04/13/20

Kinetic energy at height 2.5?
1.     Some bored physics students find a long bungee cord and decide to use it as a slingshot to launch a 1.6 kg ball straight up into the air. They find that it takes 25.6 N to... more
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04/12/20

Can I get some help on a Rotational Motion problem?
I don't know how this problem works at all.The initial angular velocity is 0 and the final is 40 rad/s. The time is 8 s, how do I find that angular displacement?
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04/12/20

What is the weight of a 15-kg child on Earth?
answers to choose from:1.53 Newtons24.8 Newtons147 pounds147 Newtons
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04/12/20

The data in the table is describing the heights of the Boston Celtics.
Data Set: 81,81,81,78,80,82,77,77,83,84,81,78,80,74,81,71,74,75,83,84,73,79a. What percentage of the players fall between 78 in –83 in, inclusive?b. What percentage of the players are below 74 in,... more
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04/09/20

A tennis ball of mass m = 0.075 kg is thrown straight up with an initial speed v0 = 12 m/s. Let the gravitational potential energy be zero at the initial height of the tennis ball.
m = 0.075 kg v0 = 12 m/s What is the maximum height, h in meters, the ball reaches? What is the work done by gravity, Wg in Joules, during the ball's flight to its maximum height? 
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12/03/19

The water from a sprinkler follows the path of the equation h(x)=-0.09(x-3.22)^2+1.53. What is the maximum height the water will reach in feet?
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12/02/19

Which of these two women is more likely to be the parent of two girls? Explain. 
Professor Robertson and Professor Simpson are both mathematicians. Professor Robertson tells you that she has exactly two children, at least one of whom is a girl. Then Professor Simpson tells you... more
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05/25/19

Given f(x)=4x^2-9 and g(x)=2x+3 find each value
Given f(x)=4x^2-9 and g(x)=2x+3 find each valueFIND EACH VALUE (f+g)(x) (f-g)(x) (fg)(x) f(g(3)) g(f(3))
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04/28/19

Intuitive reasoning why are quintics unsolvable?
I know that quintics in general are unsolvable, whereas lower-degree equations are solvable and the formal explanation is very hard. I would like to have an intuitive reasoning of why it is so,... more
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04/28/19

Algebra: What allows us to do the same thing to both sides of an equation?
I understand that the expressions on both sides of an equal sign are the same entity, and I know that when you modify one side, the other must be changed because it is referring to the same thing.... more
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04/17/19

help please thank you
4.The shorter leg of a 30°-60°-90° triangle measures 5 inches. What is the length of the longer leg? A.  inches B.  inches C.  inches D.  inches
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04/17/19

help please thank you
If X = 15 units, Y = 36 units, and Z = 39 units, what is the sine of B? A.  B.  C.  D. 
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04/17/19

college geometry
In the diagram below, ST⎯⎯⎯⎯⎯∥PQ⎯⎯⎯⎯⎯⎯∥LM⎯⎯⎯⎯⎯⎯∥CD⎯⎯⎯⎯⎯⎯.  Furthermore, SP=4x−1,  QM=x−3,  TQ=x+5,  , and PL=x+6.  Find the ratio of LC to MD.(Note that the diagram may not be drawn to... more
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03/20/19

which is irrational?
1) 4.632) 1/33) -84) the square of 11
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03/11/19

How do I find the area of a square

Hello, I was wondering if you could help me find the area of this question I’m only in 5th grade and this is really hard!! Thanks so muchproblem— Marie is clearing an area of her yard to turn into... more
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02/12/19

suppose that y varies directly with x, and y =8 when x = 20
find y when x = 7write a direct variation equation that relates x and y
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02/04/19

The length of each side of a square is 3 in more than the length of each side of a smaller square the sum of the areas of the squares is 549^2 find the lengths of the sides of the two squares
The length of each side of a square is 3 in more than the length of each side of a smaller square the sum of the areas of the squares is 549^2 find the lengths of the sides of the two squares
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01/31/19

Intrest/Value Equation
Monico invests a total of $10,500 in two accounts. The first account earned a rate of return of 14% (after a year). However, the second account suffered a 9% loss in the same time period. At the... more
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01/29/19

hey, i need help for this question... i just don get it.
this is what the problem says, Are 5n + 9 + n and 3(2n +9) equivalent expressions? use substitution to prove your answer. I really need help... please
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01/29/19

The ratio of Kelly's money to Vera's money was 7:3. After Kelly spent $35, she had $9 more than Vera. How much money did each girl have at first?
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01/29/19

Juan worked 2.5hours each day from Monday through Friday plus 7.5 hours on Saturday. His total pay for the week was $128. How much did he earn per hour

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01/29/19

Please Help I am lost
A child-care center has 200 feet of fencing to enclose two adjacent rectangular safe play areas. The length is 2x, and the width is y. Another fence along the width bisects the area, separating it... more
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01/29/19

Solve the given inequality in terms of intervals: 3x+3≥6
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01/25/19

MATH 62 Homework
Gail is thinking of a number n, and she wants her sister to guess the number. Her first clue is that nine less than two times her number is between negative seven and one. Write a compound... more
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01/25/19

Need help on my math Problem

A text message plan costs $8 per month plus $0.17 per text . Find the monthly cost for x text message
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