Questions LLC
Login
or
Sign Up
Ask a New Question
Categories
Maths
Page 12
Questions
Alright I'm doing a maths review (grade 11) and on the page, the subtitle says "Quadratics" and then underneath is the
3 answers
asked by
Felicity
460 views
Alright, so I'm doing questions on exponent laws for my grade 11 math couse, and I came across one and I've no idea how to
4 answers
asked by
Felicity
1,103 views
(5-2*(6)^(1/2))^x+(5+2*(6)^(1/2))^x=98
1 answer
asked by
Anup
254 views
the histories and development of Hindu-Arabic number system and the egyptain number system?
plez.. i'm so confuse with these i
1 answer
asked by
LAy
421 views
Two bike riders X and Y both start at 2 pm riding towards each other from 40 km apart.
X rides at 30 km/h, Y at 20 km/h. If they
3 answers
asked by
Sindy
1,002 views
I'm really struggling with word problems right now. Got through 20 just three left. Can someone please give me some pointers or
2 answers
asked by
Sindy
567 views
Get Rich Quick Investments LTD offers 2 investment schemes.
Scheme 1: Earn 6.5% interest per year, compounded monthly. Scheme 2:
1 answer
asked by
Ana
475 views
Any help with the following would be greatly appreciated. I don't understand how to use the information given to create the
2 answers
asked by
Sindy
595 views
Evaluate the triple integral _E (xy)dV where E is a solid tetrahedron with vertices (0,0,0), (4,0,0), (0,1,0), (0,0,4)
I just
1 answer
asked by
Salman
340 views
Evaluate the triple integral _E (xy)dV where E is a solid tetrahedron with vertices (0,0,0), (4,0,0), (0,1,0), (0,0,4)
1 answer
asked by
Salman
333 views
In january 2009, there were 1600 HNS hospitals, of whitch 113 were Foundation Trust hospitals. What persentage of NHS hospitals
1 answer
asked by
DezQ
460 views
how do i find the derivative of y=2sin8(x+pi/4)-12??
3 answers
asked by
Belle
385 views
Numbers from 1-20 in 10 different languages
6 answers
asked by
spv
514 views
Assuming the lord of the rings film trilogy contains 4.4 GB of data, how long would it take to download via 2Mbps connection? In
3 answers
asked by
DezQ
376 views
What is the simple way to solve
2xsquare + 3x-90=0
1 answer
asked by
Raymond madden
354 views
Sorry the full questiopn is :-
A file contains 4.4GB of data, how long would it take to download via a 2Mbps connection Ignore
1 answer
asked by
Bilbo
415 views
A flock of geese is flying while another goose is flying past it. The goose asks the leader of the flock how many they are. The
1 answer
asked by
Laura
436 views
Write a fortran 77 program that can display the score and the average score of 50 student
2 answers
asked by
Chijioke
588 views
I got this question, and found what I believe to be the solution, but want it confirmed.
I started with: log[base5](2x+1) +
4 answers
asked by
anonymous
854 views
Express the sum using summation notation:
1 - 1/2 + 1/3 - 1/4 + 1/5 - ... (to 3n terms) If I'm doing this right so far, with k=1
3 answers
asked by
Anonymous
1,011 views
Express the sum using summation notation:
1 - 1/2 + 1/3 - 1/4 + 1/5 - ... (to 3n terms) If I'm doing this right so far, with k=1
1 answer
asked by
Anonymous
390 views
Express the sum using summation notation:
1 - 1/2 + 1/3 - 1/4 + 1/5 - ... (to 3n terms) If I'm doing this right so far, with k=1
1 answer
asked by
Please Help
969 views
A square has an area of S^2 and a regular hexagon has a perimeter of T. If p is the perimeter of the square and h is a side of
4 answers
asked by
Mark
903 views
Hi, I have a formula for modelling the variation in population density in terms of distance from a town centre;
y= -3x^2 +6x+9
3 answers
asked by
Mario
607 views
How do I solve this equation please?
x^2 + -5x = 0
1 answer
asked by
Del
332 views
Please help, I need to calculate the gradient of a straight line that passes through the points (4,3) and (10,0)
1 answer
asked by
Just
443 views
Hi, need a bit of help on this one.
A straight line passes through the points (4,3) and (10,0), I need to write down the equation
3 answers
asked by
Del
604 views
I need help with the following if that's ok?
Calculate the discriminant of the quadratic expression 2x 2 + 5x − 2.
1 answer
asked by
Jo
455 views
Hi, I have to produce a sketch of a line that passes through the points (4,3) and (10,0), i have already worked its gradient out
2 answers
asked by
Jas
545 views
If g(x)>0 for all real values of x, which of the following could be function g?
a) g(x)= x+1 b) g(x)=x-1 c) g(x)= x^2+1 d) g(x) =
1 answer
asked by
jess
433 views
The first term of a g.p is 2 calculate the 4th given that common ratio ir 2
1 answer
asked by
The first term of a g.p is 2, calculate the 4th. Given that common ratio is 2
405 views
ABC
x C ____ 16BC _____ What could the value of C be?
1 answer
asked by
Jasmine
270 views
Solve the given equation:
ln(x + 4) + ln(x + 2) = 2 ps - we aren't allowed calculators My ans: I got as far as ln [(x+4)(x+2)] =
3 answers
asked by
Neee
384 views
Could someone help me with this question please?
Which angle between 0° and 360° has the same cosine as the angle 55°? Thanks
2 answers
asked by
Tandy
510 views
A farmer planted a field of BT 124 corn and wants to estimate the yield in terms of bushels per acre. He counts 22 ears in
3 answers
asked by
Jim
1,114 views
almudena has cut three quarters of a rope to 3 m in length and daniel has cut 3 / 5 of another of 4 m. ? which of the two pieces
2 answers
asked by
Blair
911 views
This mystery number has 3 digits.Its digits are in the descending order. The hundreds' digit is two more than the ones' digit.
3 answers
asked by
Sharlet
511 views
can i derive this equation. s(v)=(4pi)^1/3(3v)^2/3 and please explain.
1 answer
asked by
Joe
290 views
How can the graph y = x sqaure root(9-2x squared)with the point (3root2/root 2,0) have in infinite gradient?
1 answer
asked by
Brogan
334 views
What does a business having a "high world demand" mean?
So with this high demand what are the benefits of this?
3 answers
asked by
Anique
382 views
An atom of chlorine has 6 more protons than an atom of sodium. The atomic number of chlorine is 5 less than twice the atomic
1 answer
asked by
Ravita
399 views
is this correct...
(3x^2+4x-3)^2-(3x^2-x+2)^2 then is it this (9x^4+24x^3-2x^2-24x+9)-(9x^4-6x^3+13x^2-4x+4) or this
1 answer
asked by
Kane
991 views
In a triangle the angles are (x + 9)°, 3x ° and (2x + 3)°. Find the smallest angle.
1 answer
asked by
Jannie
369 views
How must $59 be shared between Michael and Matthew so that Michael’s share is
$4 less than twice Matthew’s share?
2 answers
asked by
Jannie
458 views
The sum of three consecutive numbers is 51. Find the largest number. Also write the equation to solve the problem
3 answers
asked by
Jannie
758 views
5. Compute the two regression equations on the basis of the following data:
X Y Mean 40 45 Standard Deviation 10 9 Given that the
1 answer
asked by
Neeraj Bhanot
424 views
From a set of 1000 observations known to be normally distributed, the mean is 534 cm and SD is 13.5 cm. How many observations
4 answers
asked by
Neeraj Bhanot
2,004 views
Is the time 0900 considered to be pm or am time
3 answers
asked by
Kaylie
295 views
i NEED TO TURN (7X-3)^1/3 INTO AN ITERVATIVE FORMULA USING THE NEWTON RAPHSON FORMULA?
HOW DO I DO IT IN SIMPLE STEPS?
1 answer
asked by
Lucy
299 views
how to write a more than or equal to sign?
1 answer
asked by
justin beiber
249 views
What is the perimeter formula for an equilateral triangle?
1 answer
asked by
Jannie
337 views
I have 50 coins, some 10c and the rest 20c. Altogether they total $8.20. How many of
each coin do I have?
2 answers
asked by
Jannie
599 views
If the numerator and denominator of the fraction
4 9 are both increased by a certain value, m, the fraction then becomes equal to
1 answer
asked by
Jannie
384 views
show that these curves
y=2x^2+5x y=x^2+4x+12 y=3x^2+4x-6 have one point in common and find it coordinates?? is this done by
2 answers
asked by
Mars
725 views
Person A has more than $200 than Person B. Each week, Person A receives $50 meanwhile Person B receives $65. When will A and B
1 answer
asked by
Babiibun
331 views
N and M have annual savings of $15.00 and $20.00 respectively. When did they have the same saving amount? If N and M started his
1 answer
asked by
Babiibun
324 views
Solve for x:
5sin(2x) + cos(x) = -1.916 Can someone please show me the steps?
1 answer
asked by
Claire
361 views
Find the La Place Transform of
a.) f(t)=t b.) f(x)=y"+2y'+Y
1 answer
asked by
chuck
372 views
If dy/dx = 8x - 3x^2 , then how you show that dy/dx is postive when
0<x<8/3
1 answer
asked by
Remy
317 views
Divide $4000 to Kimand Dan in the ratio 3:5 How much money will each have?
4 answers
asked by
Me
949 views
The length and width of a rectangle are in ratio 11:7. If its perimeter equals 144m, find the length and width?
3 answers
asked by
Jannie
514 views
Find all the roots of the equation Sin(2x)=1/2 in the range of -pi<x<pi giving answers in radians as multiples of Pi
1 answer
asked by
Jack
421 views
Our team scored 115 points in the last
5 football games. How many points must we score in the next 5 games so our average points
2 answers
asked by
Jannie
471 views
A rectangle has length 2y and width y+ 2.
Its perimeter is less than 50 cm. What are possible values for y ? Write inequality?
2 answers
asked by
Jannie
466 views
A taxi driver averages $15 per trip. He pays
$150 per day to the cab company to hire the taxi. How many trips must he make in a
1 answer
asked by
Jannie
433 views
Two sides of a triangle are 10 cm and 15 cm.
What is the range of possible lengths for the third side? Write inequality?
2 answers
asked by
Jannie
510 views
Find the general solution to the system dx/dt=Ax where A[0,1;1,0]
1 answer
asked by
Chris Williams
336 views
solve by Gauss elimination
x+y-z=2 -x+3y +z=3 4x-y+3z= 5 show work for each step please
2 answers
asked by
Chris William
740 views
What angle does the middle turn through if it's turns clockwise from facing east to facing south ?
1 answer
asked by
Sarah
402 views
Omar is in the middle...
Tom is standing on the east side... Emma is standing on the south side... What angle does omar turn if
4 answers
asked by
Sarah
493 views
Differentiate:
y = In ( (x+3) / (x^2) )
1 answer
asked by
George
253 views
What is the answer to the following using sicentific calculator
64-1/6
1 answer
asked by
Thomas
271 views
if f(x) = 2x - x ln x
show that f(e^3) = -e^3 I know you have to substitute e^3 into the function, so Ive sone ths so far: 2e^3 -
3 answers
asked by
Hannah
362 views
if f(x) = 2x - x ln x
show that f(e^3) = -e^3 I know you have to substitute e^3 into the function, so Ive sone ths so far: 2e^3 -
2 answers
asked by
Hannah
696 views
What is dy/dx of e^-x ?
1 answer
asked by
Hannah
310 views
For the fixed point iteration method; re-arranging method, how can I describe ho the iterative formula works?
4 answers
asked by
Ronald
578 views
dy/dx of tan x is sec^2 x is there another way of writing sec^2 x?
4 answers
asked by
Ronald
513 views
9. consider the function y=e^-x sin x where pie < x < pie
find dy/dx which is e^-x(cos x - sin x) show that at stationary points,
2 answers
asked by
Ronald
524 views
A truck is loaded with two different types of crates. When 20 of crate A and 25 of
crate B are loaded, the truck’s 8 tonne
2 answers
asked by
Jannie
833 views
A hall has 1325 seats. These are arranged in rows of 35 seats or 40 seats. The ratio of
35-seat rows to 40-seat rows is 3 : 4.
1 answer
asked by
Jannie
479 views
Con has twice as much money as Fiona. If Fiona earns an extra $15, Con will only
have one-and-a-half times her amount. How much
1 answer
asked by
Jannie
414 views
A company employs 4 times as many unskilled workers as it does skilled workers.
Unskilled workers earn $650 a week, and skilled
2 answers
asked by
Jannie
601 views
Find the gradient of the curve xy^3 = 5 ln y at the point (0,1).
2 answers
asked by
Anique
611 views
what are these decimals into fractions and in their lowest terms:
0.19 and 0.06 Please help!
4 answers
asked by
Mary
493 views
Express Each percentage as a fraction in it's lowest term?
25%, 60%, 45%, 8.2%, 90%, 88.6%, 49.6%, 65%,8%, 98%, 94%, 76%, 20%,
2 answers
asked by
Lucy
485 views
what are these fractions as pencentages:
2/3 1/13 9/23 4/15 6/7 3/7 2/7 and 2/21 Please Help!
1 answer
asked by
Amy
250 views
What is 8.2% as a fraction in it's lowest term
Please someone kindly help!
3 answers
asked by
Milly
1,199 views
I'm after understanding more than an answer but an answer would be greatly appreciated.
The question reads as "On the answer
1 answer
asked by
Jack
1,018 views
Multiple-choice questions in a test are graded by adding 2 marks for each correct
response and subtracting 1 mark for each
6 answers
asked by
Jannie
687 views
My teacher divided his class into groups of 8 on Monday, 10 on Tuesday and 4 on Wednesday. What is the least possible number of
2 answers
asked by
PJ
503 views
There are 47 in a club. 18 play chess and 13 play tennis. The number who play neither is 3 times the number who play both. How
2 answers
asked by
e
707 views
A rectangle has legth & width in the ratio of 3:2.If the length is increased by 8 & width is increased by 50%.The ratio of new
1 answer
asked by
JAZZY
457 views
Suppose that either of two instruments might be used for making a certain measurement. Instrument 1 yields a measurement whose
1 answer
asked by
Salman
662 views
Is 9997 a prime number
1 answer
asked by
Jim
323 views
How to work out the comparison 13 out of 39 as a percent
1 answer
asked by
Shannon
295 views
Bill Ding plans to build a new hardware store. He buys a rectangular lot that is 50 ft by 200 ft, the 50-foot dimension being
3 answers
asked by
Murali
906 views
Evaluate the following expression when a = 7 and b = − 3.
2 answers
asked by
Lizzie
616 views
Solve the equation
2x-5=7-6x Enter your answer as a fraction in its lowest terms in the box below using / for division. For
1 answer
asked by
Beth
392 views
6 lollies plus 3 ice creams cost £8.52. 3 ice creams plus 6 drinks cost £9.24. Find out individual cost of each item
3 answers
asked by
Shahana
542 views
1. A road sign says that no vehicles over 7.5 tonnes may use a bridge. My lorry weighs 4 tonnes, and I have 3.25 tonnes of
2 answers
asked by
Patsy
491 views
Pages
1
2
3
4
5
6
7
8
9
10