2,575 Answered Questions for the topic Maths
Maths Calculus
02/28/19
How do you find generalized equations when optimizing using calculus?
We have a homework question that we're struggling with and can't seem to find answers to.The problem involves minimizing lengths of strapping used to fasten different boxes down.The box is always...
more
HELP! PROBLEM SOLVING QUESTION INVOLVING 2 TRAINS! ASAP!!!
Train A departs from a station and travels at a constant speed. Train B departs 2 hours from the same station, travelling at 60km/h. If it catches up with Train A in 4 hours after departing, what...
more
Maths Prealgebra
02/26/19
What fraction of an hour is in 12 minutes give your awnser in the simplest form
Maths Algebra 2
02/26/19
How to calculate what percentage A is of B...without knowing what B is
So for my maths class we are doing some revision, i am having a bit of trouble understanding how to find principle; i just can't find an explanation of how 900 divided by 0.18 is 5,000 in short, i...
more
02/24/19
The height of a triangle is 3 cm less than its base. The area of the triangle is 90 square cm. Find the base of the triangle.
so I think I have the answers BUT it doesn't match 90 square cm. The answers were base: -15, 12. Height: -18, 9. However, it does equals to -90 IF 1/2 x -15 x 12 but it's negative. ðŸ˜ðŸ˜
Maths
02/24/19
I need help with math
Neil has a total of twelve $5 and $10 bills in his wallet. He has5 times as many $10 bills as $5 dollar bills. How many of each does he have?
Maths
02/23/19
Four less than the product of a number and 5 is 8 more than twice the number.what is the number?
Maths Algebra 2
02/22/19
An investor invested some money at 7% and some money at 5%. If the yearly interest on both investments is the same and the total amount of the investments is $12000...
An investor invested some money at 7% and some money at 5%. If the yearly interest on both investments is the same and the total amount of the investments is $12000, find the amount of each...
more
Maths Geometry
02/21/19
math calculations
In triangle​ ABC, the size of angle B is 4times the size of angle​ A, and the size of angle C is 18degrees less than 5times the size of angle A.Find the size of the angles.
Maths Prealgebra
02/19/19
If their food and beverages cost $25.30 and there is an 8% meals tax, how much is the bill?
Maths Algebra 2
02/19/19
ax + bx / (x + a)(x − b) =a + b/( x + c ) the 1st fraction has ax+bx as the numerator and a+b as the numerator for 2nd fraction.how did the a and b numerator vanish into =x/ (x + a)(x − b) = 1/ x + c
How did this sudden shift happen, from ax+bx to x and a+b to 1?
Maths Prealgebra
02/18/19
What is the LCM of 5,6 and 7
Maths
02/18/19
mother is thrice sons age .10 years earlier son was 20 years younger than his mother .Find their present ages
how do i deduce the moles of the acid reacted with sodium carbonate
The balanced equation is: Na2CO3 + 2HCl ----> 2NaCl + H2O + CO2Moles of sodium carbonate: 0.03945average volume of acid added: 26.3 cm3Acid = HClThis is standardisation of an acid (titration 1)
Maths
02/17/19
simultaneous equation grade 10
I need help with the working out on this equation because I always end up with -30x=4.The equations are: -3x-2y=-12 and y=5x-20/3The answer is meant to be x=4 and y=0
Maths
02/16/19
urgent help for maths
The domain of f is the set A = {−2, −1, 0, 1, 2}. Write the function as a set of ordered pairs. (Use the notation, {( , ), ( , ), ...}, to give your answer.)f(x)= 3x/ x^2+4
Maths Prealgebra
02/15/19
a parts dilemma
A food preparation has 37 ingredients. of this, 27 ingredients are in 3 parts, 6 ingredients in 12 parts, 1 ingredient in 24 part, 1 ingredient in 48 and 2 ingredients in 96 parts. How do I crack...
more
Maths Algebra 1
02/13/19
Maths - Surds Circle AREA
https://prnt.sc/mkq77w - Screenshot with Picture for QuestionHelp ASAP, Much appreciated
02/13/19
Include all the quantities required, concisely describe how you would make 50mL of a 0.5% (w/v) solution of BSA (molecular weight: 66 400) using water as a diluent
Include all the quantities required, concisely describe how you would make 50mL of a 0.5% (w/v) solution of BSA (molecular weight: 66 400) using water as a diluent
02/13/19
Help finding length knowing angles
The angle of elevation of the sun is 64. A telephone pole that is inclined at an angle of 9 degrees (with the vertical) casts a shadow of 5.25 m on the ground. Calculate the approximate length of...
more
Maths
02/13/19
-3(2y+3)-1=-4(y+6)+2y
Maths
02/11/19
I wanna know how to calculate this Probability
Alex keeps throwing a fair die until he gets a even number..Find the probability that his last dice is numbered ‘ 2 ’.
Maths
02/09/19
maths problem ratio
Sarah and Henry share some sweets in the ratio 7:6 . Sarah eats 24 of her sweets and the ratio of sweets left becomes 1:2 . How many sweets did Henry have?
Maths Physics
02/08/19
Addition of Mass and conversion to grams
We have the following masses: 20,000,000 kg; 5,000 dg; 650mg. What is the total mass in grams?
Still looking for help? Get the right answer, fast.
Ask a question for free
Get a free answer to a quick problem.
Most questions answered within 4 hours.
OR
Find an Online Tutor Now
Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.