07/20/20

Algebraic word problem
The sum of the digits of a 2-digit number is 7. If the digits are reversed the new number is 32 more than 10 times the tens' digit of the original number. What is the original number?
Follows • 1
Expert Answers •2

07/20/20

Age difference word problem
Julia's age now is half that of Nicola's. One year from now, Julia's age will be three-fourth of Nicola's present age. Nicola is now n years old. What is the value of n?
Follows • 1
Expert Answers •1

07/20/20

give each student a bag of chocolate m&ms. divide the students into groups of 5 or 6. calculate the relative frequency distribution for color of m&ms for each group.
(a) what is your estimated probability of randomly picking a yellow? a red? (b) redo the calculations for the whole classroom. did the estimates change? (c) do you believe there is an equal number... more
Follows • 1
Expert Answers •1

04/30/20

A submarine starts at 215 sea level. It’s ascends 89 feet and then descends 164 feet. Represent its current depth with respect to sea level as an integer.
Follows • 1
Expert Answers •1

04/30/20

If the weather reporter stated that there is a 35% of rain tomorrow, what is the probability of no rain tomorrow?
If the weather reporter stated that there is a 35% of rain tomorrow, what is the probability of no rain tomorrow?
Follows • 1
Expert Answers •1

04/13/20

A particle is moving with the given data:a(t) = 3 cos(t)−2 sin(t), s(0) =0, v(0) = 4. Find the position of the particle as a function of time.
Follows • 1
Expert Answers •1

04/09/20

Statistics Question

A political candidate has asked you to conduct a poll to determine what percentage of people support her.If the candidate only wants a 1% margin of error at a 98% confidence level, what size of... more
Follows • 1
Expert Answers •1

02/25/20

Find the probability
If 5.9% of the patient has flu. The nurse can identify that an infected person has flu accurately 98% of the time. She can identify that a non-infected person doesn't have flu accurately 94% of the... more
Follows • 1
Expert Answers •1

11/04/19

The scores of students on a standardized test form a normal distribution with a mean of 140 and a standard deviaition of 12. If 36000 students took the test, how many scored above 149?
Follows • 1
Expert Answers •1

10/29/19

Theoretical Probability
I need help finding the theoretical probability of rolling two dice 50 times and the sum equaling 7.
Follows • 0
Expert Answers •1

07/15/19

Finding the area of a rectangle?
The perimeter of a rectangle is 210cm. The ratio of the length to width is 3:4: What is the area of the sign in square centimeters?
Follows • 1
Expert Answers •2

03/21/19

Growth or decay

F(x)=2x F(x)=100*(0.5)x
Follows • 1
Expert Answers •1

03/21/19

Y varies directly as X. If y=18 when x=6, how do you find the formula, then find y when x is 27?
Follows • 1
Expert Answers •2

11/30/17

16 pieces left. The ratio of black to red is 3 : 5. How many black pieces are on the board?
How many black are there?  
Follows • 1
Expert Answers •1

11/06/17

sarah is paying $2,400 to have a hot tub installed. she sets up an installment plan with the company that requires a 20% down payment. she currently has $500.25
sarah is paying $2,400 to have a hot tub installed. she sets up an installment plan with the company that requires a 20% down payment. she currently has $500.25 in savings does she have enough to... more
Follows • 1
Expert Answers •1

11/02/17

Linear Algebra And Matrix x2
  -6    1    7-6    1    4-12  2    11   this is a matrix  what is the rank of the above matrix?
Follows • 1
Expert Answers •1

11/02/17

Linear Algebra And Matrix
  {        -5  -3  -6     }                   [   -4    ]           [     x     ]{        -5   1   8      }        *        [    6      ]   =    [     y     ] {        -8   7  -6      }         ... more
Follows • 1
Expert Answers •1

11/02/17

Ratio, Direct and Inverse proportion
1. Of the number of student ID cards issued to newly enrolled students of University of Ghana, Legon, one-third (1/3) were issued to main campus students, one-third (1/3) of what remained were also... more
Follows • 1
Expert Answers •1

09/13/17

Chemist needs to mix 20% acid solution with a 70% acid solution to obtain the 8 liters 50% many liters do you
A chemist needs to mix a 20% acid solution with a 70% acid solution to obtain leave you a message asking how many liters each of the solution must be
Follows • 1
Expert Answers •2

09/13/17

You travel a distance of 500 kilometers in 10 hours. What is your average speed in kilometers per hour?
You travel a distance of 500 kilometers in 10 hours. What is your average speed in kilometers per hour?
Follows • 3
Expert Answers •3

09/13/17

limits as x approaches 2
limx→2- f(x)= limx→2+ f(x)=-1, but f(2)=1, then limx→2f(x) is -1 does not exist is infinite is 1  
Follows • 1
Expert Answers •1

09/09/17

the first 35 hours she works each week and $21.75 an hour for every hour after that if she makes 768.50 one week how many hours did
she paid $14.50 for the first 35 hours she works each week and $21.75 an hour for every hour after that if she makes 768.50 one week how many hours did she work 
Follows • 2
Expert Answers •2

09/09/17

if you toss 4 fair coins, in how many ways can you obtain atleast 2 heads?
Can you please explain I have no idea and im kinda confused
Follows • 1
Expert Answers •2

09/03/17

A line is perpendicular to y = x/3 - 2 and passes through point (6, 2).
Write its equation.
Follows • 1
Expert Answers •2

09/03/17

The function​ s(t) represents the position of an object at time equals 86s(3)=86
The function s(t) represents the position of an object at time t moving along a line. Suppose s left parenthesis 3 right parenthesis equals 86s(3)=86 and s left parenthesis 5 right parenthesis... more
Follows • 1
Expert Answers •1

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.