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# X + y = 3. x - y = 7

What two numbers added together equals 3and then when it is subtracted equals 7

# How would you find sinx=.3

I dont get how to do this, the problme is  sinx=.3 you have to take the inverse of n.3 and you get .305 (round) but the i dont know where to go from there, you need 2 solutions and .305...

# In order to do work, the force you exert must be what?

This on my science study guide and i cant figure it out: In order to do work, the force you exert must be what?

# I don't know how to do algebra can you help me. I have this big exam coming up and im not ready for it.

it says factor the expression    18b^2  +  12b =        I don't know how to do this can you walk me threw it

# Alyssa has a CD that holds 700 megabytes of information.she has saved 53 pictures,each using 2.24 megabytes,to the CD.how much space is left on the CD?

alyssa has a cd that holds 700 megabytes of information.she has saved 53 pictures,each using  2.24 megabytes,to the cd.how much space is left on the cd       &...

# what year did bloody sunday massacre happen and where at?

I need help with my history homework. i need to find what year it happened in and where did it happen . Will you please helpp me. Im having a really hard time.

# John Doe had 549 baseball cards. He got three times that amount the next year. How many cards does he have in all.

Math story problem answer. I think it is 3*549+549. What is the answer?

# let A,B,C and D be the four rational zeros of the function defined by p(x)= 3x^4-8x^3-11x^2+28x-12 Compute (1+A)(1+B)(1+C)(1+D)

problem of the week final answer must be in the form of (1+A) (1+B) (1+C) (1+D) using the function p(x)= 3x^4-8x^3-11x^2+28x-12

# The cost to a newspaper company for Sunday home delivery is approximately \$0.68 per newspaper...

The cost to a newspaper company for Sunday home delivery is approximately \$ 0.68 per newspaper with fixed cost of  \$ 2,130,000. Write a linear equation that relates the cost C and the number...

# The perimeter of a rectangular floor is 180 feet. Find the dimensions of the floor if the length is five times the width

The perimeter of a rectangular floor is 180 feet . Find the dimensions of the floor if the length is five times the width.   The floor has a length of ?feet and a width of ? feet.

# How can i learn the TENER expressions?

I'm having trouble leaerning the folowing TENER expression: Tener prisa Tener Vergüenza Tener suerte Tener miedo Tener Razón Tener Sueño Tener Celos

# F(x)=6x+9 f(x-h)-f(x)÷h

F(x)=6x+9 F(x+h)-f(x)÷h

# the bacteria in a 8-liter container double every minute. After 55 minutes the container is full. how long did it take to fill the container.

The Bacteria in a 8 liter container double every minute. After  55 minutes the container is full. how long did it take to fill half the container.?

# Diana is buying seven avocados. Each avocado weighs 8 oz. How much will they cost her if avocados cost \$2.00 a pound?

I am working on operations with time and mixed units. The question is: Diana is buying seven avocados. Each avocado weighs 8 oz. How much will they cost her if avocados cost \$2.00 a pound?

# Balance and include physical states

Calcium Sulfide in water is added to Cobalt(II) Nitrate in water to produce Calcium Nitrate in water and Cobalt(II) Sulfide in water.

# how do i write the expression in the standard form a+b i? (9-5 i)(3 + i )

How do I write the expression in the standard form a + b I.  ( 9-5 i) (3 + i)  ?

# lewis structure

draw the lewis structure for NO+    I know that N has 5 electrons and O has 6, and -1 because of the charge. So, it's going to be 10 electrons in total and to get the number...