6,938 Answered Questions for the topic mathematics

Mathematics Chemistry Physics

04/04/21

Request To Find Fraction of Mass of Atmosphere Below Mount Everest
If I am standing at the top of Mount Everest with a height 8848 meter so what fraction of mass of atmosphere is below me assuming that isothermal atmospheric temperature is 260K?Best... more
Follows • 2
Expert Answers •1
Mathematics Calculus Algebra

04/04/21

Explain why x^2 + a^2 times square root of x^2 + a^2 = (x^2+a^2)^3/2

Follows • 1
Expert Answers •1
Mathematics

04/03/21

Who’s that are evenly divisible by both six and 14 are also divisible by which of the following numbers
A.8 B.12C.21D.28
Follows • 1
Expert Answers •1
Mathematics Math Linear Algebra

04/03/21

Determining possible values of determinant A
Let A be a 3 x 3 matrix and let 1/8A^3 - 1/2A = 0. What are all possible values of detA?A) -8, 2, 0B) -8, 8, 0C) -4, 2D) 4, 2E) 2, 0
Follows • 2
Expert Answers •2
Mathematics Math Proofs

04/03/21

Let x,y∈Z. Prove that if x and y have the same parity, then x^2+xy is even
Follows • 1
Expert Answers •1
Mathematics Math Sat Math Act Math

04/03/21

Mathematics: proof with sets
A) Prove that given sets S and T, we have S⊆T if and only if S=S∩TB) If S∩T=T∪S, then S=TC) If SxT=TxS and both T and S are nonempty, then S=T
Follows • 1
Expert Answers •1
Mathematics Math Highschool

04/02/21

2 bears and honey
it takes a bear nine more days to eat a barrel of honey alone then it takes the bear and the second bear to eat the barrel of huney together it takes the first bear seven fewer days to eat a barrel... more
Follows • 1
Expert Answers •1
Mathematics

04/02/21

Find a missing coordinate using slope

(9,-9) and (-2,w) has a slope of -1 . What is the value of w
Follows • 1
Expert Answers •1
Mathematics Math Elementary Math

04/02/21

HELP ME PLS! I REALLY NEED HELP!
For each equation write a story problem represented by the equation 1.5x = 6 and 3/4 + x = 2. I don't need to find the value of the variable, I just need help with the word problem. Only the word... more
Follows • 1
Expert Answers •1
Mathematics Perimeter Area Volume

04/01/21

Find the area of rectangle HIJK with vertices H(4,-3), I(-3,-3), J(-3,-6), and K(4,-6).
Follows • 1
Expert Answers •1
Mathematics Math Biology Statistics

04/01/21

how do i convert 65±5 (Mean±SEM) mmol/g to nmol/g?
Follows • 1
Expert Answers •2
Mathematics

04/01/21

Please help! I need this answer, I don’t know how to do my daughters work and neither does she..
Machine A makes 12.75 ounces of popcorn in 3 minutes. Machine B makes 18 ounces of popcorn in 4 minutes. If each machine makes popcorn for 10 minutes, will there be enough popcorn for eight 9-ounce... more
Follows • 1
Expert Answers •1
Mathematics Math

04/01/21

Octagon calculation
If each side of an octagon is 13.5 feet, what is the measurement across from flat side to flat side?
Follows • 1
Expert Answers •1
Mathematics Algebra Ii

04/01/21

In which quadrant does θ lie if the following statements are true: sinθ<0 and cosθ<0
What quadrant does this lie in?
Follows • 1
Expert Answers •1
Mathematics

04/01/21

What's the correct change?
Ok my mom has a20$ and she's wanting change for it so I said mom I have 2 5$ and she hands me the 20$ is that the correct math for that or do I owe her 10$ still?
Follows • 1
Expert Answers •1
Mathematics Math Discrete Math

04/01/21

How many 8-bit strings have weight equal to 4?
The weight of a bit string is the number of 1’s that it contains. How many 8-bit strings have weight equal to 4?
Follows • 1
Expert Answers •2
Mathematics Math Algebra 1 Algebra 2

04/01/21

A baseball is hit into the air a table shows how its height change over time.The relationship between x time in seconds and y the baseball height can be described by y=−16x2+bx. when it hits ground?
a baseball is hit into the air. The height shows how its height changes over timehttps://docs.google.com/document/d/1-zDRfiOH_K3_0Z4xV6zfGVW5AYpgDzmPLV2HAwWCyr0/edit?usp=sharingthe relationship... more
Follows • 1
Expert Answers •1
Mathematics Math Algebra 1 Algebra 2

04/01/21

The linear factors of a quadratic expression are (x – a) and (x – b), where a and b are constants, and a > b > 0. Which of the following is true about the zeros of the related quadratic function?
The linear factors of a quadratic expression are (x – a) and (x – b), where a and b are constants, and a > b > 0. Which of the following is true about the zeros of the related quadratic... more
Follows • 1
Expert Answers •1
Mathematics

04/01/21

The base of a rectangular prism has a length of 15 inches and a width of 13 inches. What is the area of this base of the prism in square inches?
I'm confused and stuck I really need your help. Thanks!
Follows • 1
Expert Answers •1
Mathematics Math Algebra 1 Algebra

04/01/21

Growth trend:The graph shows the number of students enrolled in a high school over a 7-year period. If this trend continues, approximately how many students will be enrolled in year 9?

The graph shows the number of students enrolled in a high school over a 7-year period.(i cant attach a pic sry)Year 1: 1200 studentsYear 2: 1350 studentsYear 3: 1450 studentsYear 4: 1600... more
Follows • 1
Expert Answers •1
Mathematics 9thgrade

04/01/21

Please Help Mathematic 9th grade
The line with equation x-2y=1 intersects the curve(circle) with equation x2+y2-13 =0 at the points P and Q.Find the coordinates of P and Q.
Follows • 1
Expert Answers •1
Mathematics Math Logic Algebra

04/01/21

how many students who only like science?
In a class there are 50 students, with 12 students liking math and science lessons. If there are 2 students who do not like mathematics or science and the ratio of students who only like... more
Follows • 1
Expert Answers •1
Mathematics

04/01/21

draw a line segmant that is 6.5cm. then construct the perpendicular bisector
Follows • 1
Expert Answers •1
Mathematics Math Algebra 1 Algebra

04/01/21

how many answers have been answered correctly?
In the math competition it is determined that the correct answer will get a score = 2, the wrong answer will get a score = -1, while if you don't answer will get a score = 0. Of the 75 questions... more
Follows • 1
Expert Answers •1

03/31/21

What percent of these integers contain only odd digits?
There are 900 3-digit integers, the integers between 100 and 999, inclusive.
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.