
Math
OK :)The 3 classifications of triangles by their sides are:equilateral: all three sides are the sameisosceles: two sides are the samescalene: no sides are the same  all 3 are different...

Math
With the numbers you gave, it is simply 24:5If it was 25 inches to 5 inches, then you would be simplifying. The ratio of 25:5 is the same as 5:1. However, since 5 doesn't go into 24 evenly you...

Math
TThe ratio of boys to girls is 12 to 16, 12:16 or 12/16 (all different ways this can be written). The fraction form 12/16 can be reduced by dividing by the greatest common factor. Both 12 and 16...

Math
This is proportional math.1760 yards = 1 mileX yards = .75 mileWe agree that 3/4 is equal to .75? So X is then number we are missing? With proportions, you cross multiply, and then divide by...

Math
You do not need to write the unit, if you are asked for a ratio. It is 11:5, cashews to peanuts (by weight). If you had 16 pounds of nuts with 11 lbs. cashews and 5 lbs peanuts, the ratio would...

Math
The probability of picking a pen first is 4/11. If that occurs, the probability of then picking a pencil is 3/10 because there are only 10 things left in the drawer. The probability of both those...

Math
Be careful not to put numbers in the numerator that shouldn't be there. 30 should indeed be the new denominator; you then have 1/2 = 15/30, 2/3 =20/30, and 3/5 =18/30. Adding the fractions, you...

Math
The rate this individual is running is 100m per 15 seconds (distance/time). So, in order to run 1,000m, or 1 kilometer, it would take 150 seconds (15seconds x 10). 150 seconds is equal to 2.5...

Math
60:35 = 40:X 60X = 35(40) 60X = 1400 X = 1400/60X =23.33% That a woman will spend between 1020 dollars.

Math
Factorials are not too difficult, and are actually sort of fun. The way that you get the answer is by multiplying the number one by two, then that amount by three, then that amount by four all the...

Math
You can find integer drill and answer sheets at the link below. Try not to make this too complicated. "Integer" just means "number." Multiplication and division of integers...

Math
MATHEMATICS There are 2 m's and 2 a's so your probabilty of drawing either would be 4/11. Once you draw one out that would leave 10 letters so your probablity of drawing a "c" would be...

Math
The answer would really depend on how many numbers are on the cube. If the cube is numbered 16 then the answer two your first question would be 2 out of 6 or 1/3..The second answer would be 4...

Math
There are six possibilities for where the spinner will stop. To figure out any particular chance, count how many times out of 6 it could happen. 1) Any one number  such as 3  has a probability...

Math
We can have the mid value of the class intervals and the price per lb tabulated. The blow 1lb is taken as 01clas and 4and above is considered 45 class. The mid values and the price/lb is...

Math
1/2 x + 1/3 y= 1000 equation 1 1/2 x + 2/3y = 1250  equation 2 x+y= 2150  equation 3 Profit= 7.82x +6.67Y  4 (1)  (2)  1/3y= 250 y= 750 sub. y=750 into (2) 1/2 x + 2/3 (750) =1250 1/2 x +...

Math
To find the mean (average) you must first add all the numbers together. Your sum should be 724. Then you divide by the number of scores (8). The Mean is 90.5The median is the middle number....

Math
The librarian should be able to get 360 books on these 6 shelves which are 10 feet long. First you multiply 12 inches by 10 feet. That gives you 120 inches. Multiply 120 inches for each shelf by...

Math
An alternate approach to proving this identity involves using the "unit circle" (radius = 1). Since the radius is also the hypotenuse of the right triangle formed by the angle...

Math
The formula for measuring the volume is, l x b x h, where l stands for length, b stands for breadth and h stands for height.So, the voume of the hallway is 10 x 35 x 4 = 1400 cubic feet

Math
I'm confused here  what, exactly is the question? Are we putting the cone inside the cylinder or what?

Math
16000 x .03 = 480Her commission is $480. This is the base number times the percentage written as a decimal.900 + 480 = $1,380Her commission plus her salary is $1,380

Math
$300 borrowed for 1 year at 6% incurs an interest of $300*0.06 = $18. The total amount including the principal and the interest is $318. $5,000 borrowed at 7.5% for 6 months incurs an interest of...

Math
For markup  you can also add the percentage to the original price 100%. Dress $28.26 X 150% = 28.26 X 1.5 = $42.39Lamp $19.50 X 165% = 19.50 X 1.65 = 32.175 = $32.18

Math
A price ceiling is a fixed price established by the government that limits how much can be charged for an item. For example, the government could rule that $5.00 is the maximum price that can be...

Math
Simply multiply the price by the remaining percentage to be paid. For eample, 15.95 x 70% pr 15.95 x .70 = 11.165.You would be paying for 80% of the full price in question two, so 30.95 x .8 = 24.76

Math
It might help you to know that a percent is the same number starting in the onehundredths decimal column. So, 5% is .05 and 5.5% is .055. To find what 5% of something is, multiply it by .05Also,...

Math
Both of these are simple percentage problems. Your percentage formula is, as always:p/w=%/100where the part of the whole is equal to the percentage over 100.So in this case, your part for number 1...

Math
25% of 90 is what number? .25 times 90 equals 22.57% of 80 is what number? .07(80) = 5.6N% of 3.8 is 38? n%(3.8) = 38; n= 38 divided by 3.8 ; n = 10%70.6 is what percent of 635.4; 70.6=...

Math
1kg=1000g. When converting Kg to g you need to move the decimal place 3 spaces to the right. So 83.7kg = 83700g

Math
When converting a decimal to a percent, move the decimal point 2 places to the right then add a percent sign. 1) .87 = 87%When converting a mixed number to a percent you must first make it an...

Math
1)11% of 16 2)48% of 155 3)24% of 390 4)315% of 52 A percentage is a number or ratio expressed as a fraction of 100, For example 11% will be 11/100. 1)11% of 16 16*11/100 16*0.11 1.76 2)48% of...

Math
1) 45/2 = X/5; 2X = 5 times 45 or 225; x= 225 divided by 2; X = 112.5 miles2) 670/40 = 586.25/X ; 670X = 586.25 times 40 or 23450X = 23450 divided by 670 ; X = 35 hours

Math
1) 4.24/8.5 = 2.5/n ; 4.25 N =2.5 times 8.5 ; N = 21.25 divided by 4.25 ; N = 52) Slope = 6/0 9/1 12/2 15/3 That means you go over 0 up six; over 1 up 9 and so on.3) 12yds/1 day = Xfeet...

Math
In dividing fractions you first have to make all numbers improper by multiplying the denominator by the whole number and add it to the numerator. You invert the second fraction and multiply then...

Math
Number 1 is an algebric equasion which means you isolate the varible. What you do to one side you must do to the other. You begin by adding +4 1/4 to each side. Then you divide 12 1/4 by 5 1/2....

Math
If one leg of a right triangle is 45 meters, and one angle is 80 degrees, then the other angle is 10 degrees. The unknown leg is 45 * tan(10). It is unclear from the question whether we want to...

Math
This problem has a deceptively simple solution. Notice that 5.1 = 1.7 X 3 and 15.3 = 1.7 X 9 If 1.7 cm = 200 m, then the answers would be 3 X 200 m or 600 m and 9 X 200 or 1800 m

Math
In this problem it could be helpful to work backwards. If on Thursday the store received 15 gallons which brought them to a total of 22, then 2215=7 so on Thursday they started out with 7...

Math
On Monday afternoon, the store sold 1/2 of its supply of bottled water. On Tuesday, it sold 5 gallons of water. On Wednesday, it sold 12 gallons. On Thursday, the store recieved a 15gallon...

Math
I agree that rational numbers can be written as the ratio (fraction) of two integers. Irrational numbers are nonrepeating, nonterminating. 0.60719001 terminates and can be written as a fraction...

Math
The answer is 900. Simply multiply 22.4 ( .5 x 35) by 40 to get the answer. You can remember this by the acronym PEMDAS. This is the order in which you do the problem (also known as "order of...

Math
The answer is Zero, but I suspect you knew that before you posed the question. We can simplify this problem without resorting to calculus. Recall that lim x>infty(f(x) + g(x)) = lim...

Math
When the student scored 72%, (100  72)/100 = 28% of the marks were not scored. 28% is 3% more than the 25% of the maximum. According to the information provided in the problem, this 3% of the...