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Guido
Questions (5)
How many sub teachers can really say that they are happy
working as a sub teacher? Look deep inside and honestly answer the
1 answer
512 views
I was wondering how sub teachers survive during the long
summer months when there is no pay, especially if you live alone and
1 answer
1,169 views
I think a good math teacher is someone who can explain math topics at the level of students.
A good math teacher is someone who
8 answers
1,514 views
Those of us who love math certainly know two basic facts about Mr. Gottfried Wilhelm Leibniz:
(1) He and Newton (our calculus
44 answers
2,406 views
I would like to know how many of the people answering math questions here are current math teachers, were math teachers at one
22 answers
1,619 views
Answers (189)
Multiply all numerators and all denominators together. Then, reduce the fraction, if needed. Multiplying numerators: 3 x 1 x 2 = 6 Multiplying denominators: 4 x 2 x 3 = 24 We now have this new single fraction: 6/24 Can we reduce this fraction? Yes, we can.
Reiny, Isn't it true that both men "invented" calculus independently, though Newton discovered it first? For some reason, they often argued, mathematically speaking.
We have a fractional equation: 5/8*t + 2/15*t = 17/20 Our first goal is to find the LCD. What is the LCD of 8, 15 and 20? How about 120? Yes, LCD = 120. We now multiply each term on BOTH sides of the fractional equation by 120 to do away with ALL the
You were given: Find a number such that 32 is 60% of the number. NOTE: Decimal answer rounded to nearest tenth. Let x = number we want to find The word [of] means to MULTIPLY in math. The word [is] means EQUAL. We now have this equation: 32 = 0.60(x)
Let x = original budget Formula to use: amount spent = given percent times x $3000 = 1.25(x) Divide both sides by 1.25 to find x. $3000/1.25 = x $2400 = x
I want to expand drwls' reply. First, convert 2 miles to feet. If 1 mile = 5280, then 2 miles = 10,560 feet. Secondly, you must re-arrange the given formula because we are looking for an angle NOT height or distance on ground. Let t = theta FOR SHORT.
Those are the rules for multiplication of signed numbers.
It is a "sector" of a circle with two radii and a small piece of the circle that we call a sector. Damon is right.
A half-moon-shaped.
We have the decimal number: 15.35, which becomes 15(35/100). The fractional part can be reduced. What is the biggest number that can evenly fit into 35 and 100 without a remainder? How about 5? 35/5 = 7 100/5 = 20 Final answer: 5_7/20 =============== The
Question 1: 92 - 4 = 88; y = 22 88 - 4 = 84; y = 21 84 - 4 = 80; y = 20 80 - 4 = 76; y = 19 76 - 4 = 72; y = 18 72 - 4 = 68; y = 17 What's the answer? When x = 68, y = 17. ==================== For question 2: IF Y = X-19, WHAT IS THE VALUE OF X WHEN Y= 34.
s = 2 + 4 + 6 + 8 + 10 s = 30 t = 1 + 3 + 5 + 7 + 9 t = 25 Then: s - t = 30 - 25 s - t = 5 Done!
If you think about it, 1/5 is really 5^-1, which is read "five raised to the negative one." 125 becomes 5^3. We needed to have the SAME BASE of 5 on BOTH sides of the exponential equation. We now have this: 5^-1(x - 2) = 5^3 NEXT: Remove the parentheses
We have trig identities. cscx - sinx to cotx(cos x). cscx is the reciprocal of the sine function. So, then: cscx = 1/sinx We now have: 1/sinx - sinx...Treat this like a fraction case. 1/sinx - sinx becomes (1 - sin^2x)/sinx Of course, (1 - sin^2x) is one
What is �ã mean????
Retype your question.
This has nothing to do with inequalities. You are simply looking asymptotes. First of all, what is an asymptote? You need to know the definition of math terms. An asymptote is a boundary line that a graph gets very, very, very close to but NEVER (say
bobpursley, How can you factor x^2 + 9 into (x - 3) (x + 3) when there is a PLUS sign between x^2 and the constant 9? Get my point?
Kay, I think Mel is looking for an answer in a different base system. Mel, what base are you talking about? If you are takling about base 10? If so, then the answer is 2. OR... Are you talking about base 3, base 4, base 5, which one?
We have this: 10^7 * 10^3 ------------- = 10^4 * 10^-9 We can multiply the numerators and denominators as step one, if you'd like. 10^7 * 10^3 = 10^10 = our numerator. 10^4 * 10^-9 = 10^-5 = our denominator. We now have this fraction: 10^10/10^-5 Since we
I want to say what Damon said in a different way. In the y-intercept equation y = mx + b (an equation that represents linear functions), the domain is ALL REAL NUMBERS going from negative infinity to positive infinity; the range is also ALL REAL NUMBERS y.
We have composite functions here. You are given: If g(x)= 3x-8, find g[g(-4)]. By the way, g[g(-4)] can also be written g(g(-4)) and it's read: "g of g of negative four." We are looking for g of g of x first. To do so, replace x in (3x - 8) with the value
3b. Pick any two points on the line and find the slope of the line. The slope is a numerical value that describes just how slanted a given line is. Here is is an example of finding the slope of a line. SAMPLE: Given the points (3, 4) and (8, 9), find the
3a. The y-intercept is found when you set x to = 0. The y-intercept is the point where the graph of the line crosses the y-axis. SAMPLE: In the equation y = 3x + 5, what is the y-intercept? It is the point (0,5). Do you see number 5? That number represents
Do what I said. Use the quadratic formula or completing the square. You can search the net for many math sites that easily teach you about the quadratic formula and/or completing the square.
Go to your local public library. They have the guides plus plenty of material that will help you prepare for the exams. I took the LAST in April 2001 and scored very high on it. You can also go to the UFT. They offer training courses for a reasonable fee
Multiply: 248 times 63 = 15,624
Okay, you want to factor this equation, right? We have this: y^2 - 4y - 2 = 0 You can use the quadratic formula or completing the square to solve this question.
We have: sqrt{60} = We have to break the radicand down (our 60). What two numbers (one of them must be a perfect square) multiplied together will produce 60? How about sqrt{4} times sqrt{15}? Yes, sqrt{4} times sqrt{15} = sqrt{60} and the sqrt{4} is a
I answered this question. You need to be more specific, please.
We have a quadratic equation here. Do you want to factor this equation? What exactly do you want to do with this equation?
If that is the case, then this should be a new question and thus a new topic.
We use sine = opp/hyp Let x be the height of the slope that we are seeking. sin(25.2 degrees) = 1808 feet/x Multiply both sides by x and we get: sin(25.2 degrees)(x) = 1808 feet Next: Divide both sides by sin(25.2 degrees) to find x. x = 1808 feet/sin(25.2
x + 4 (x + 3) This is not a FOIL situation. You must first clear the parentheses. 4 times x = 4x 4 times 3 = 12 We now have: x + 4x + 12 Combine like terms is our next step. x + 4x = 5x Final answer: 5x + 12 Done!
You have to tell us what 31.4cm represents. Does it represent the radiu or diameter? Which one? 78.5 squared means to multiply 78.5 by itself. 78.5 x 78.5 = 6162.25 What does 6162.25 have to do with 31.4cm? Please, clarify your question.
Do you have a sample question?
Use the factor tree method to solve both questions.
Do you have sample questions?
Do you have a question for me?
87 x 86 x 85 x 84 x 83 = ???
This is not a math question.
What is spens? This is not a math question.
Graph all the points given on the xy-plane. If you get a picture of a KITE, then the answer is yes. Of course, I graphed all the points for you and determined that the given 4 points form a picture of a kite. Done!
Can I break what down step by step?
Damon, I got the same answers except I replied using fractions.
Here is some information for you: There are 86,400 seconds in one day. There are 3 feet in one yard = 36 inches in one yard. 3/86,400 = 1/28,800 days. 2/36 = 1/18 inches. Is this what you wanted?
Mike, After doing the question again, I realize that 4x - x^2 is not one-to-one. Hence, it has no inverse function. Sorry....The answer is: NO INVERSE FUNCTION HERE.
I already answered this question. All fractions are rational numbers.
A rational number is a number that can be written as a fraction. 14/3 is an improper fraction and thus rational.
Yes, you can. Here is a sample literal equation. Solve for h. h + rt = j Subtract rt from both sides to find h. h = j - rt Done! I just solved for h, which is a variable. Solving for variables is very common in the world of algebra.
