6,938 Answered Questions for the topic mathematics
The distance between two European cities is about 2600 km. Convert this to miles.
2600 km ≈ __ mi(Type an integer or decimal rounded to two decimal places as needed.)
Follows
•
1
Expert Answers
•1
![]()
How many of each type of box is it carrying?
A delivery truck is transporting boxes of two sizes: large and small. The large boxes weigh 60 pounds each, and the small boxes weigh 30 pounds each. There are 110 boxes in all. If the truck is...
more
Mathematics Math
05/14/21
Is y=-2x-1 an equation if the line for a slope is -2 and the y intercept is -1?
Am I right on this or not, I'm not exactly sure
Mathematics Math
05/14/21
Identify the x- and y-intercepts of 4x – 2y = 8. Then, graph the line
I don't understand someone please help
Mathematics Math
05/14/21
Find the equation of the line passing through (3,-4) and (6,8) in the form y=mx + b
Please help I don't understand
Mathematics Math
05/14/21
The lines in which pair are parallel?
(a.) y= 2x + 2 & y= 3x + 2(b.) y= -2x + 3 & y= 2x - 2(c.) y= 0 & y= 25(d.) y=3x-4 & y= x+5Please help I don't understand
Mathematics Math
05/14/21
Find an equation for a line with slope 0 passing through (-1, 4)
I don't understand please help.
Mathematics Math
05/14/21
Need Help On Math Question
Serge is choosing a cell phone plan and wants the lowest cost. Cell-a-Bration charges $12 per month plus $0.05 per minute for cell phone service. E-Phone charges $28 per month for unlimited...
more
Mathematics Math
05/14/21
Math Word Problem, Need Help
The question says:Caleb wants to ship a package to Alberta. He has two options:I) Postal Express charges $6 plus 1 $ per kilogram. II) Next day Delivery charges $2.50 per kilogram a) Write an...
more
Mathematics Math
05/14/21
Rearrange 8x + 2y + 11 = 0 into the form y = mx + b. Then identify the slope and y-intercept
Someone please help me I don't understand
05/14/21
Precalculus Question
Write an expression for the apparent nth term of the sequence.3, -3, 3, -3, 3, ...
Follows
•
1
Expert Answers
•1
![]()
Please help me with chemistry math problems: URGENT PLEASE ANSWER
What is the heat required to vaporize 90.8 g of liquid ethanol, C2H5OH, at its boiling point? The ΔH° of vaporization of ethanol is 39.3 kJ/mol. Use a molar mass with at least as many significant...
more
Follows
•
1
Expert Answers
•1
![]()
Express Base number
Express (1 x 4³) + (3 x 4) + 2 as a number in (i) base four.(ii) base two.
log₉ 8 = P, log₉ 12 = Q, log₉ 11 = R, Find log₉ 3/4
Follows
•
1
Expert Answers
•1
![]()
Mathematics Math
05/13/21
A plane flew 1,800 miles in 3 1⁄2 hours. How many hours would it take to fly 2,400 miles?
Follows
•
2
Expert Answers
•1
![]()
05/13/21
Q; The door prizes at a dance are gift certificates from local merchants.
The door prizes at a dance are gift certificates from local merchants. there are four $10 certificates, five $20 certificates, and three $50 certificates. The prize envelopes are mixed together in...
more
Follows
•
2
Expert Answers
•1
![]()
05/13/21
Q; A game consists of rolling a die.
A game consists of rolling a die. If an even number shows, you receive double the value of the upper face in points. If an odd number shows, you lose points equivalent to triple the value of the...
more
Follows
•
1
Expert Answers
•1
![]()
Mathematics
05/13/21
− x^2 − 6 x + 8
Samsung is also in the business of selling phones. The data for the profit that Samsung makes on selling tablets is represented by the following equation and "P(b)" and "b" being the number of...
more
Mathematics
05/13/21
X=12 and y=36, find y when x=10
05/13/21
Solving a triangle
Solve for the triangle (find all angles and sides). Use different formulas.
Follows
•
1
Expert Answers
•2
![]()
![]()
05/13/21
chossing a trig formula
Explain why which of the following trig formulas you would; SOH CAH TOA, Sine Law, or Cosine Law to find the indicated variable in this diagram. .
Follows
•
1
Expert Answers
•1
![]()
Please help me with chemistry math problems
What is the heat required to vaporize 90.8 g of liquid ethanol, C2H5OH, at its boiling point? The ΔH° of vaporization of ethanol is 39.3 kJ/mol. Use a molar mass with at least as many significant...
more
Follows
•
1
Expert Answers
•1
![]()
please help me with chemistry and heat
Calculate the amount of heat needed to melt 2.0 kg of iron at its melting point (1809 K) given that: ΔHfus = 13.80 kJ/mol.A. 27,600 kJB. 25,000kJ C. 494 kJD. 27.6 kJ
Follows
•
2
Expert Answers
•1
![]()
05/13/21
pls slove it.,step by step.I tried but can't.
1.Find an equation for the conic that has center at (0, 0); major and minor axes along thecoordinate axes; passes through (3, 2) and (1, 6). Sketch the curve, and label the foci,vertices, compute...
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.
