Questions LLC
Login
or
Sign Up
Ask a New Question
Categories
Maths
Page 20
Questions
The difference between the two roots of the quadratic equation x^2+ax+b=0
is 32 and the larger root is 3 times the smaller root.
1 answer
asked by
CHRIS
404 views
Three tired and hungry men went to sleep with a bag of apples. One man woke up, ate 1/4 of the apples, then went back to sleep.
3 answers
asked by
Khris
729 views
How many rectangle can be draw with 30cm as perimeter?
1 answer
asked by
Deepjyoti
358 views
DVDS 4 U
SALE Price label more than £8-take 15% off Price label less than £8-take 10% off a)ivy buys 5 dvds with a price label
1 answer
asked by
HS
383 views
If the vertex of the parabola y=x^2-2ax+2a^2 is on the line y=24x+25 what is the value of a (positive number)
1 answer
asked by
CHRIS
350 views
Given a rectangular object with dimensions 2cm by 22cm, we want to increase the length of the smaller dimension and decrease the
3 answers
asked by
CHRIS
401 views
A15- foot ladder is leaning against a 30- foot wall. The bottom end of the ladder is 9 feet from the wall. How many feet above
4 answers
asked by
Alana
2,310 views
Consider the line defined by the parametric equations x=3d-10, y=2d+1.
The y-intercept of this line can be expressed as a/b. Find
2 answers
asked by
CHRIS
569 views
z=x(1-i)+24(-2+i) , x is a real number.
if z^2 is a negative real number what is x?
1 answer
asked by
CHRIS
256 views
A flat circular disc, of radius R, can be modelled as a thin disc of negligible thickness. It has a surface mass density
2 answers
asked by
Matthew
574 views
Determine which one of the following vector fields is conservative.
Answer 1. U = (y2 + 2z)i + (5xy + 6z)j + (2xz + y + z2)k 2. G
1 answer
asked by
Kirch
384 views
There was a question:
A gallon jug of milk is 3/4 full. After breakfast, you drink 1/12 of the milk. What fraction is the gallon
3 answers
asked by
Nana
1,078 views
In polar coordinates, the parametric equations x=6+cos(f) and y=sin(f) represent a circle C1. In Cartesian coordinates, there is
4 answers
asked by
CHRIS
457 views
If x(x+i)+y(y+i)-14(8+i)=0, find x and y.
1 answer
asked by
CHRIS
220 views
Suppose x,y,p and q are real numbers and the inverse element for multiplication of the complex number x+yi is 5-11i.
If (5-11i)^2
1 answer
asked by
CHRIS
362 views
The line segment connecting two points (-2,7) and (4,-1) can be expressed in parametric equations as x=-a+bt, y=c-dt
(0<=t<=1).
1 answer
asked by
CHRIS
451 views
Let a*pi be the area of the region bounded by the curve defined by the parametric equations x=10cos2t, y=10sin2t where
1 answer
asked by
Marlen
398 views
Let V be the volume of the three-dimensional structure bounded by the region 0<=z<=1-x^2-y^2. If V=(a/b)*pi, where a and b are
1 answer
asked by
Marlen
350 views
Logarithms
1 answer
asked by
Virgie
328 views
Which is the greatest 4 - figure digit in base 8
1 answer
asked by
Virgie
414 views
what does:
- and - make + and + make + and - make - and + make I get very confused with questions that have different signs
6 answers
asked by
Anonymous
475 views
An operation produces (A-1)/A from a fraction A=m/n, where m is not equal with n and m is not zero. If the initial value of A is
4 answers
asked by
CHRIS
355 views
Rewrite evaluate the followings
1. 32^4/5 2. 125^2/3 3. 1296^3/4 4. 243^4/5 5. 8^2/3 6. 27^2/3 7. 16^3/2 8. 625^5/4
2 answers
asked by
Kuromi
896 views
Square root 'a'
16^-2 = 2?
4 answers
asked by
Yoyo
441 views
(9/25)^-3/2
4 answers
asked by
Suzy
288 views
How can I do 1/2y+3=9?
I can only do y+3=9! HELP!
1 answer
asked by
Nana
298 views
HOW DO I DO:
1/3(3x+9)=2x+3? HOW DO I SOLVE IT?
9 answers
asked by
Nana
370 views
Hi!
How do I do this? Solve the following for the variable: d=rt for r Thanks!
4 answers
asked by
Nana
617 views
Jacob buys a car with 7,000 miles on it. He drives an average of 220 miles a week. Write an equation to represent the number of
4 answers
asked by
Becky
445 views
Hello,
I am just wondering why y=mx+b for b (solve for the variable) would be y-b/m and not y/m-b Thanks
3 answers
asked by
Nana
286 views
Expand and simplify expression for the area of an rectangle
Shorter side = x+3 Longer side = 5x-4
3 answers
asked by
Susanna
375 views
(5x+4)(5x-4)=
1 answer
asked by
Dan
243 views
(4x-5)^2
4 answers
asked by
Dan
240 views
Factorise to quadratics
X^2+5x-14 X^2-x-90 X^2-13x+40
2 answers
asked by
Suzy
543 views
Factorise into quadratics
X^2-4x-21 X^2-4x+3 X^2+9x-36
1 answer
asked by
Matt
358 views
Factorise these quadratics
X^2-36 X^2-121 X^2-169
1 answer
asked by
Jack
400 views
D(5)= 50e^-2
How would I solve it from here?
1 answer
asked by
Eren Jaeger
280 views
2(y+2)^2*+4(y+2)
15(x-1)^2-10(x-1) 8(p+5)^2+10(p+5)
1 answer
asked by
Candy
198 views
9(q+1)+6(q+1)^2
7(a-b)(a+b)-14(a+b) 4x^2(x+1)-6x(x+1)
3 answers
asked by
Candy
224 views
I have a diagram in which AB is a vertical cliff. BC is a vertical building 80m in height. P is a point on level ground 200m
3 answers
asked by
Ariana
581 views
Assume that the population of India is 120 million. If 40.25% of the population has
height below 5 ft. and 30.76% of the
1 answer
asked by
Please help me
429 views
Show that
8^x =square root 2 5^x=1/square root 25 (3)
1 answer
asked by
Eliza
309 views
Find out X
25^x=1/^3square root 5 27^x+5=9^2x-1 8x16^x-1 =4^3x
1 answer
asked by
Faith
295 views
WhAt is x
3x9^x=81
4 answers
asked by
Natalie
460 views
d) Assume that the population of India is 120 million. If 40.25% of the population has height below 5 ft. and 30.76% of the
1 answer
asked by
Argae
404 views
d) Assume that the population of India is 120 million. If 40.25% of the population has height below 5 ft. and 30.76% of the
1 answer
asked by
Argae
404 views
1.32% of 425
2.16 2/3% of 16 3.3 1/3% of 90KM
1 answer
asked by
Naif
298 views
At 9.30 a.m., a car left town X for town Y at a speed of 60km/h for the whole journey. At 11 a.m., a lorry started from town Y
2 answers
asked by
Sarah
543 views
Wendy has 80 more stamps than Mary but 50 more stamps than Jean.
Wendy gives 1/2 of her stamps to Mary. Then Mary gives 1/5 of
5 answers
asked by
KEN
430 views
A shop stocks tinned cat food of two makes, A and B, and two sizes, large and small. Of the stock, 70%
is of brand A, 30% is of
3 answers
asked by
Dami
847 views
Find the least positive whole number n for which 582416035 / n is exactly divisible by 11
3 answers
asked by
Emily
462 views
Blossom’s Flowers purchases roses for sale for Valentine’s Day. The roses are purchased for $10 a dozen and are sold for $20
4 answers
asked by
Daniel
936 views
If 9th term of an arithmetic progression is 0, prove that its 29th term is double the 19th term.
2 answers
asked by
Anonymous
657 views
prove that 2+2=5
3 answers
asked by
Andrew
366 views
Given that 6/11=0.54 write the recurring 0.554 as a fraction
5/33=0.15 Recurring 0.215 to fraction 1/6=0.16 recurring 0.4016 to
3 answers
asked by
Amy
613 views
Can you help me?
I have this question: Find the equation of the line given the following information: m=UD, x=3. And I have to
5 answers
asked by
Paws
406 views
I don't get this
Find the equation of the line given the following information: m=UD, x=-5 And I have to find the equation. Then
3 answers
asked by
Paws
392 views
The ratio of adults to children visiting a park is 3:5
one day 1740 adults go to the park. how many children go to that park on
2 answers
asked by
Anonymous
517 views
Can you please tell me what TU means at the top of my sums eg., and do I put the sums answer in the circle between the sums and
1 answer
asked by
Ollie
482 views
From the top of a building 120m high, the angle of depression of two cars on the ground in line with the base of the building
3 answers
asked by
Prof. Nwigwe J
625 views
1)There 40 pupils in a class.
There is chart so i counted the number of boys and the number of girls Boys-24 Girls- 16 what is
3 answers
asked by
Anonymous
625 views
In an A.P ratio of 3rd term and 5th term is 3:7.
a)Find the ratio of the 4th and 6th term? b)Find the ratio of the 6th and 12th
2 answers
asked by
Liji
455 views
How many litres of water in a tank size 1.3m wide, 3.76m long and 0.73m deep
1 answer
asked by
John
385 views
Daniel's watering can holds 6L of water when full. He fills his watering can 3 times from the bucket and then the bucket is
4 answers
asked by
Tim
575 views
£2000 is invested at x% interest over three years. At the end of three years the money has grown to £2963. To the nearest
3 answers
asked by
Steph
367 views
A cube has a volume of 64 cubic units.what are dimensions of the cube?
2 answers
asked by
Anonymous
1,014 views
Calculate the simple interest on R3 500 invested at 6% per annum for 3 years
3 answers
asked by
David
439 views
Please help me to understand transposing equations. In this example I need to find y
x^2=y^2-r^2/y^2 Thank you for your help
1 answer
asked by
Melody
362 views
Covert 200g cake flour to kilogram
4 answers
asked by
Okgethilwe
619 views
The ratio of girls to boys in a class is 3:4. If 3 new girls join and 1boy leaves, what is the new ratio of girls to boys
3 answers
asked by
Brendan
674 views
a rectangular piece of paper has length=14cm and breadth=12cm. A square piece of paper of perimeter 24 cm is cut off from it.
5 answers
asked by
Swetha
1,629 views
Your grandmother opened an investment account of $1,000(initial deposit) 15 years ago.
Today it's worth $39,533.32 What is
2 answers
asked by
Sushmitha
503 views
Grandpa places money in an account on your first birthday and will place that same amount in the account every year, ending with
2 answers
asked by
Sejul
742 views
Mortgage is for $300,000 for 30 years, Fixed interest rate = 7% per year.
Annual payments = $23,500 At end of 30 years, must make
4 answers
asked by
Ariana
506 views
Still don't think this is right.
Mortgage is for $300,000 for 30 years, Fixed interest rate = 7% per year. Annual payments =
2 answers
asked by
Ariana
511 views
A true/ false test is given. If a person guesses the answers, the probability that any particular question is correctly answered
3 answers
asked by
Lucy
1,606 views
find the number of terms in an A.p given that it's 1st and last terms are a and 37a respectively, and that it's common
4 answers
asked by
A.p
1,647 views
Mortgage company lets you pay a point (1% of total amount of loan)to reduce APR from 6.5% to 6.25% on a $400,000
30-yr mortgage
3 answers
asked by
Sejul
661 views
Car loan interest rate is 7%
loan payment $600 month 36 months left on loan If pay an addition $1000 with next regular $600
2 answers
asked by
Nabil
561 views
Firm has a $500,000 loan with 9% APR (compounded monthly)
Loan is 5-yr based on a 15-yr amortization, meaning loan payments will
1 answer
asked by
Sushmitha - please help
618 views
Find the number of decibels of sound produced by a jet engine at a distance of 50 metres if the intensity is 10 watts per square
2 answers
asked by
Donna
539 views
Find the number of decibels of sound produced by a jet engine at a distance of 50 metres if the intensity is 10 watts per square
1 answer
asked by
Donna
662 views
divide 27 into two parts such that their product is 176
1 answer
asked by
Mazaa
416 views
Solve and show workings
3√/9 *27√ It's supose to be the square root of 3 over 9 time the quare root of 27. i know the answer
3 answers
asked by
Nat
419 views
factorise 5x^2+8x-6
please help... will be much appriciated.
1 answer
asked by
Nat
420 views
Jennifer packed some beads into 3 bags labelled A,B,and C.Bag Ahad the most number of beads and Bag C had least.The difference
3 answers
asked by
SRI
500 views
A rancher wants to enclose a rectangular area and then divide it into four pens with fencing parallel to one side of the
2 answers
asked by
EB
694 views
The diameter of wheel is 28 cms .how many revolutions will it make in moving 1100 m
4 answers
asked by
Swarada
364 views
Betty bought 8 rolls of ribbons. There were 2 5/6m of ribbon in each roll. If 1 metre of ribbon cost $6, how much did she pay
1 answer
asked by
Nur
422 views
I’m a 4-digit number. My 1st 2 digits from the left are divisible by 5. My 3rd and 4th digits from the left are divisible by
2 answers
asked by
Zanele
527 views
A rectangular park is 45 m long and 30 m wide. A road 5 m wide is construced outside the park. Find the area of the road . The
2 answers
asked by
Anonymous
537 views
A number decreased by 30 is the same as 14 decreased by 3 times the number. Find the number. Explain!
2 answers
asked by
Abhishek
551 views
Separate 178 into two parts such that the first part is 8 less than twice the second part. Explain!
2 answers
asked by
Abhishek
548 views
A Mug can hold 3 litre of water and each glass can hold 2/9 . How many glasses are required for filling the entire 3 litre of
1 answer
asked by
Fraction problem
392 views
Lennon invest 5 600 at an interest rate of 9.5 percent per annum, compounded half yearly. Calculate the value of his investment
2 answers
asked by
Tshepang
477 views
How to sketch graph of f(x)=x^3-7x^2+15x-9
1 answer
asked by
Nikeziwe
347 views
find x
y=5x+3 Find d c=5d-2 Find a v=u+at
1 answer
asked by
Amy
263 views
A man is 42 years old and his son is 12 years old. In how many years will the age of the son be half the age of the man at that
3 answers
asked by
Abhishek
647 views
There are 3 green balls,5 red balls and 2 yellow balls in a bag.You take out one without looking.What is the probability of
4 answers
asked by
Sibongakonke
1,736 views
A debate team of 4 is to be chosen from a class of 29 where the order in which the members of the team are chosen does not
3 answers
asked by
Maddie
1,310 views
Pages
1
2
3
4
5
6
7
8
9
10