03/06/18

24 times what equals 60
 I don't know what 24 times what equals 60.
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03/06/18

.54 Kr moles to Kr grams
I need help I don’t undertsand how to convert moles into grams
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03/06/18

A diver descends 3.2 m in 5 mins. What was his average rate of descent in metres per minute? Write a division statement and give a statement answer.
 Math Grade 9 Word Problem.
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03/06/18

Six more than the quotient of a number and 13
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03/06/18

W varies directly as x^3 and inversely as y^2
If W=24 when x=2 and y=2, find w if x=3 and y=2
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03/06/18

Do moles change with volume?
Does increasing or decreasing volume change the moles in a solution, or does that just affect the concentration?   If I have 0.035711 moles in 100mL and I'm asked how many moles in 5mL of this... more
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03/06/18

How many nitrogen atoms are present in 35 moles of nitrogen molecules?
we in class got this answer for this problem 4.21*10^24 atoms but I don’t know how to solve it or how my teacher got the answer. 
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03/06/18

what is 4 more than a number is at least 17
I need to know the answer because my teacher will get mad if i don't.
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03/06/18

awnser to 3moles of NaCI in 12 liters of water
want the awnser solved
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03/06/18

Can you help me with this answer?
A particle with mass m = 1.67 x 10 -27 kg is being accelerated along a straight line at 3.6 x 10 15m/s 2 . If the particle has initial speed of 2.4 x 10 7 m/s and travels a distance of 2.8 cm, what... more
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03/06/18

Two consecutive integers are such that the greater added to twice the smaller is 52.find the number
The greater added to twice the smaller is 52  
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03/06/18

Please help with this word problem. I'm not understanding this concept and I have to show all of the work.
Suppose x and y vary inversely, and y = 10 when x = 4. Write a function that models the variation (1pt.). Then find y when x = 90 (1pt.).   Thank you
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03/06/18

Find y'' by implicit differentiation. 7x^2 + y^2 = 6
Calculus I Question. Need to find y'' for the following expression.
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03/05/18

Melvin pulls a shed across snow with a force of 364N along a rope The is 35 degrees
If the sled moved a distance of 70.3 m how much work did Melvin do?
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03/05/18

Find the average speed in meters per second for each distance and time round to the hundreds place 100 meters 10.49 seconds
Find the average speed in meters per second for each distance and time round to the hundreds place.   100 meters 10.49 seconds
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03/05/18

Bacterium doubling time
suppose that the doubling time of a bacterium is 32 hours and the initial amount is 20 How much do you have after a week? How long will it take to have 100? Graph the growth function in time t in... more
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03/05/18

Write and solve a story problem to add 12 and 18
I have problem with my homework
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03/05/18

If a $900 computer is on sale for 20% off, what is the sale price?
6th grade math
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03/05/18

two sets of three consecutive intergers have a property that the product of the larger two is one less than seven times the smallest
the answer to this question must be set up as an equation 
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03/05/18

The radius of the earth is approximately 6400 km.
The radius of the earth is approximately 6400 km. The equator is the circle around the earth dividing it into the northern and Southern Hemisphere. ( the center of the earth is also the center of... more
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03/05/18

Is the function below exponential?
q(r)=−8/3^r If so, write the function in the form q(r)=ab^r and enter the values you find for a and b in the indicated blanks below. If the function is not exponential, enter NONE in both blanks... more
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03/05/18

cells were discovered using telescopes
cells were discoered using telescopes  
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03/05/18

A 1 kg block sits at rest on a frictionless table An 6 g bullet is shot at 300 m/s towards the block and embeds itself into the block.
A.What is the final velocity of the block after the bullet embeds itself? B.Considering the initial and final kinetic energies, how much energy is lost in the process? C.The block with the bullet... more
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03/05/18

what is the gravitational potential energy of a book with a mass of .5 kg sitting on a shelf 1.5 meters above the floor?
 I need help
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03/04/18

A lighthouse is 33 m above sea level. The angle of depression to a small fishing boat is 24 degrees. How many meters is the fishing boat from the cliff?
A lighthouse is 33 m above sea level. The angle of depression to a small fishing boat is 24 degrees. How many meters is the fishing boat from the cliff?
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