Do I multiply or divide? Not rated yet
nita makes 8 trays of sticks, using 216 sticks for each. how many sticks did she use?
Multiply 8 with 216 should give you the answer to how many sticks …
speed, time & distance Not rated yet
a train cover a distance of 780 km at the speed x km/hr. had the speed been (x-5) km/h the time taken to cover the same distance would have been increased …
Synthetic Division Help? Not rated yet
How do you divide 4x^4-5x^3-11x^2+20x=12 by x+2? Please explain, I don't just want an answer I want to know how to do this. All the examples I found …
Maths Problem Sum Not rated yet
Not sure whether is this the right place to post my questions.
motion Not rated yet
A motorist averages 30 kph on ordinary roads and 12 kph on roads under repair.
His average speed for a distance of 50 km is 24 kph. What length …
permutation Not rated yet
My question is that, In how many ways can 5 people line up in a group picture if the 2 want to stand next to each other?
How to compare the wastage of a wheel Not rated yet
I have been using different type of abrasive cutting wheels for my day to day jobs.
I want to find-out which brand wastage is much less compared …
algebra Not rated yet
the question is 6.9 equals 45 whats the value of it
Word Problems, Grade 9 Not rated yet
Ashlee had 10$ less than three times as much money as jessica had. Ashlee gave Jessica $20 so that Ashlee had exactly twice as much money as Jessica. …
mean numbers Not rated yet
The mean age of 3 people is 42.
Another friend joins and the mean age drops to 40.
What is the age of the new friend?
fractions Not rated yet
3 friends share 4/7 pizza, how much does each friend get?
Surds GCSE Higher Question Not rated yet
Surds GCSE Higher Question
Please submit your answer here or on the FB wall, thank you in advance folks!
accounting Not rated yet
If total assets increased $150,000 during the year and total liabilities decreased $80,000, what is the amount of owner's equity at the end of the year? …
ALGEBRA QUESTIONS Not rated yet
1. If x + 1/x = 2 find 8 x3 = 1/x3
2. If X= 2-21/3 +22/3 FIND X3-6X2-18X+18
3. IF X2+Y2-4X-4Y+8 …
CRACK THE CODE. Not rated yet
FIND THE VALUES OF THE FOLLOWING,( NUMBER 2 IS NOT IN THE FINAL CODE )
A + B = 9
A + D + E = 6
E + F = 7
C + D =2
A X E = 4
percentage Not rated yet
Hello, I have a question on percentages. Any help would be appreciated
In an exam in which full marks were 500,
A got 10% less than B.
B got 25% …
what is circumference Not rated yet
how do you work out:
d=4 what is the circumference
if d=4, then the r which is radius is half of d, is 2.
So, the answer is …
Area and Volume Not rated yet
The volume of a cone is 512/3.
The cones length and radius are equal. Calculate the length and the radius
2y=12x-3 Rearange into y=mx+c Not rated yet
Rearrange this equation into the form y=mx+c.
Answer to this Sally:
Divide the whole line by 2 will cancel the left side. Hence looking …
26.5% of 123 Not rated yet
How do you do this problem step by step.
26.5% of 123
26.5 × 123 = 3259.5
3259.5 ÷ 100 = 32.595
Find the surface area and volume of.. Not rated yet
Find the surface area and volume of swimming pool described below:
The pool is a rectangular shape: 70 ft x 140 ft
The shallow end starts at 3 ft …
Impossibly Easy? Not rated yet
What number when multiplied by double itself is a negative number?
Using number 4 Not rated yet
Use four 4s and any of the four operations to make the numbers 1,3,5,7,9,10
Number Pyramid, value of y? Not rated yet
What is the value of y? In this number pyramid. Y is the top.
25, 10, 3
50, 20, 8, 3
alphabet puzzle Not rated yet
If A=2, M=26 and Z=52,then BET=?
Operations Puzzles Not rated yet
Fill in each blank with one of the digits from 1 through 9 to make a true statement. Each digit may be used only once.
solving for n: t=2n+2z Not rated yet
solve for n: t=2n+2z
subtract both sides by 2z, t-2z=2n
Then divide both sides by 2, (t-2z)/2=n
Therefore solution is n=(t-2z)/2 …
' what are the odds ' Not rated yet
A man holds 3 cards in his hands, 2 aces and a jack. He shuffles the cards and then places them face down onto a table. He asks his friend to randomly …
Triangular Matrix Not rated yet
A. Now consider the product P = ST R S, where S is an upper triangular matrix having 0 everywhere except 1 on the main diagonal and ?1 on the first …
Probability fraction spinner question Not rated yet
Adam has found a spinner which has five colours on it where each colour is equally likely to come up. Adam decides to make his own
Adams spinner …
Math ratio question Not rated yet
The ratio of the number of 20-cent coins to that of 50-cent coins in a bag is 7:4.
The total amount of coins in the bag is $81.60.
What is the …
Adding decimals Not rated yet
Swapping the numbers over so as to subtract instead will give the same answer as above, +9.1-3.3=5.8
More info on adding …
Speed distance and time problem Not rated yet
From restaurant to house A,distance is 25km.time is 20 min but must change to hour so is 1/3 hour.
a)so speed= to distance/time= 25/1/3hour=75km/hour.ANS:75km …
How do you simplify -9-6(-v+5) Not rated yet
How do you simplify -9-6(-v+5)
First multiply out the bracket with the -6
-9+6v-30 (remembering that -ve and a -ve is a +ve more info …
Trigonometry Queries, Please help Not rated yet
this has the questions.
please answer the ones below and show working thanks,
algebra Not rated yet
The cost of 2 balls,3 bats and 8 pair of gloves is 2500.
While cost of 4 balls,5 bats and 10 pair of gloves is 4000.
Find cost of each bat? …
Products Not rated yet
The product of 7/16 and a number x is 1. The number is?
Applying Trigonometric Functions Not rated yet
a) Given functions y = a^x and y = (1/a)^x where x is real and a>1, draw graphs to illustrate the relationship between the two functions and describe this …
distance/time problem Not rated yet
After the brakes are applied, the distance a train travels before coming to rest varies as the square of the speed of the train at the instant the brakes …
MATH WORD PROBLEMS Not rated yet
3 numbers are such that the second number is 4 more than 3 times the first, and the third numbers is 12 less than the sum of the first two number. The …
sets Not rated yet
A total of 130 ppl sat for exam, Biology, Physics & Chemistry. Results as below,
31 pass Biology & Chemistry
25 pass Biology & Physics
Negative Exponents Not rated yet
The half-life of a radioactive form of calcium is 1 second. If you start with 180 grams, how much will be left after 2 seconds?
Truth Table Not rated yet
Use a truth table to test the validity of the following argument.
If you invest in the Gomermatic Corporation, then you get rich.
You didn't invest …
answer checks Not rated yet
i have to find the scalar and vector projection of a=i-j+k and b=2i-j-2k
and i got:
Vector proj = (1/3)(i-j+k) = i/3 + j/3 + k/3
scalar proj = (1/9)(2i-j-2k) …
sequence question Not rated yet
What are the values of x in the following sequence. X,X,15,16,23,31,111,X
problem solving Not rated yet
Your search for alana has 7 childen and bought a $9.95 shirt for each of them.
The cashier charged her an additional $13.07 in sales tax. She …
SAT's Level 3 Question on Ratio Not rated yet
I fill a glass with orange juice and lemonade in
the ratio 1: 4
I drink of the contents of the glass, then I fill the glass using orange …
An inequality conundrum (for me) Not rated yet
I have an inequality problem (I think). I am not a young person, I am doing something in finance and I have forgotten if I ever knew how to solve …
Poisson distribution Not rated yet
I am having trouble answering this question:
a local council has data concerning the number of children on free school meals and the number of households …
Arithmetic Not rated yet
The geometric rate of growth of sales for a company for the first three years was 25%.
For the next three years was 40%. Is the claim of average …
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