6,938 Answered Questions for the topic mathematics
Convert 20 mph to kilometers per minute.
Convert 20 mph to kilometers per minute.
Follows
•
1
Expert Answers
•2
![]()
Mathematics Math
03/24/22
Kelsey had 3 times the number of quarters (25 cents) in her bag than dimes (10 cents).
a. If she had a total of 68 coins, how many of them were quarters?b. What was the total dollar value of these coins?
Mathematics Math
03/24/22
In the formula N=L(1−d), find:
a. 'N', when L=$170.00, d=0.15b. 'L', when N=$210.00, d=0.3c. 'd', when L=$970.00, N=$230.00
03/23/22
Determine the value for A and B
Determine the value for A and B such that A / x+1 + B / 3x+2 simplifies to 2x-1 / (x+1)(3x+2)
03/23/22
Calculus Related Rates Question
Water is leaking out of an inverted conical tank at a rate of 8500 cubic centimeters per min at the same time that water is being pumped into the tank at a constant rate. The tank has height of 12 ...
more
Follows
•
1
Expert Answers
•2
![]()
![]()
03/23/22
Need help with proportionality and inverse proportionality
7 workers can do the job in 20 days. After 4 days of work, there was a need to complete the work in 18 days (So they have 14 more days left). How many more workers need to be hired?Can you please...
more
03/23/22
The average weight of 25 chocolate bars selected from a normally distributed population is 200 grams with a standard deviation of 10 grams.
The average weight of 25 chocolate bars selected from a normally distributed population is 200 grams with a standard deviation of 10 grams. Find the point estimate and the confidence interval...
more
In an arithmetic sequence with a₁=-24 and d=8, which term is 32?
In an arithmetic sequence with a₁=-24 and d=8, which term is 32?
Follows
•
1
Expert Answers
•2
![]()
Simplify the expression using exponent rules. Write the answer in scientific notation.
Simplify the expression using exponent rules. Write the answer in scientific notation.(6x107)(8x106)(9x108)
Follows
•
1
Expert Answers
•2
![]()
Assume an exponential function has a starting value of 13 and a growth rate of 0.35%. Write an equation to model the situation.
Assume an exponential function has a starting value of 13 and a growth rate of 0.35%. Write an equation to model the situation.
Follows
•
1
Expert Answers
•3
![]()
![]()
Convert the following:
Convert the following:a). 75 miles per hour to kilometers per hourb). 1500 square yards to square metersc). 25 cubic yards to cubic centimeters
Follows
•
1
Expert Answers
•1
![]()
Solve the following equations for the unknown variable:
Solve the following equations for the unknown variable:a). 4x2=1600b). 1/2x=12c). square root of x=7d). 3x=81
Follows
•
3
Expert Answers
•1
![]()
Imagine a road on which you lose 275 feet in elevation for every mile driven. There are 5,280 feet per mile.
Imagine a road on which you lose 275 feet in elevation for every mile driven. There are 5,280 feet per mile. a). Draw a triangle that demonstrates this situation. Label the sides.b). Find the slope...
more
Follows
•
2
Expert Answers
•1
![]()
1. A certain stock started at $55 per share, it is losing 12% of its value every week. Complete the following:
1. A certain stock started at $55 per share, it is losing 12% of its value every week. Complete the following: a). Fill out the table: Week Value 1 ...
more
Follows
•
1
Expert Answers
•1
![]()
Mathematics Probability
03/22/22
A green die and a red die are rolled . Find the probability that an odd number is rolled on the green die and a multiple of 3 is rolled on the red die.
03/21/22
Calculus Related Rates Question
Helium is pumped into a spherical balloon at a rate of 4 cubic feet per second. How fast is the radius increasing after 2 minutes?Rate of change of radius (in feet per second) = ???
Follows
•
1
Expert Answers
•1
![]()
03/21/22
SA and V review before test Question: 7
If a sphere has a circumference of 75.36 in., what formula should you use to find the radius? What is the surface area of the sphere?Let C=2πr equal the fourmula for the radius of the sphereThe...
more
03/21/22
SA and V review before test Question: 3
A company is designing a new cylindrical water bottle. The volume of the bottle will be 142 cm3. The height of the water bottle is 7.9 cm. What is the radius of the water bottle? Use 3.14 for...
more
03/21/22
7.1 Understanding Pythagorean Theorem Question: 17
An appliance store decreases the price of a 19-in. television set 19% to a sale price of $522.86. What was the original price? The original price of the television was $_____________(Round to...
more
03/21/22
7.1 Understanding Pythagorean Theorem Question: 16
A rental car agency charges $190.00 per week plus $0.15 per mile to rent a car. How many miles can you travel in one week for The number of miles you can travel in one week for $301.00 is ...
more
03/21/22
7.1 Understanding Pythagorean Theorem Question: 15
Solve the system of equations using subtraction.4x - 9y = 68x - 9y = 30The solution is ______________ (Type an ordered pair.)
03/21/22
7.1 Understanding Pythagorean Theorem Question: 13
Solve the system of equations by substitutiony = 3x - 133x + 2y = 19The solution is _____________(Simplify your answer. Type an ordered pair.)
Mathematics
03/21/22
The GCF of 48 and another number is 24 and their LCM is 44, find the other number.
Mathematics
03/21/22
Math problems need help
Suppose we want to choose 7 objects without replacement from 12 distinct object. How many times can this be done if the order of choices does not matter? How many times can this be done if the...
more
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.
