10/22/17

physics question
A 7.80-g bullet moving at 460 m/s penetrates a tree trunk to a depth of 6.40 cm.?(a) Use work and energy considerations to find the average frictional force that stops the bullet.(b) Assuming the... more
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10/22/17

temperature is to density like a ______ is to a _______.
those spots are supposed to be blank can you fill them in with answers  
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10/22/17

A car enters the freeway with a speed of 6.6 m/s and accelerates uniformly for 4.7 km in 3.8 min. How fast (in m/s) is the car moving after this time?
A car enters the freeway with a speed of 6.6 m/s and accelerates uniformly for 4.7 km in 3.8 min. How fast (in m/s) is the car moving after this time?
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10/22/17

When Maggie applies the brakes of her car, the car slows uniformly from 17.8 m/s to 0.0 m/s in 5.64 s. How many meters before a stop sign must she apply her bra
When Maggie applies the brakes of her car, the car slows uniformly from 17.8 m/s to 0.0 m/s in 5.64 s. How many meters before a stop sign must she apply her brakes in order to stop at the sign?
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10/22/17

A car accelerates uniformly from rest to a speed of 5.9 m/s in 8.5 s. Find the distance the car travels during this time
A car accelerates uniformly from rest to a speed of 5.9 m/s in 8.5 s. Find the distance the car travels during this time
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10/16/17

A cart has a mass of 0.20kg and is attached on a pulley with a weight hanging off a table that has a mass of 0.4kg
If the carts mass is 0.20kg and the mass of the weight hanging off of the table is 0.4kg, assuming there is no friction what is the carts acceleration?
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10/16/17

Child admission is $6.00 and adult admission is $9.30 , 159 tickets were sold for a total sales of $1257.60 . How many adult tickets were sold
 want the answer to check how I'm doing at these problems  
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10/02/17

What is the maximum revenue, and how many units should be manufactured to obtain this maximum?
A manufacturer finds that the revenue generated from selling x units of a certain commodity is given bythe function R(x) = 80x − 0.4x2 where the revenue R(x) is measured in dollars.
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10/01/17

A class has a ratio of girls to total students that is 5 to 8 there are 24 total kids how many boys
How many boys are in the classroom if the there 24 total kids and a ratio of 5girls to 8 total students 
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10/01/17

Determine if each number is a solution of 7 greater than or equal to -3k
Determine if each number is a solution of 7 greater than or equal to -3k 1. 2 2. -2 3. 0 4. -3  
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10/01/17

I could really use some help with this question. Can you please show your work so I can see how to do it right?
Assume f(x) = 4x+8 and g(x)=5.   What is the value of (f+g)(2)
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10/01/17

Bob is hiking for 60 miles. He could hike at 10 mph for the first two hours and then go the rest of the way at 30 mph. how long would this take
pls   Bob is hiking for 60 miles  
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10/01/17

Seven less than twice a number is less than the same number increased by three. Put this into an algebraic equation.
I need help solving this puzzle. I do not understand much of it
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10/01/17

against the wind a small plane flee 175 miles in 1hr and 10min the return trip took only 50 minutes. What was the speed of the wind?
against the wind a small plane flee 175 miles in 1hr and 10min the return trip took only 50 minutes. What was the speed of the wind? What was the speed of the plane in still air?
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09/17/17

How many child tickets were sold that day?
At the movie theatre, child admission is $5.30 and adult admission is $8.40. On Saturday, four times as many adult tickets as child tickets were sold, for a total sales of $933.60. How many child... more
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09/12/17

Tickets to the school play cost $6 for adults and $4 for students. How many more student tickets than adult tickets can Victoria but for $24
Tickets to the school play cost $6 for adults and $4 for students. How many more student tickets than adult tickets can Victoria but for $24
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09/11/17

If a squadron has 250 members, approximately how many are men?
The United States Air Force has 19 women for every 81 men enlisted. If a squadron has 250 members, approximately how many are men?
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09/11/17

How many tickets did the amusement park sell on Saturday?
An amusement park sells child and adult tickets at a ratio of 8:1, On Saturday, they sold 147 more child tickets thank adult tickets. How many tickets did the amusement park sell on Saturday?
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09/11/17

Find the velocity, acceleration, and speed of a particle with position function
Find the velocity, acceleration, and speed of a particle with position function r(t) = <-7tsin(t), -7tcos(t), 4t^2>   v(t) = <?, ?, ?> a(t) = <?, ?, ?> |v(t)|= ?
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09/10/17

the equation x^10-10x^2+5=0 has a root in the interval (0,2) true or false
the equation x^10-10x^2+5=0 has a root in the interval (0,2) true or false 
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09/10/17

Would the answer be t?
Vf^2=Vi^2+2ad is independent of what variable? (1) Vf (2) v (3) t (4) a    
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09/10/17

A rectangle is 5 times as long as it wide.The perimeter is 110 cm. Find the dimensions of the rectangle.
How would I turn this into an algebraic expression?
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09/07/17

if a rock is thrown upward on the planet mars with a velocity of 10 m/s, its height (in meters) after t seconds is given by H=10t-1.86t^2
if a rock is thrown upward on the planet mars with a velocity of 10 m/s, its height (in meters) after t seconds is given by H=10t-1.86t^2   (a) find the velocity of the rock after one second (b)... more
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09/07/17

PT=20. QS=6, and PQ=QR=RS. Find each length, QR? PQ? RP?, SP?, RS?, ST?, RT?, QR?
collinear points
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09/06/17

velocity of a plane 345 km p/h 35degrees west of north a wind blows north a 100 km p/h what is the resulting velocity
velocity of a plane 345 km p/h 35degrees west of north a wind blows north a 100 km p/h what is the resulting velocity
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