22d

Please help me with this problem!

Yellowstone National Park is a popular field trip destination. This year the senior class at High School A and the senior class at High School B both planned trips there. The senior class High... more

Please help me with evaluation

Evaluate Options: 10.5 12.5 23 25

Length of the parking lot

The perimeter of a rectangular parking lot is 350 m. If the width of the parking lot is 82m, what is it’s length

01/09/20

Average Velocity

A particle moves on a line away from its initial position so that after t hours it is s = 4t^2 + t miles from its initial position. Find the average velocity of the particle over the interval [1,... more

What dimensions would guarantee that the garden has the greatest possible area?

A gardener has 920 feet of fencing to fence in a rectangular garden. One side of the garden is bordered by a river and so it does not need any fencing.

12/19/19

Is there a rule for when to use 2Pi/b = period or 360/period?

When writing equations for sine or cosine application problems, sometimes the instructor leaves the solution in radians and sometimes they divide 360 by the period. Is there a rule for when to use... more

12/13/19

How many mm/s are in one km/h?

I know i should use dimensional analysis, but I don't know how to set it up and continue after I set it up (I did algebra 1 last year and forgot). Thanks! ;) ;) ;) ;) ;)

11/18/19

PHysics Question

A certain steel railroad rail is 13 yd in length and weighs 77.4 lb/yd. How much thermal energy is required to increase the length of such a rail by 3.1 mm? Note: Assume the steel has the same... more

11/17/19

How to measure the maximum height of a ball ?

How do I explain and show a formula for how I can use mechanical energy conservation to calculate the starting speed of a ball?

11/03/19

U-tube density question

A U-tube contains liquid of unknown density. An oil of density 850 kg/m³ is poured into one arm of the tube until the oil column is 12.5 cm high. The oil-air interface is then 4.5 cm above the... more

10/25/19

I need help with a physics question

Lets say a pendulum turns all of its KE to PE at the top of its swing. If the bottom of the swing is at a height of 0 m, how high above the ground is the pendulum at the top of its swing?mass=... more

10/08/19

Suppose you build an architectural model of a new concert hall using the scale factor of 55 how will the surface area of the actual concert hall compared to the surface area of the scale mom

The service area of the actual concert hall is? Times as great as the surface area of the scale model

Help my question pls! Arithmetic sequence

In an arithmetic sequence, the 9th term is twice the 3rd term and the 15th term is 80. Find the common difference and the sum of the terms from the 9th to the 15th inclusive.

09/26/19

find the height of the building

The angle of elevation to the top of a building in a city is found to be 3 degrees from the ground at a distance of 2 miles from the base of the building. Using this information, find the height of... more

08/29/19

Solve the equation. 8r-9=6r-11

08/15/19

Is negative 7/8 a rational number, integer, or whole number

iis- 7/8 a ratinal number, integer, or w hole number?

What is the Big Bang

1 3

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