2,563 Answered Questions for the topic Maths

07/07/21

(2B.14) If a1 = 5 and r = ‒3, write the first four terms of the geometric sequence. A. 5, 15, 45, 135 B. 5, ‒15, 45, ‒135 C. 5, ‒10, 15, ‒20 D.

Follows • 1
Expert Answers •1

07/07/21

(2B.2) Write the first four terms of an arithmetic sequence whose first term is ‒14 and whose common difference is 10. A. ‒14, ‒ 4, 6, 16 B. 10, 14, 18, 22 C.‒14, ‒24, ‒34, ‒44 D.‒14, ‒10, ‒6, ‒2
Follows • 1
Expert Answers •1
Maths

07/07/21

Can someone answer this?
A garden is rectangular with a width of 14 feet and a length of 10 feet. If it is surrounded by a walkway 2 feet wide how many square feet of area does the walkway cover?
Follows • 1
Expert Answers •1

07/03/21

Help me solve this question please.

The heights of male students in a college are thought to be normally distributed with mean 170 cm and standard deviation 7.The heights of 5 male students from this college are measured and the... more
Follows • 1
Expert Answers •1
Maths

07/03/21

find the coordinates
Find the equation for the coordinates x1 = 0, y1 = -3, x2 = 8 and y2 = -7
Follows • 1
Expert Answers •1
Maths Ratio

07/01/21

ratio on students in a classroom
There are 30 students in a classroom. The ratio of boys to girls is . Some additional girls enter the classroom, and the ratio of boys to girls is now . How many girls entered the classroom?
Follows • 1
Expert Answers •1

06/30/21

What is the relation between y=sinx and y=cosx ? Explain it in 3-5 sentences..
Follows • 1
Expert Answers •1
Maths

06/27/21

Maths word problem with equation

A Tennis ball is thrown into Swimming pool from the top of a tall hotel. The height of the ball from the pool is modeled by D(t) = -16t2-4t +300 feet, where t is the time, in seconds, after the... more
Follows • 1
Expert Answers •1
Maths

06/27/21

Word problem with equation

A Tennis ball is thrown into Swimming pool from the top of a tall hotel. The height of the ball from the pool is modeled by D(t) = -16t2-4t +300 feet, where t is the time, in seconds, after the... more
Follows • 1
Expert Answers •1
Maths Math

06/23/21

Find the range of values of k for which the equation x2 + 2(k – 3)x + 33 – k = 0 has no roots.
Follows • 1
Expert Answers •1

06/22/21

Find the domain and range of h(x)=√1-3x
Follows • 1
Expert Answers •1

06/20/21

Work-time related math.
Working alone at their respective constant rates, A can complete a task in ‘a’ days and B in ‘b’ days. They take turns in doing the task with each working 2 days at a time. If A starts they finish... more
Follows • 1
Expert Answers •1

06/16/21

The mean temperature for the first 7 days in January was 6 °C. The temperature on the 8th day was 5 °C. What is the mean temperature for the first 8 days in January?
The mean temperature for the first 7 days in January was 6 °C.The temperature on the 8th day was 5 °C.What is the mean temperature for the first 8 days in January?
Follows • 1
Expert Answers •1
Maths Geometry

06/14/21

Geometry of Isosceles Triangles
Given an isosceles triangle ABC with AB = AC, D is a point on AB such that AD: DB = 3:1, E is a point on side AC, and when DE and BC are extended, they meet at a point F, such that DE:EF = 1:3.a)... more
Follows • 1
Expert Answers •1

06/14/21

Factor reminder math question.
When a negative integer x is divided by -5, the remainder is 1. When x is divided by 8, the reminder is -4. What is the largest value of the of the negative integer y such that x multiplied by y is... more
Follows • 1
Expert Answers •1

06/13/21

Mixture replacement math help.
A container contains 64 liters of pure milk. A replacement process takes place three times. A person takes out 16 liters of milk from the container and replaces it with 16 liters of water. Then 16... more
Follows • 1
Expert Answers •1

06/09/21

Solve: -5x^2 + 5 = -2x
The solution contains a reduced fraction ± another reduced fraction with a radical numerator. What is this fraction with a radical numerator?(A) ± (2√6 i)/5(B) ± (2√26)/13(C) ± (√26 i)/5(D) ±... more
Follows • 2
Expert Answers •2
Maths Geometry

06/09/21

Solve for t help please

Follows • 1
Expert Answers •1
Maths Statistics

06/08/21

Construct frequency distribution table by using class interval of 5
Arange data given below in an array and and construct frequency distribution table using class interval of 5 indicate class boundries and class... more
Follows • 1
Expert Answers •1

06/07/21

What is the maximum height the rocket reaches?
A rocket takes off from a height of 30 feet with an initial velocity of 150 ft/sec. The equation that models the path that the rocket takes is: (G)x = -16t^2 + 150t + 30. What is the maximum height... more
Follows • 1
Expert Answers •3
Maths Mathematics

06/07/21

The sides of an integral triangle are 4,8 and (20-2x).
The sides of an integral triangle are 4,8 and (20-2x). Find the sum of all values of x?
Follows • 1
Expert Answers •1
Maths Mathematics

06/07/21

The length of the rectangle with dimensions 8 cm to 3 cm coincides with the large side of the triangle. If the perimeter of the rectangle and triangle are the same
The length of the rectangle with dimensions 8 cm to 3 cm coincides with the large side of the triangle. If the perimeter of the rectangle and triangle are the same, then how many integral triangles... more
Follows • 1
Expert Answers •1

06/06/21

How do you calculate the confidence intervals for a population mean with only the sample mean and sample standard deviation?
I have a random sample and need to calculate the 95% confidence interval for the population mean(sample mean = 1076sample standard deviation = 80.61sample size is n=5)
Follows • 1
Expert Answers •1

06/04/21

if you can can answer this asap that would be splendid!

A pizza shop owner is monitoring the amount of cheese he uses each week. The polynomialsbelow model the pounds of cheese ordered in the past, where p represents pounds.Mozzarella: 3p^3 − 6p^2 + 14p... more
Follows • 1
Expert Answers •1

05/30/21

If a random variable X follows exponential distribution with parameter λ = 2 ,then its probability density function is given by
choose the correct answera. f (x)  2e2x , x  0 b. f (x)  12 e 12 x , x  0 c. f (x)  2e2x , x  0 d. f (x)  12 e 12 x , x  0
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.