04/12/17

What can scientists​ determine by studying the fossil and the rock where it was found
 Can it be A: Exactly when the animal died  B:when the animal began to mature C:the time period when the animal lived
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04/12/17

Have you ever passed judgement on someone because his or her writing or speaking skills?
Have you ever passed judgement on someone because his or her writing or speaking skills? What specific conclusions do people tend to draw about a person who's writing or speech is filled with... more
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04/12/17

if m>n, can 2m(m+n) be a perfect square?
I'm trying to solve a problem that ask can right angle triangle have a square perimeter and it comes to the point that ask, can 2m(m+n) be a perfect square if m>n.
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04/11/17

physics diffraction 2.0
A diffraction grating with line spacing of 2592 lines per cm creates its first bright spot 8.0 degrees from the central bright spot. Find the wavelength of the line illuminating the diffraction... more
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04/11/17

(2sqrt 6a + 7) - 2a = 0 #solve the equation
(2sqrt 6a + 7) - 2a = 0 #solve the equation
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04/11/17

Four people are going to run a relay race that is 1/3 mile long. If each person runs the same distance, how far will each person run?
This a small math word problem I need someone to check my work by solving this question, thank you.
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04/10/17

f(x)=3x+1/x-5
find the domain of the rational expression. 
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04/10/17

If you had a block of each type of wood with the same dimensions how would their weights compare explain
Please explain the question "if you had a block of each type of wood with the same dimensions how would their weight compare explain" 
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04/10/17

(6 = sqrt 2z - 3 - 3) #solve the equations
(6 = sqrt 2z - 3 - 3) #solve the equations
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04/10/17

A number times 7 increased by 3 is 59
Translate the statement into an equation 
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04/10/17

physics wavelength question, please help :)
A diffraction grating with line spacing of 2531 lines per cm creates its first bright spot 9.4 degrees from the central bright spot. Find the wavelength of the line illuminating the diffraction... more
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04/10/17

How many zeros are in the solution to the function f(x) = -7x^2-21x+40
show how to do it 
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04/10/17

differential equation
solve f'(x)=-4x^2+3x-1 given that f(1)=0
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04/10/17

5r^2+r+1=0
Discriminate
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04/10/17

Limits to infinity
lim as x tends to infinity of (1/5)ln(x/2x+5)    The answer is -ln(2/5) . I dont understand how you get this. 
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04/10/17

the luminosity of a star with a radiuc of (6.40x10^6) meters and surface temperature of 30,000 kelvin is ___Watts
the luminosity of a star with a radiuc of (6.40x10^6) meters and surface temperature of 30,000 kelvin is ___Watts
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04/10/17

562.5 minus 25%
Please help me with this word problem
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04/09/17

The volume of a gas is 25.6 mL at 32◦C and 0.891 atm. What will the volume be at 16◦C and 1 atm?
Ive tried every equation an I still cant get the answer 
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04/09/17

Equation for the tangent line
Suppose f(1) = 4, and the tangent line to f at x=1 goes through the point (0,2).  Find an equation for the tangent line to f at x=1. 
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04/09/17

temperature
AS cube of gold weighting 192.4 grams is heated from 30.0 degrees C to some higher temperature, with the absorption of 226 calories of heat. The specific heat of gold is 0.0300 cal/g degrees C.... more
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04/09/17

Let W is a subspace of R^n spanned by n nonzero orthogonal vectors. show that w=R^n? (Algebra)
This question is related to Algebra and needs urgent answers please.
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04/08/17

Find average velocity for s = 150t − 18t^2, where s is its position in meters, for time t=0 to t=5
using the average value theorem. 
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04/07/17

a plane flies at a speed of 400mph how long will it take her is the map scale is 1in=300mi
400 mph map scale is 300mi equals 1in
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04/07/17

y-intersept = 8, (2,6) wright an equation for the straight line
y-intersept = 8, (2,6) wright an equation for the straight line
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04/07/17

a snowball is thrown with an initial velocity of 20 m/s at an angle of 60 degrees with the horizontal. Will it clear the top of the 3-meter taller wall of the s
a snowball is thrown with an initial velocity of 20 m/s at an angle of 60 degrees with the horizontal. Will it clear the top of the 3-meter taller wall of the snow fort 34m away?
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