Algebra
The use of letters to substitute unknown numbers to form an equation. Solve the equation to get the unknown number using different methods such as simultaneous equations and more.
Total questions 337600
Follow
ID1977778529
removed List 3 materials that have a negative value of temperature coefficient from Algebra 6 minutes ago
David Gambell [165]
made this change to the answer of Why do we appreciate the golden rectangle 45 minutes ago
ID1209434121
wrote the first answer to Why do we appreciate the golden rectangle 26 May 2012 13:26
ID0241247568
added What is the smallest digit can be made using the no 1073 to Algebra 26 May 2012 12:41
Answers
Ericbarnes
Mehtamatics
David Gambell
C2H5.OH
Maruha066iyercb
Edits
Ericbarnes
Bobo192
Mehtamatics
Mannydlr
Alcohen2006
Organization
C2H5.OH
Bobo192
Mehtamatics
Gaines Fox
Dfoofnik
Questions
Jhtigsi
Crystalsue1955
Jewel2536
Chykae
Wikiprofesh
Community
Mehtamatics
Mnormand
Redbug8241
Gaines Fox
Heenashah786
86 because you times -3 and 2 then you get -6. Then you times 10 and -8 and you get 80. Last thing is to add -6 and 80. You get...
Popularity: 6 • Tools: Recategorize
lateral oblique
Popularity: 6 • Tools: Recategorize
There are 3 feet in a yard so if you convert the measurements into feet it is easier to find the asnwer. So 4 yards and 1 feet is...
Popularity: 6 • Tools: Recategorize
Since one foot is 12 inches, you multiply 12 by 8 and add 11 getting you 96 plus 11 so 8 feet 11 inches is 107 inches
Popularity: 6 • Tools: Recategorize
Any 5 from 7 is (7 x 6)/2 ie 21.
Popularity: 6 • Tools: Recategorize
There are 3 feet in one yard so four feet is more than one yard. yes....
Popularity: 6 • Tools: Recategorize
Yes To check for divisibility by 11 take the number one digit at a time from the right hand end alternatively subtracting and...
Popularity: 6 • Tools: Recategorize
0.4 metres (1 foot and 3.75 inches)
Popularity: 6 • Tools: Recategorize
8x - 8y = 1 Add 8y to each side: 8x = 8y + 1 Subtract 1 from each side: 8x - 1 = 8y Divide each side by 8: y = x - (1/8)
Popularity: 6 • Tools: Recategorize
x^2+y^2=36
Popularity: 6 • Tools: Recategorize
P = 2(100 + W) and P = 6W so 200 + 2W = 6W making 4W = 200 so W = 50 cm.This suggests that in any rectangle with a length twice...
Popularity: 6 • Tools: Recategorize
11.66190379 cm
Popularity: 6 • Tools: Recategorize
if you write (type) it out... 4a-1=15add 1 to both sides4a=16divide both sides by 4a=4
Popularity: 6 • Tools: Recategorize
There are 12 inches in one foot, so 48 inches is equal to four feet and 55 inches is equal to 4 feet and 7 inches.
Popularity: 6 • Tools: Recategorize
It's the line that goes diagonal from upper left to lower right, through the origin. Two points on the line are (-1,1) and (1,-1)...
Popularity: 6 • Tools: Recategorize
5000 x (1.03)10 = $6719.58
Popularity: 6 • Tools: Recategorize
1.2 centimeters = 0.472440945 inches
Popularity: 6 • Tools: Recategorize
I walk 4 miles/hour...x 2= 8 miles...
Popularity: 6 • Tools: Recategorize
if it is a 2 inch square and the side lengths are doubled the side lengths would be 4. therefore 4+4+4+4=16 so the perimeter is...
Popularity: 6 • Tools: Recategorize
Base price is for a 1957 Corvette is $3,176.
Popularity: 6 • Tools: Recategorize
If you have the volume for the box you could figure it out. The formula for the volume of a box is V=LWH where V=volume, W=width,...
Popularity: 6 • Tools: Recategorize
The volume of cylinder 8 cm wide by 23 cm high is: 603.2 cm3
Popularity: 6 • Tools: Recategorize
45cm * 30cm = 1350cm2
Popularity: 6 • Tools: Recategorize
44 = 4 x 11 60 = 4 x 15 The GCF of 44 and 60 is 4.
Popularity: 6 • Tools: Recategorize
4/3 x pi x r3 = sphere4/3 x pi x 33 = 113.097 cu inch
Popularity: 6 • Tools: Recategorize
Parallelogram, rhombus, trapezium and any other q/lateral that is neither a square nor a rectangle.
Popularity: 6 • Tools: Recategorize
A cube is a geometric shape which has 6 faces and 8 vertices ie . 2 more vertices than faces
Popularity: 6 • Tools: Recategorize
The ratio of the circumference of a circle to its diameter.
Popularity: 6 • Tools: Recategorize
4.5 m = 450 cm 100 centimeters = 1 meter. The prefix "centi" means "one hundredth," so centimeter literally means one hundredth...
Popularity: 6 • Tools: Recategorize
Isohyet
Popularity: 6 • Tools: Recategorize
If a circle has radius r, the area of the circle is pi X r2 and the circumference of the circle is 2 X pi X r. Therefore, the...
Popularity: 6 • Tools: Recategorize
490.9 square inches for a 25-inch diameter circle.
Popularity: 6 • Tools: Recategorize
I'm trying to fined a way. because y'know i was sleeping in class, and have no idea how to do the homework. but till now, i found...
Popularity: 6 • Tools: Recategorize
All angles between 180 and 360 degrees are reflex angles.
Popularity: 6 • Tools: Recategorize
Because, if plotted on a Cartesian plane, all solutions to the equation would lie on a straight line.
Popularity: 6 • Tools: Recategorize
This is not a website where people just give you answers to your homework. However, many people would be happy to help you...
Popularity: 6 • Tools: Recategorize
yes. rectangles are just the special cases of parallelograms where the angles are all 900
Popularity: 6 • Tools: Recategorize
Number of sides is irrelevant, exterior angles always total 360o
Popularity: 6 • Tools: Recategorize
About 2/10 of a mile.
Popularity: 6 • Tools: Recategorize
Assuming the room is rectangular, the room is 18 x 10 = 180 square feet (180 ft2).
Popularity: 6 • Tools: Recategorize
circumference = 44 m radius = 44\2 (circumference\2) = 22m
Popularity: 6 • Tools: Recategorize
In a negative correlation as one factor is decreased, the other factor is increased.
Popularity: 6 • Tools: Recategorize
You can take out the perfect square 4:root(40) = root(4 x 10) = root(4) x root(10) = 2 root(10).
Popularity: 6 • Tools: Recategorize
8 and 2/3 mph
Popularity: 6 • Tools: Recategorize
Largest bond order:COCO2CO32-H3COHLowest bond orderapex answers
Popularity: 6 • Tools: Recategorize
All of the angles must also be the same
Popularity: 6 • Tools: Recategorize
Yes.
Popularity: 6 • Tools: Recategorize
6ft=1.8288 metres. 5ft=1.524 metres. So the answer would be 1.8288x1.524 if you need...
Popularity: 6 • Tools: Recategorize
There are 5280 feet in one mile. Therefore, 2500 feet is equal to 2500/5280 = 0.47348 recurring (that is, 0.473484848..) miles.
Popularity: 6 • Tools: Recategorize
x2+7x=-2x2+6 3x2+7x-6=0 (3x-2)(x+3)=0 3x-2=0 or x+3=0 x=2/3 or x=-3
Popularity: 6 • Tools: Recategorize
If you live in a town that has good water pressure and you are using your hose and your neighbor's hose, it should take 24 to 30...
Popularity: 6 • Tools: Recategorize
It is exactley 5600 miles per hour I disagree with the above. I get: 86,813,337,600 feet/second Mach 1 = 761.2 mi/h (x6) Mach...
Popularity: 6 • Tools: Recategorize
No. A function takes in values of no, one, or more input variables, and returns no or one result. It cannot return more than one...
Popularity: 6 • Tools: Recategorize
20x2 - 27x -8 20 * -8 is -160, and -32 and 5 add to -27 20x2 - 32x + 5x - 8 4x(5x-8) + 1(5x-8) (4x + 1)(5x-8)
Popularity: 6 • Tools: Recategorize
that would be the inverse of e to the plus infinityAnswer is thus zero
Popularity: 6 • Tools: Recategorize
Using the expression for tangent: tan(angle)=opposite/adjacent, and x to denote the height of the tree, we have tan(35)=x/24So...
Popularity: 6 • Tools: Recategorize
1 billion Hz = 1 billion cycles / sec = 1 x 10^9 Hz = 1 x 10^9 cycles / sec
Popularity: 6 • Tools: Recategorize
There are 100 centimetres in one metre. Therefore, 30 metres is equal to 30 x 100 = 3000 centimetres.
Popularity: 6 • Tools: Recategorize
Use: 2*pi*radius = circumference
Popularity: 6 • Tools: Recategorize
25
Popularity: 6 • Tools: Recategorize
Antecessors lived in Spain
Popularity: 6 • Tools: Recategorize
9,5,1 /861/852/843/771/762/753/744/663/654/555/ are all the whole number answers
Popularity: 6 • Tools: Recategorize
first square the first term then multiply the first and second term and multiply by 2 finally square the second term
Popularity: 6 • Tools: Recategorize
There are 25.4 millimetres in one inch. There are 12 inches in one foot. Therefore, 3 feet 6 inches is equal to (3 x 12 x 25.4) +...
Popularity: 6 • Tools: Recategorize
Precisely 2/13 mile per minute. Approximately 9.231 miles per hour. (rounded)
Popularity: 6 • Tools: Recategorize
They are perpendicular to each other.
Popularity: 6 • Tools: Recategorize
To find out how many square feet, multiply the length by the width. In this case, multiply 14 by 22. 14 x 22 = 308, so there are...
Popularity: 6 • Tools: Recategorize
The major axis is the line that joins the two foci (focuses) of the ellipse. If all you have is a picture of an ellipse and you...
Popularity: 6 • Tools: Recategorize
If x and y are two positive numbers, with arithmetic mean A, geometric mean G and harmonic mean H, thenA ≥ G ≥ Hwith equality...
Popularity: 6 • Tools: Recategorize
Over a trillion (1012).
Popularity: 6 • Tools: Recategorize
The log is the answer to the question, "To what power must I raise a number (the base) to obtain a certain other number?" In this...
Popularity: 6 • Tools: Recategorize
348 meters=0.348 kilometers
Popularity: 6 • Tools: Recategorize
2*pi*radius*length measured in square units
Popularity: 6 • Tools: Recategorize
'Min' level . . . the lowest it has been since you started watching it, or the lowest it's expected to be, or the lowest it's...
Popularity: 6 • Tools: Recategorize
The formula for the volume of a sphere is (4/3) * pi * (r * r * r), where r represents the radius. The radius is half the...
Popularity: 6 • Tools: Recategorize
90/8 = 11.25 = 11 rounded down 59/8 = 7.375 = 7 rounded down 11 x 7 = 77
Popularity: 6 • Tools: Recategorize
No. The order of adding vectors does not affect the magnitude or direction. of the result.
Popularity: 6 • Tools: Recategorize
1 foot = 12 inchestherefore19 feet = 228 inches
Popularity: 6 • Tools: Recategorize
The kilo-prefix means 1000, so: 1km = 1000m 1/1000km = 1m Thus to 17000m covert meter to kilometers divide by 1000
Popularity: 6 • Tools: Recategorize
