10/20/17
What is this 1-year percent change?
The following functions give the population of three towns in terms of the number of years, t, since 1995. Use this information to answer the following questions.Let L represent the population of...
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10/20/17
Write the point-slope form of the line that passes through (6, 1) and is parallel to a line with a slope of -3.
i cant figure out how to solve these problems
10/20/17
Define a function to represent the situation
An air freshener starts with 35 grams and evaporates. In each of the following situations define a function that gives the remaining mass of the air freshener (in grams) in terms of the number of...
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Metric system
if a motorcycle traveled 50 miles in 4 hours, how many feet would the motorcycle have traveled per minute
10/20/17
My sprinklers currently put out .33 inches of water per hour. How long do I need to run the sprinklers to water 1/2 inch?
My sprinklers currently put out .33 inches of water per hour. How long do I need to run the sprinklers to water 1/2 inch? I would need to solve the same eq for .34 inches, .38 inches & .49...
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10/20/17
The population of a town today is 40000 people.
If the population decreases with a constant rate of change and the decrease is 6% in the first year, what will the town's population be in 10 years?
10/20/17
10 mL block of copper is 40 g. How would you solve for density?
this is a hard math problem and I need some help wit it plyz help
thompson’s experiments led to the discovery of the neutron
iejjtjjtjnenjrjtjtjtj. jrjdnnf jdjbf fhjfbfbt hjfhfnbf t bfjjfnfntb. thjfjfjhtht. bfjjffntjtbfnt. fjjfbfb
10/20/17
Rock thrown vertically down. Find the time taken
A girl on a bridge throws a rock straight down at -12.5 m/s. It hits the ground 38.4 m below.
How much time did it take ?
10/20/17
What is the magnitude of the acceleration due to gravity at this distance? ( 𝑀E = 5.98×1024 kg and 𝑟E = 6.38×106 m )
Synchronous communications satellites are placed in a circular orbit that is 3.59×107 m above the surface of the earth.
10/19/17
A ball rolling down a hill was displaced 19.6m while uniformly accelerating from rest. If the final velocity was 5.00m/s. What was the rate of acceleration
A ball rolling down a hill was displaced 19.6m while uniformly accelerating from rest. If the final velocity was 5.00m/s. What was the rate of acceleration
10/19/17
Two sides of a triangle have lengths 7 and 13. The third side has a length that is ______.
This is geometry and triangles
Can you help me with this problem on root square mean?
According to kinetic-molecular theory, in which of the following gases will the root square mean speed of the molecules be the highest at 200°C?
A. SF6
B. H2O
C. Cl2
D. HCl
E. None
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10/19/17
The sum of a number and 7 is less than 15
i don't understand math and need help on this question so I understand math alittle more
10/19/17
Determine whether y = 5(0.6)^t represents exponential growth or exponential decay. Then identify the percent rate of change.
nothing
10/19/17
Replace 《 》in each of the following with the correct number
Replace 《 》in each of the following with the correct number:
2=《 》 《》= 35
8 9 6 60
10/19/17
What is the magnitude of the car’s displacement in meters, as it accelerates uniformly from a speed of 84 km/h to one of 104 km/h?
A certain car is capable of accelerating at a uniform rate of 0.79 m/s2. What is the magnitude of the car’s displacement in meters, as it accelerates uniformly from a speed of 84 km/h to one of 104...
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10/19/17
What minimum constant acceleration does this require if the aircraft is to be airborne after a takeoff run of 221 m?
An aircraft has a liftoff speed of 37 m/s. What minimum constant acceleration does this require if the aircraft is to be airborne after a takeoff run of 221 m?
10/19/17
Solve the systems of equations
4x+3y=-13
3x-5y=12
I have done this problem and cannot figure out what the answer is.
10/19/17
Find the equation of the line through the points (5,-6) and (-4,-6).
I got y=0/-9x-6 but it does not seem right.
10/19/17
Find the equation of the line with slope -3 and going through the point (3,11).
I got y=3x+20 and was wondering if it is right.
momentum and speed
what is the momentum of a 70kg athlete jogging in a straight line on level ground at a speed of 6.0 m/s
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