07/26/18

Please find all the points lying inside the donut x^2+y^2=9 and x^2+y^2=36?
MathenaMathe questions
Follows • 1
Expert Answers •1

07/26/18

The powers of maths I am not clear with it
(-2) power of 6
Follows • 1
Expert Answers •1

07/25/18

What are the rules for dividing signed numbers
I have a question that I really don't get 
Follows • 1
Expert Answers •1

07/24/18

How do I find the rate "R" variable in this exponential growth model?
The area covered by a certain population of bacteria increases according to a continuous exponential growth model . Suppose that a sample culture has an initial area 54.6mm^2 of and an observed... more
Follows • 1
Expert Answers •1

07/24/18

Derivatives - local extremes
f(x) = x3 - 8x2 + 5x   Compute algebraically the x-coordinates of the points on the graph of f where the tangent to this graph is horizontal.    I know how to find the derivative:   f′(x) =... more
Follows • 1
Expert Answers •1

07/23/18

Geometry math question
Find the measure of each angle in Triangle ABC. a=50-x  b=9x-40  c=90 A)a=130  b= 60  c=90 B) a=60  b=130  c=90 C)  a=40  b=50  c=90 D)  a=50  b=40  c=90    
Follows • 1
Expert Answers •2

07/23/18

Determine the y intercept for the following equation y=-3(x-4)^2+100
 I wanted to know the answer to the question
Follows • 1
Expert Answers •1

07/23/18

Surface area and volume
A cylinder has the surface area of 660cm2 What is the height? (It has a diameter of 14cm)
Follows • 1
Expert Answers •1

07/23/18

Which of the following could be the side lenths of a right triangle? A. 9m,12m,15 b. 9m,12m,16m c. 9m,9m,81m c. 9m,9m,12m
It's math I don't understand please help 
Follows • 1
Expert Answers •1

07/22/18

I am having a very hard time understanding how to find cost of the car in this question. I don't understand how sales tax work?
Miles paid $5,824, including 4% sales tax, for an out-of-state purchase of a car. In order to calculate the amount of sales tax he owes in his state, he must first determine the price of the car... more
Follows • 1
Expert Answers •1

07/20/18

where is 1 million lost
I want to buy a car, but do not have money, I borrow to the A = 50million and to the B = 50Million total 100 million. I bought the car a price of 97 million, the remaining 3 millionTo reduce debt,... more
Follows • 1
Expert Answers •1

07/19/18

How do I explain this to my daughter?
Mrs. Washington gives a total of $20 to Charlie and Isaac. If Isaac gets 4 times as much as Charlie, how much does Charlie get?
Follows • 1
Expert Answers •1

07/19/18

To drive to a different school I want the answer desperately
The distance from DCA to WAU is 13 miles. If a car is travelling at 65 mph how many minutes would it take to drive from DCA to WAU.
Follows • 1
Expert Answers •1
All

07/19/18

Like nutrients and water ,energy also recycles through an ecosystem
anil gautam
Follows • 1
Expert Answers •1

07/19/18

Find 2 irrational no. Between 6/5 , 7/5 in decimal form
This question is from number system of cbse 9th ncert 
Follows • 3
Expert Answers •3

07/18/18

Help with logarithms
An economist has found the following function for the number of mobile phones (in millions) sold worldwide since the year 2014: V(t) = 1244.74 · 1.1439t t= time in years. t=0 is the year 2014... more
Follows • 1
Expert Answers •1

07/17/18

how to solve E=〖mc〗^2 M = 3
cant figure this one out, betting it's easier then I figure. I need an expert, been given 2 answers so far.
Follows • 2
Expert Answers •2

07/17/18

Sequences - Need help for exam question!
The following terms are given: U1 = 196830  U4 = 7290 and U7 = 270   The starting term is U0   Is this an arithmetic or geometric sequence? Motivate your answer.   I tried finding the common... more
Follows • 2
Expert Answers •2

07/16/18

what was the combined sales revenue in march for the parts and services divisions of jack's auto service?
april sales: $11,000 (%10 increase over march) service april sales: $70,000 (%25 increase over march)   i don't need the answer so much as how to figure out the answer.  the question is from a... more
Follows • 1
Expert Answers •1

07/16/18

owner question
If two sets have 720 one-to-one correspondences pairing them, how many elements are in each set?There are 720 one-to-one correspondences between two sets with nothing elements each.
Follows • 1
Expert Answers •1

07/15/18

If there are 89.96 pesos in 2 dollars. How much is 12 dollars in pesos?
if there are  89.96 pesos in 2 dollars. how much is 12 dollars in peso?
Follows • 1
Expert Answers •1

07/14/18

I need help with this problem
f(x)=3x-2 and g(x)=x²-4, then find:    •4f(2)-3g(-1)=?   • g(f(1))= ? 
Follows • 1
Expert Answers •1

07/13/18

Values of an equation
The graph of y = ab^x is decreasing and passes through the point (0,4). what values are possible for b?
Follows • 1
Expert Answers •1

07/13/18

Value of A (algebra)
neeed this asap. the graph of y = ab^x is decreasing and passes through the point (0,4). What is the value of a?  
Follows • 1
Expert Answers •1

07/13/18

Suppose you have a sequence that begins {1200, 1150, 1100, 1050}.Use a recursive definition to define your sequence.
I think I have the answers but want to double check this is what I have a1= -50an = an-1-50 Would this be correct or incorrect
Follows • 3
Expert Answers •3

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.