06/28/17

THREE LINEAR EQUATIONS WITH THREE VARIABLES
A chemist has three different acid solutions. The first acid solution contains 15% acid, the second contains 25%, and the third contains 70%. He wants to use all three solutions to obtain a mixture... more
Follows • 2
Expert Answers •1

06/28/17

How many liters of water must be added to 30 liters of a 10% brine solution to dilute it to an 8% solution?
The answer is 7.5 liters, but I don't know how they got it. The formula for these types of problems is rb = a, where r is the rate, b is the base, and a is the amount. 
Follows • 3
Expert Answers •2

06/28/17

find the length of a diagonal of rectangles whose length is 30cm and width is 16cm
Answer the above question
Follows • 2
Expert Answers •1

06/26/17

which constant can be added to x^2+2/3x to form a perfect square
constants added to x^2+2/3x  
Follows • 2
Expert Answers •1

06/23/17

Math High School
A car averages 27 miles per gallon. If gas costs $4.04 per gallon which of the following is closest to how much the gas would cost for this cart to travel a 2,727 typical miles?
Follows • 2
Expert Answers •2

06/21/17

How many different ways can u order the pizzas
If there is small medium and large pizzas (3 sizes) and up to 4 toppings..how many different ways can u order the pizzas
Follows • 2
Expert Answers •2

06/20/17

let theta be an angle in quadrant 3 so that cos theta= -4/5 find the values of csc theta and tan theta
let theta be an angle in quadrant 3 so that cos theta= -4/5 find the values of csc theta and tan theta Thankya
Follows • 3
Expert Answers •2

06/20/17

Real numbers
R is the set of real numbers that are factors of 12.
Follows • 5
Expert Answers •4

06/17/17

the length of the diagonal of a square whose side is 3 cm is
what will be the answer
Follows • 3
Expert Answers •2

06/16/17

A plane can fly 600 miles in the same time it takes a car to go 200 miles. If the car travels 100mph slower than the plane, find the speed of the plane.
A plane can fly 600 miles in the same time as it takes a car to go 200 miles. If the car travels 100 mph slower than the plane, find the speed of the plane
Follows • 2
Expert Answers •1

06/16/17

n2tcost - cos2tsint = 0 on the interval 0≤t≥2Π
Solve algebraically, exact solutions only, sin2tcost - cos2tsint = 0 on the interval 0≤t≥2Π
Follows • 3
Expert Answers •2

06/15/17

y=–x+28 intersects y=x+10 at
this is hard
Follows • 3
Expert Answers •2

06/15/17

how many groups of 3 movies can you take on road trip from your 20 movie collection
 help please
Follows • 2
Expert Answers •1

06/15/17

What is the sum of the first five terms of a geometric series with a1 = 6 and r = 1/3?
12345678910 11 12 13 14 15 16 17 18 19 20 
Follows • 2
Expert Answers •1

06/15/17

what would the height of the water be?
if there is a cone with the dimensions of 10 as the height and 12 as the diameter, that is filled with water what would the height of the water be if it was poured into a rectangular prism with the... more
Follows • 2
Expert Answers •1

06/15/17

how many rows if each row decreases by 1 and i have a total of 350
trying to figure out how many rows should be used in building an igloo from 350 milk jugs. each row will decrease by 1
Follows • 3
Expert Answers •2

06/14/17

the sum of two consecutive odd numbers is 100. What is the smaller number?
I must try to find out what the smaller number is out of 100 
Follows • 3
Expert Answers •2
Swp

06/13/17

A chemist mixes 75 milliliters of a solution that is 22% acid with 150 milliliters of a solution that is 88% acid.
How many milliliters of acid are in the resulting mixture? What percentage of the resulting mixture is acid?
Follows • 2
Expert Answers •1

06/13/17

What is the speed of the current?
A motorboat can maintain a constant speed of 46 miles per hour relative to the water. The boat makes a trip upstream to a certain point in 53 minutes; the return trip takes 39 minutes. What is the... more
Follows • 2
Expert Answers •1

06/13/17

what do i need to score to get atleast a 70?
my year grade right now is a 75. my final exam is worth 5%. what do i need to score on the final exam to get atleast a 70?
Follows • 2
Expert Answers •1

06/05/17

What is the area of a regular heptagon (7 sided polygon) with a radius of 4 feet?
What is the area of a regular heptagon (7 sided polygon) with a radius of 4 feet?
Follows • 2
Expert Answers •1

05/31/17

A car travels 300km in the same time that a freight train travels 200km. The speed of the car is 20km/hr more that the speed of the train.
Hint:d=rt
Follows • 3
Expert Answers •2

05/31/17

I'm having trouble figuring out this question on one of my son's sheets.
"Mrs. Sneel's math test has twenty questions and is worth 100 points. The test consists of multiple choice questions worth 3 points each and short answer questions worth 11 points each. How many... more
Follows • 5
Expert Answers •5

05/31/17

8^5=2^x . How to find out x. 8^5 = 32768. is there a method to convert 32768 to power of 2?
i searched on internet bu there was no answer
Follows • 4
Expert Answers •3

05/30/17

Write the equation of the line that passes through (-9,-4) and (-6,-2) in slope-intercept form. Select one: a. y=32x+7 b. y=−23x−6 c. y=23x−6 d. y=23x+2
HELP  PLS!!!
Follows • 3
Expert Answers •2

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.