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maths
Page 8
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2 dice are rolled -1 red and 1 blue what is the probability of rolling a 6 on the red or the blue dice?
1 answer
asked by
laiba
318 views
how any packet of popcorn each having a mass of 250g can be made from a 41/2kg packs
6 answers
asked by
Anonymous
764 views
At a speedway, the yellow car completes a lap every 30 seconds and the blue car completes a a lap every 50 seconds. If the cars
3 answers
asked by
Ralph
719 views
The fourth term of an exponential sequence is 192 and its ninth term is 6. Find the common ratio of the sequence
3 answers
asked by
summary
1,092 views
A farmer owns a field with an area of 0.23 km2. The farmer buys another field with an area of 45,000 m2. What is the total area
4 answers
asked by
judie
647 views
if -sinθ= 0.5736 and 90°≤θ≤180° , find the value of θ
4 answers
asked by
bob
1,160 views
The 10th term of an arithmetic sequence is 42 more than the 7th term.If the 1st term is -14,find the second term of the sequence
3 answers
asked by
lucy
1,351 views
PQRST is a regular polygon, the sides QR are produced to meet X. Calculate The Angles Of RXS
4 answers
asked by
mbet
370 views
a fan consumes 1 unit of electricity in 3 hours Rahul has two fans which consumed 21 units this month for how many hours did he
4 answers
asked by
singh
2,001 views
In a class of 31 4 don't play sport. 17 play soccer and 18 play netball. How many only play netball and how many play both.
2 answers
asked by
Mark
570 views
what is 3.61x(10 to the power of -3)
2 answers
asked by
lilly
235 views
Suppose that X is uniformly distributed on the interval [3,8] , and that given X=x , Y is uniformly distributed on the interval
3 answers
asked by
Vala
2,030 views
i have 30 apples and 6 out of that is yellow what percent is yellow
4 answers
asked by
desiree
1,536 views
find the number of terms in an ap given that its first and last number are 13 and -23 respectively if the common difference is
3 answers
asked by
precious
321 views
A Christmas fruitcake has Poisson-distributed independent numbers of sultana raisins, iridescent red cherry bits, and
1 answer
asked by
Anonymous
454 views
A rectangular floor of area 75.6 m2 is going to be tiled. Each tile is rectangular, and has an area of 400 cm2. An exact number
3 answers
asked by
michelle
398 views
The smallest positive integer value of n for which 168 n isa square number
4 answers
asked by
mary
477 views
The curve for which dy/dx = 3x^2+ax+b, where a and b are constants, has stationary points at (1,0) , (-3,32). Find the values of
3 answers
asked by
Ja
477 views
What is the length of a 20cm long segment after central streaching with a scale factor 1/2?
4 answers
asked by
Anonymous
367 views
given that f(x)=2x+1
find f(2)
2 answers
asked by
Anonymous
136 views
calculate the volume of a cone and hemisphere that have a height of 17 and a diameter of 12
1 answer
asked by
alec
284 views
Neville has 2/7
m of ribbon. After he uses some ribbon for a present, he has 1/6 m left. How much ribbon did he use on the
1 answer
asked by
anna
211 views
Personal mission statement for service delivery protests?
1 answer
asked by
JUNIOR
251 views
If 0.000005257=A×10^n where A is between 1 and 10 and n is an integer, write down the values of A and n,
4 answers
asked by
Nurudeen
122 views
If θ = 58° and p = 150 in, what is the value of n to the nearest tenth of an inch?
3 answers
asked by
Anonymous
51 views
The height h(t), of a baseball, in meters, at time t seconds after it is tossed out of a window is
modelled by the function h(t)
3 answers
asked by
ogggg
155 views
Given point A (2, 4) on the triangle in Quadrant I, how would you describe the coordinates of the new point when the triangle is
2 answers
asked by
abfrmk3
320 views
The base area of a rectangular tank is 8 m². The tank contains 49 m³ of water. What is the height of the water level in the
1 answer
asked by
allie
122 views
Than Lwin left house at 7:30 a.m. and drove a distance of 180 km to KFC shop. Her average speed for the journey was 60 km/h.
3 answers
asked by
allie
92 views
a manufacturing company finds that the daily cost of producing x items of Guess jeans is given by C(x)=420x+14000,if each jean
3 answers
asked by
jossie
114 views
anna needs to find the answer of 437 divided by 23 but the two button is broken, what else could she calculate to get the
4 answers
asked by
aljdndln
70 views
I am really facing difficulty in maths. I do my best to improve in maths but after entering in the examination hall during my
1 answer
asked by
devendri
536 views
A manufacture of furniture sells a sofa set to a retailer for Rs 23000.the retailer, inturn, sells the sofa set to a customer
2 answers
asked by
Anonymous
987 views
whats 3.05 litres to millilitres
Isn't there 1000 milliliters in each liter? 305 milliliters Are you sure? The original question
1 answer
asked by
danielle
588 views
what is the largest domain of the following functions
f(x)=3x-5 f(x)=square root of (x+4) f(x)= 2 over x-4 f(x)= sqaure root of
1 answer
asked by
jonathan
672 views
DIVIDE X^6 - 7X^3 - 8 BY THE PRODUCT OF X+1 AND (X^2 + 4) ???????
1 answer
asked by
tuhituhi
825 views
the mid-point of the line FG is (6,10). if the coordinates of G is (8,14) find the coordinates of F.
There are a number of ways
2 answers
asked by
Jen
590 views
convert the following fraction into equal denominator:
5 4 - - 6 5 thanks !!!!!!!!!!!!!!!!!!!!!!!!!!!!! I am not certain what you
1 answer
asked by
sneha
332 views
The angle of elevation of the bottom of a window 10 meter above the ground level from a point on the ground is 30degrees.
A pole
2 answers
asked by
Anonymous
935 views
DIVIDE X^6 -7^3 -8 BY THE PRODUCT OF X+1 AND ( X^2 +4) ?????
1 answer
asked by
tuhituhi
346 views
factorize
-> 3a^2 +6a^2 x^2 - 3a^3 x ????
1 answer
asked by
tuhituhi
338 views
wat are the square brackets that are found in algebra
Just one way of grouping the terms in an algebraic expression. You can also
1 answer
asked by
crystabel
396 views
prove that the length of the perpendicular from the origin to the straight line joining the two points having coordinates ( a
2 answers
asked by
Anonymous
637 views
Solve
1.-6b+1+4b= -3b+6 2.8x - 4x = -8 3.the sum of twice a number and 14 less than the number is the same as the difference
2 answers
asked by
francis
758 views
Solve the equation using the multiplication principle.
-35 = 7k Solve the equation. clear fraction and decimal first. 2.(y-7)-
3 answers
asked by
francis
522 views
1. If the first and third of three consecutive odd integers are added, the result is 51 less than five times the second integer.
1 answer
asked by
francis
1,073 views
1. If the first and third of three consecutive odd integers are added, the result is 51 less than five times the second integer.
4 answers
asked by
francis
1,283 views
how do you work out exponential graphs?
keshvir grade 10 south africa I depends on the problem. Do you have an example of one you
1 answer
asked by
keshvir
332 views
If A=1+r^a+r^2a+r^3a+.......................to infinity
B=1+r^b+r^2b+................to infinity then find a/b=????? Is r^2a
1 answer
asked by
nikhil
1,250 views
3 dimensional shapes
What about them? Do you need examples? A sphere is one. You can think of others. 3D shapes are figures that
1 answer
asked by
sam
1,170 views
orlando likes baseball. He's a good fielder, but he wants to improve his batting average. currently .200 (or 20%) for the first
1 answer
asked by
I am not joe
788 views
5 1
- - - = 16 8 use a calculator
1 answer
asked by
chelsea
279 views
I have y=5sin(4x-pie/2). I need too find phase shift. I know c/b is shift. This is pie2/4=.392, but does not equal my answer and
1 answer
asked by
matt
523 views
firstly we have been given the function y= x^3 - 4x whose graph we have to draw.then we are given the function y = (x-1)^3
1 answer
asked by
shahrukh
569 views
how do i change x^2-4x-32=0 into (x+4)(x-8)=0
x^2-4x-32=0 => x^2-8x+4x-32=0 => x(x-8)+4(x-8)=0 => (x-8)(x+4)=0 OR (x+4)(x-8)=0
1 answer
asked by
sydney
361 views
how do i solve this equation? there is another answer other than 0, but i am not sure how to get it.
5x^2 + 7x =0 factor the
2 answers
asked by
minerva
626 views
Find four different numbers that have an average of 11
i dunno 9,10,12,13 or any four numbers that add to 44.
1 answer
asked by
s
490 views
If (e^x)(sin3x)=Im ((e^x)(e^i3x))
integrate (e^x)(sin3x) I get the answer(e^x)(cos3x-3sin3x) +C My book gets the answer
2 answers
asked by
Tom
544 views
list all the negative and positive numbers
Get real.
1 answer
asked by
lelethu
385 views
Show that the equation (1) divided by (x+1) - (x)divided by (x-2)=0 has no real roots
Well, to begin, start with 1/(x+1-x). The
1 answer
asked by
rochelle
652 views
1x+2y=5
3x+7y=18 x= y= Multiply equation 1 by -3, add to equation 2 (which eliminates x), then solve for y. Use that value in the
1 answer
asked by
Anonymous
518 views
5% of 390
Multiply .05 x 390. What answer do you get? The answer is 19.50. Do the math.
1 answer
asked by
jessica
326 views
hi, i would really appreciate some help on simplifying this question:
-2(3e^-x-e^x)(-3e^-x-e^x) could this be simplified as
1 answer
asked by
elle
386 views
Hi, could someone please tell me how I would go about working these out: (the answer must be in the form a�ãb where a and b
2 answers
asked by
em
640 views
Hi, could someone please tell me how I would go about working these out: (the answer must be in the form a(sqroot)b where a and
1 answer
asked by
em
934 views
For the transformation w=z^2, find the locus of w when z lies on the imaginary axis.
I thought the locus would be a line along
1 answer
asked by
Jake
470 views
According to health and safety policy, classrooms should allow for 1.8sqm of floor space per person and an additional 9sqm.
A
1 answer
asked by
temise
879 views
1. Identify two examples of exponential r/s
2. The data below shows how the the population of the world has changed over the last
1 answer
asked by
me again Thanks sooo much
491 views
1. Convert the ffl octal numbers into denary number
a) 1527 b) 21 364 2. Convert the ffl denary numbers into binary numbers a)
1 answer
asked by
temise
482 views
x^2+x=12
Since you do not ask a specific question, I assume that you want to find the factors. x^2 + x - 12 = 0 From the above,
1 answer
asked by
Helen
324 views
-128 degrees has a reference angle of what?
It depends. Where zero is is arbritary. In polar coordinates, and geographical
1 answer
asked by
sam
443 views
5 m : 140 cm = ????????
ratio and proportion 5 m is 500cm. Does that help?
1 answer
asked by
aman
382 views
what is 45,429,444 to the nearest hundred-thousand?
Hundred thousand digit... XX,YXX,XXX so would it be 454 hundred thousand?
1 answer
asked by
meisha
583 views
4x+3y=21
What is your question? You have simply stated the equation of a straight line. what is a prime factorazation?>
1 answer
asked by
abi
615 views
lan completed part of a race and had 2000m
left to run.if he had completed 3/5 of the race,what is the total distance he had to
1 answer
asked by
shiva
403 views
can any one tell me a way of working out a percentage from a total for tax purposes.
Example; if i have a total of 78 and the tax
1 answer
asked by
simon
334 views
what is the ratio of 500ml of orange juice for every 75ml of water?
500 mL/75 mL = ??
1 answer
asked by
repa
340 views
rufus and christable share 120 tadpoles in the ratio 3:5.How many tadpoles the easy recive
do u mean how many do they each
1 answer
asked by
ryan
1,024 views
2(n-5) = 4 (n+2)
Solve the equation is the answer -0.3 ? 2(n-5) = 4 (n+2) Solve the equation is the answer -0.3 ? If the intent
1 answer
asked by
asa
440 views
simultaneous equations
x + 2y = 4 3x - 4y = 7 x=3 and y = 1/2 i need to explain how i got this answer and do not know how to do
1 answer
asked by
Vicki
497 views
for this quadratic equation:
y2-4y-16 = 0 which two options are correct solutions, rounded to three decimal places? 1) -4.483 2)
1 answer
asked by
angel
440 views
for this quadratic equation:
y2-4y-16 = 0 which two options are correct solutions, rounded to three decimal places? 1) -4.483 2)
1 answer
asked by
angel
469 views
which three statements are true?
a) if x= -10^4 then log 10 = -4 b)if x= 2^8 then log 2x = 8 c) log2 2= 4 d) if x= 3 then log10
1 answer
asked by
kelly
520 views
Which three options are true about motion in a straight line.
A. A particle which moves at an increasing velocity has a constant
1 answer
asked by
kelly
572 views
An investor invests £20 000 over three years in a scheme which offers compound interest of 4.5%, compound annually. Which one
1 answer
asked by
kelly
362 views
Compass bearings of a carin are taken from two points A and B, 400 m apart, along a strsight north-south path, A being due north
1 answer
asked by
kelly
326 views
Choose three options which are examples of exponential growth or decay.
A) The number in the sequence 2,6,24,120,720…… B) The
1 answer
asked by
katie
420 views
Kat has a recipe for a 10cm square based iced cake of height 5 cm. He wants to scale the recipe down for a 6 cm square based
1 answer
asked by
katie
503 views
Which three options are true about the quadratic equation??
y= 4t^2 + 16t + 18 A. The graph has a minimum. B. The graph of y
1 answer
asked by
missy
521 views
choose one option which is the equivalent in radians of an angle of 135 degrees.
( ð = pie 3.14...) A. ð / 2 B. 3ð / 2 C. 7ð
1 answer
asked by
katie
1,066 views
In a triangle ABC, AB = 2 cm, BC = 3 cm and AC = 4 cm.
Choose the two options which give a triangle PQR which is similar to
3 answers
asked by
katie
710 views
O is the centre of the circle and A and B are points on the circumference of the circle. The radians of the circle is 12 cm and
3 answers
asked by
katie
1,068 views
Compass bearings of a carin are taken from two points A and B, 400 m apart, along a strsight north-south path, A being due north
1 answer
asked by
katie
389 views
2x2/5y2
what is supposed to happen here?
1 answer
asked by
sonia
304 views
input the following data into your calculator and obtain the best fit power regression function for y in terms of x, for the
1 answer
asked by
katie
431 views
Choose the two options which are true for all values of x
1) cos (x) = cos ( x – pie/2) 2) sin (x + pie/2) = cos (x – pie/2)
1 answer
asked by
katie
573 views
The head of an industrial machine moves in a straight line horizontally backwards and forwards from a central position. The
1 answer
asked by
katie
425 views
The head of an industrial machine moves in a straight line horizontally backwards and forwards from a central position. The
1 answer
asked by
k
368 views
The head of an industrial machine moves in a straight line horizontally backwards and forwards from a central position. The
1 answer
asked by
k
421 views
The head of an industrial machine moves in a straight line horizontally backwards and forwards from a central position. The
1 answer
asked by
k
1,232 views
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