Wednesday

July 30, 2014

July 30, 2014

Total # Posts: 65

**Chemistry**

How Many molecules Of sodium are contained in 2 L Of sodium dichromate? The density Of sodium dichromate is 3.7 g/ml

**Math**

Sarah was cutting fabric for a quilt. She cut a strip of fabric that was inches long into 5 equal pieces. When she was finished cutting, Sarah had a piece that was inches long. How long was each piece that she cut for the quilt

**CST GEOMETRY**

a tree is situated on level ground from a point 135 feet from the base of the tree the measure of the angle of elevation from the ground to the top of the tree is 43 degrees which is the height of the tree to the nearest foot?

**Algebra**

The area of a triangle is 22 , with a base of 8 yards. What is the height, in yards?

**Math **

4 ^ (3x–1) = 1.5625 × 10 ^(–2)

**algebra**

math question: you want to mat and frame a 5x 7 photograph. The perimeter of the outside of the mat is 60 inches. the mat is twice as wide at the top and the bottom as it is on the sides. Find the dimensions of the mat

**MATH**

459+20x=559 5 hours

**MATH**

459+20x=559 5 hours

**physics**

A student throws a set of keys vertically upward to his fraternity brother, who is in a window 3.95 m above. The brother's outstretched hand catches the keys 1.80 s later. (a) With what initial velocity were the keys thrown?

**Chemistry**

Magnesium metal reacts with HCl solution, liberating H2 gas and generating Mg2+ cations in solution. A 2.970-g sample of Mg metal is added to 50.0 mL of a 4.00 M HCl solution, and the reaction goes to completion. How many grams of H2 are formed?

**chemistry**

Iron reacts with HCl solution to give H2 gas and Fe2+ ions. Suppose that 5.4 g of iron are to be dissolved in 1.1 M HCl. What is the minimum volume (in mL) of the acid solution required to react with all of the iron?

**Geometry**

Two secants are drawn to a circle from an external point. The external secant length on the first secant is 12 and the internal segment length is 3x +1. The external secant length on the second secant is 15 and the two internal segment length is 3x-1. Solve for (x) to determin...

**Math**

Three times as many children as adults attend a concert on Saturday. An adult's ticket cost $7 and a child's ticket cost $3. The theater collected a total of $6,000. How many people bought tickets?

**Math**

Three times as many children as adults attend a concert on Saturday. An adult's ticket cost $7 and a child's ticket cost $3. The theater collected a total of $6,000. How many people bought tickets?

**mba business reserach methods**

Sampling A manufacturing company's quality control personnel have recorded the proportion of defective items for each of 500 monthly shipments of one of the computer components that the company produces. See data below. The company doesn't have time to review all of th...

**algebra**

x*84=12*91 x*84=1092 x=1092/84 x=13

**3rd grade**

hundred chart to subtract 12 from 46

**math**

explain how you can use a hundred chart to subtract 12 from 46

**English**

thanks :)

**English**

thank you :) What are the main differences among lifestyles?

**English**

i don't know that is traditional and modern lifestyles.

**English**

can you help me to answer these questions? What lifestyles (lifestyle is a manner of living that reflects the person's values and attitudes) can people lead? What are the main differences among lifestyles? What do you have in mind when you speak about luxurious, traditiona...

**3rd grade**

writing in math explain how you can use a hundred chart to subtract 12 from 46

**Chemistry**

Write net ionic equations for these reactions : Cu^2+ + Fe -> Hg^2+ + Fe-> Fe^3+ +Fe-> Pb^2+ +Fe-> Ag^+ + Fe-> and then the same but instead of Fe, addition of Cu to the six solution that I wrote before.. What ions are reacting in each case? please help me with ...

**urgent math**

write an integer for a profit of $12.00

**health**

thank you

**health**

what is a sentence with the word nutrition

**math**

can somebody show me how to do this? at what point on the graph of y= 3^x +1 is the tangent line parallel to the line y= 5x -1 ?

**math**

can someone actually show me all the steps to finding this deriviative. I keep doing the problem out and getting the wrong answer. Find the deriviative of: INVERSEsin(2t)^1/2

**math**

how do i find dy/dx using implicit rule? (x^2)y +x(y^2)=6

**calculus**

how do not understand how to find a deriviative of this function?Do i use chain rule and product rule? r= the square root of (theta*sin*theta)

**Calc--derivatives**

did u get e^(lnx) / x^2 ??

**Calc--derivatives**

ummm.. i dont understand your language! can you explain that in baby terms? thanks!

**Calc--derivatives**

find the der of y= x^(lnx) thanks

**phyisics**

why didyou use these equations Go to the bottom coconut 20=Vi*t-1/2 g t^2 Now go to the top coconut 20=40-1/2 g t^2

**phyisics**

and what do you mean by top and bottom? thanks

**phyisics**

waht is g?

**phyisics**

an orangutan throws a coconut vertically upward at the foot of a clif 40 m high while his mate simulaneously drops another coconut from the top of the clif. the two coconuts collide at an altitude of 20 m what is the initial velocity of the coconut that was thrown upward? i kn...

**Health-Care**

Some technical terms pass into common usage as knowledge about a field spreads. Think of three such terms that have passed into common usage recently

**Math**

compare to 1/2 to tell which fraction is greater 8/17 , 13/23

**math**

the water tank begins full.create a scatter plot to represent the amount of water in the tank over a 24-hours period

**science! help**

i know but i need more ideas!!

**science! help**

What are some ways that energy from the sun is being used in a community??? Please Help

**5th grade science**

What are some ways that energy from the sun is being used in a community!! Please Help

**social studies!!**

thanx!!

**social studies!!**

Why was a milliner important to the village?

**social studies!!**

What tools did a milliner use? I have needles, iron, thread, fabric, thimble, and scissors!

**science**

what force is keeping an object in the air and what force is bringing it down

**science**

I have a science fair project and i was wondering what is a good green plant to use that grows quickly?

**social studies!!**

THANX!! SOCIAL STUDIES IS CONFUSING SOMETIMES!!

**social studies!!**

What William Penn's and Benjamin Franklin's contribution to the Middle Colonies?

**social studies!!**

thanx!!! but i can't use it since i haven't learned about it!! It has to be about starting the middle colonies new york and new jersey!

**social studies!!**

I need a sentence using two of these three words!! proprietor, representative, and treaty!! HELP!!

**English!!**

thanx!!

**English!!**

I need help!! what is the blank? change: variable:: move:_______ private:public:: major:_______ ancient:old::______:new go:went::_____:rose tree:forest::star:galaxy please reply!!

**math (factoring)**

how do i factor: 4q² - 9r² ??

**science**

how dose oceanography effect the planet earth

**algebra**

yes thanx now i get it

**algebra**

ii still dont get it

**algebra**

i still dont get it

**algebra**

but why does X = -5 +9

**algebra**

how do you work this problem ???? . . . X+(-9)=-5

**Math help needed here**

please i need help in math now i'm in 10 grade but i'm very worry about the hspa i think that won't pass it if i don't have help i'm so confuse !!!

**chem**

He's right. When you reduce H2O2 in basic solutions you have to add OH- to balance the equation.

**Geometry**

how do you find length when you are given perimeter and width? area? the length of what??????? wow You divide the perimeter by the width!Somebody helped me with this question to. in.=4yd.

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