# Posts by tay

Total # Posts: 133

**Physics**

The displacement of a standing wave on a string is given by D=3.6sin(.54x)cos(37t), where x and D are in centimeters and t is in seconds. What is the distance in cm between the nodes in centimeters? Give the amplitude of each of the component waves, meaning that there two, in ...

**math**

Helppp me! Need this in about 10 min. earlier the better!!!! pleaseee:) anyways... neg. 9/10 plus neg. 1/6 =?

**Math**

What is neg. 9/10 + neg. 1/6? Pleaseee help im stuck:/

**physics**

so the answer to a should be -14.9 m/s and c should be -.08?

**physics**

okay i got the answer to b. now is a v(2)= vo+(9.8)(2) or v(2)= vo -(9.8)(2)?

**physics**

i still cant do it

**physics**

A helicopter is rising at 4.7 m/s when a bag is dropped from it. (Assume that the positive direction is upward.) (a) After 2.0 s, what is the bag's velocity? (b) How far has the bag fallen? (c) How far below the helicopter is the bag?

**science**

A rectangular brick measures 6cm by 9cm by 20cm and has a mass of 2.563 kilograms. Calculate the bricks volume in cubic centimeters, and cubic milimeters

**math**

4-(-h)=68

**English**

Here is my thesis can you please help: Even thought childhood obesity is not only the parents' fault but the child's as well, having a strong parent who help promote healthy eating and exercise can help with the health problems that will occur during there lifetime. ...

**English**

I need help on formulating this into a paper that has to be 1500 words: I.Being a strong supportive parent can become tough especially if you’re a single parent. A.Some parents may have to work long late hours. 1.The obese children will eat whatever they like since they ...

**math**

1 is tillien datime 2 is gordon bluddy

**Physics**

29cm at 59 degress North of East

**pre alg**

How do u find the GCF with exponets in a 7th gr. pre alg. class?

**trig**

how do i do this? give the signs of the six trig functions for each angle: 74 degrees?

**english 1**

i have to do a paragraph and i have to write bout if i can change one thing wat wood it be and three reason ill take anything

**algebra**

how to do unit rate $60 for 8 h there is more like 3/4lb and 861bagels/3d and 850cal/1.25h

**chemistry**

What does the statement" The properties of salt are different from the properties of the elements that go into making them" mean?

**language arts**

retribution means the opposite of distribution or collection.

**algebra 1**

what is the area of the largest circle that will fit in a square with area 64cm squared? EXPLAIN. please help this stumped me

**Science**

umm what is photosynthesis correct me if im wrong they use it as food combining sun and water to create a sugary substance they use as food.

**science**

I don't know but i have the same question on my homework and i cant find it anywhere.

**Architecture**

When you draw an elevation from a floorplan, how do you determine the vertical height of windows and doors?

**chemistry**

i have this same homework problem

**chemistry**

thank you but the set up for the total valance electrons is confusing?

**chem**

also what does it mean when they say write the abbreviated notation (based on noble gas) for s? how do i begin to do this

**chem**

thanks

**chem**

also what does it mean when they say write the abbreviated notation (based on noble gas) for s? how do i begin to do this

**chem**

what is the spdf electron configuration for s? i got [NE]3s23sp4 as an answer is this correct?

**Math**

A triangular garden plot has one 16 foot side. The height perpindicular to that side is 12 feet 6 inches. If each plant requires 36 sq. in. of space, how many plants can be placed in the plot? Divide the area of the triangle by the area required per plant. That will give you ...

**Science**

What's the number of stage micrometer units in 10 ocular units using 4x, 10x, and 43x objectives ?

**Neon**

gas

**math**

a manufacturer's cost is given by C= 300 cube root of n + 1200, where c is the cost and n is the number of parts produced. find the cost when 8 parts are produced. help please!!!! We have C = 300n1/3 +1200 Substitute 8 for n to get C = 300*81/3 +1200 You should know that ...