net.com(15649)

 Question 222452: The lenght of a retangle is 3 cm longer than twice the width.the area of the retangle is 90 cm ^2 Click here to see answer by user_dude2008(1861)

 Question 222903: m= -6, What is -2m^2 ? it is either 72 or -72, do you square just the 6 or do you square the negative which makes it a positive number? Click here to see answer by solver91311(16877)

 Question 224006: An equalateral triangle has three sides of equal length.what is the equation for the perometer of an equalateral triangle if P= perimeter and S=length of a side? Click here to see answer by drj(1380)

 Question 224047: a car is driving at a speed of 60 miles per hour. what is the speed of the car in feet per minute? Click here to see answer by drj(1380)

 Question 224051: the french club is sponsoring a bakesale. if their goal is to raise atleast \$140,how many pastries must they sell at \$3.50 each in order to meet their goal? write and solve an inequality Click here to see answer by LtAurora(115)

 Question 224054: suppose you atart with atleast \$52 in your savings account and deposit \$27 each week. write an inequality to describe how much money m you will have after w weeks. If you do this for 11 weeks, will you have enough to buy a bike \$340? explain. Click here to see answer by rapaljer(4667)

 Question 224339: Me and my friend are trying to do this problem but have no clue how to do it. Here's the problem: Use the Intermediate Value Theorem to show that there is a root of the equation in the interval [-2,-1] We have a very vague understanding of what that theorem means but we only worked with letters never an actual equation. Could you please help us? Thanks in advance. =) Click here to see answer by nerdybill(6958)

 Question 224610: A boat travel 30 miles upstream against the current in the same amount of time it take to travel 42 miles downstream with the current. If the rate of the current is 4MPH, what is the rate of the boat in still water? Click here to see answer by checkley77(12569)

 Question 225020: Find the equation of the line that contains the point (0, –7) and has the slope –5. Click here to see answer by rfer(12657)

 Question 225023: Find the equation of the line containing the point (4, 25) and perpendicular to the line . Click here to see answer by Alan3354(30993)

 Question 221844: Need some help with this one please. Place in ascending order and determine the maximum and minimum values. 3, 0, 1/2, -2/3, 5, 3/4, -1/6 Click here to see answer by Alan3354(30993)

 Question 225022: Find the equation of the line that contains the points P1(–8, –12) and P2(9, –12). Click here to see answer by drj(1380)

 Question 225057: Graph y=x/2-3 by using the slope and y-intercept. Click here to see answer by drj(1380)

 Question 225051: Find the equation of the line containing the point (4, 25) and perpendicular to the line 11x+55y=-12 . Click here to see answer by drj(1380)