# Posts by Bianca

Total # Posts: 225

chemistry/ partial pressure
N2 was collected over water at 25 degrees C. The resulting pressure was 705 torr. The vapor pressure of water at 25 degrees C is 23.8 mm. What is the partial pressure of N2?

chemistry
Given 6.00 L of N2 at -25 degrees C. Find Vol in L at 100K

math
one side of a triangle is 1.5 inches long.the two angles it touches are 30 and 100 degrees

Science
hi denna its bianca i'm sorry but i forgot the answer hahaha

Physics
204 km/h at 75 degrees north of east

Math
A drawer contains 22 black socks, 22 white socks, 22 blue socks, and 22 brown socks. If the light is off and Matt reaches into the drawer to get his socks, what is the minimum number of socks he must pull out in order to be sure that he has a matching pair? He must pull out a ...

math
IN COIN BANK 58

Math
Solve for x: x2 + 4x + 2 = 0

Math
Determine the values of x for which x-5/3x+6 is undefined

Math
Harry has test grades of 85, 87, and 77 on his first three algebra tests. What must he get on his fourth test to earn an average of at least 84?

biology
i go to K12 it is a home schooling program and i think it is very hard......can you pleasehelp me??

geometry
A pole makes an 85 degree angle with the ground what is the measure of the angle the pole makes with the vertical?

algebra
When the like terms are the same number but opposite (positive and negative) would they cancel each other out?

math
450

The two circles have equations x^ + (y-3)^2 = 49 and x^2 + (y-17)^2 =49. find the equation of the larger circle. The diagram looks like two circles on top of the other then a large circle outside.

algebra
1.56 x 10^2 + (5^2)^4=?

algebra
(3+2)^2 x 6^9

math
a certain company makes inflatable swimming pools that come in four rectangular sizes.the length of each pool is twice the width and twice the depth.the pools are 1 foot ,2 feet,3 feet and 4 feet deep.what is the area of the surface of tge water of each swimming pool?if the ...

college
The width of a rectangle is 25% of the length. The perimeter is 250 cm. Find the width and the length of the rectangle.

CRIMINOLOGY
Does the states criminal system follow the rule of law which is set forth in the constitution and is federal law?

math(rate of change)
{{{(f(6) - f(0))/(6-0) = (6^2 + 2*6 - 0^2 - 2*0)/6 = 48/6 = 8}}}

algebra
the equation y=1777x+27,153 can be used to predict the number Y of gun deaths in the US X years after 2000, that is x=0 corresponds to 2000, x=3 corresponds to 2003, x=4 corresponds to 2004, and so on. Predict the number of gun deaths in 2004 and 2009, In what year will the ...

algebra
Dertermine whether ech binomial is the difference of two squares, If so, factor it, if not explain why? -m^6 36s^2-4t^2 9b^4-200 x^2-16 x^2y^2+196

science
what pressure is required to cause n2 to have a density of 1.00 g/L at 45 C?

chemistry
Arrange the following aqueous solutions in order of increasing freezing points (lowest to highest temperature): 0.10 m glucose, 0.10 m BaCl2, 0.20 m NaCl, and 0.20 m Na2SO4.

question
A temperature of 41 degrees F is equivalent to 278.2 degrees K, while a temperature of 86 degrees F is equivalent to 303.2 degrees K. Find the equation converting Kelvin temperature to Fahrenheit. What is the Fahrenheit temperature when it is 180 degrees K? on converting ...

algebra
Find the functional values f(-2), f(0), and f(1) for the function. ƒ(x) = X²- 1

algebra
What is an example of a real life situation that could be modeled by a function.

algebra
Graph the following equations; calculate the slope, x-intercept, and y-intercept, and label the intercepts on the graph. Find the area of a rectangle if three of its corners are (-0.1,-3.4), (-7.9,-3.4), and (-0.1,6.8). one I draw the graph how do I figure out the area of the...

algbra
how would I do th equation on this problem?

algbra
Graph the following equations; calculate the slope, x-intercept, and y-intercept, and label the intercepts on the graph. Find an equation in slope-intercept form passing through the points (-6.2,18.1) and (-3.4,18.1).

ALGEBRA
Find an equation in slope-intercept form passing through the points (2,5) and (7,-3). M=(-3,-5)/(7,-2) M=-8/5 IS THE SLOPE [Y=MX+B] 5=-8/5*2+B 5=-16/5+B 5+16/5=B (25+16)/5=B 41/5=B THE Y INTERCEPT Y=-8X/5 +41/5 HOW WOULD I SHOW A GRAPH ON THIS PROBLEM?

algebra
A consumer electronics company sells 6.7 million MP3 players per month at a price of \$100 apiece; when the price is lowered to \$80, the company sells 10.2 million players per month. How many MP3 players can the company expect to sell per month at a price of \$75? (100, 6.7) and...

CRIMINOLOGY
what are some social conflicts with the death penalty?

CRIMINOLOGY
What types of social conflict exist in American culture today? Are they productive conflicts, producing results for those who need help?

algebra
The final grade for a particular course is calculated by dividing total points earned by total points available. There are 120 points available in the first half of the course, and 140 points in the second half of the course. If a student earns 81% in the first half ofthe ...

Math
Show me how to solve 3(+4x -1)<2

math
WHAT IS 60X30 LOL WAT

Physics
The shuttle is orbiting the earth at a distance of 500km above the earths surface. Assumingan astronaut has a mass of 72kg, what is the force of gravity upon him or her? You may assume the earth has a mass of 5.98 x 10^24kg and a radius from the center to the surface of 6....

MATH
Determine the values of x for which x-5/3x+6 is undefined

science
which of the following are not examples of centripetal acceleration

algebra
The question is: You plan on attending a picnic for the up coming holiday. You can either go to your sister's picnic who lives 10 miles west of your house or to your friends picnic who lives 10 miles east of your house. write an absolute value inequality that represents ...

Pre-algebra
Lydia wrote 4.5 pages on her science report in 1 hr.What was her writing rate in pages per minute?

algebra
Mixture Problems Template – Price Problems Copy the problem from the lesson: 1. A store manager wishes to reduce the price on her fresh ground coffee by mixing two grades. If she has 50 pounds of coffee which sells for \$10 per pound, how much coffee worth \$6 per pound ...

english
What does opportunity mean in today's current social and academic contexts

Biology
Describe the features of the nasal cavity that moisten, clean, and warm the air as it passes through this cavity on its way to the lungs.

Chemistry
how many moles of Ba(OH)2 are present in 295mL of 0.400 M Ba(OH)2?

Chemistry
I made a graph and i used line of best fit. How do i find the slope of the line?

Physics
A man measures the acceleration of an elevator using a spring balance. He fastens the scale to the roof, and suspends a mass from it. If the scale reads 98N when the elevator is at rest, and 93N when the elevator is moving, (a) what is the acceleration of the elevator? (b) in ...

history
what act can you remember and celebrate dr.kings legacy

hurry i need help
it was in the east that's all i know sorry

sammy is right acute is less than 90 degrees right angle is 90 degrees obtuse is above 90 degrees

Life...
I see. Thanks!

Life...
Do i need to take precal and physics in highschool to become a nurse, dentist, or doctor?

Physics
How did you get -35 on #2?

Multiplicative inverse
Is the multiplicative inverse for 12/13 13/12?

Multiplicative inverse
Is the multiplicative inverse for 12/13 13/12?

Algebra
What is 9m+2m-8=5(m-2)

Algebra
What is 9m+2m-8=5(m-2)

Chemistry
the nitrate (NO-3) salt of the metal ion

math
a number divisible by 4 and 5 not by 6

algebra 1
i don't know how to solve the following: 3(x+2y)+\$(3x+y)

What the heck?

algebra
Abraham Lincoln, gettysburg address begins with the phrase (four score and seven years ago.) He was refering to a period of time that was 87 years long. How many years are represented by a score? is the answer 2 or is it 12.43

college physics
the pressure is ether 30 or a 10

math
if a+b=c and c=8 and d+e=f and f=21 e=18 d=3 and e,d,c,and b are in a circle that sum is 20 what is the answer

college cornerstone
what time and financial constraints have you face since starting college? How did you deal with them

math
The measure of the supplement of an angle is 20 degrees more than three times the measure of the original angle. Find the measures of the angles.

trig
Two men on the same side of a tall building notice the angle of elevation to the top of the building to be 30o and 60o respectively. If the height of the building is known to be h =120 m, find the distance (in meters) between the two men.

US history
war..

US history
what were the effects of the nightly tv coverage of the vietnamese?

what kinds of energy take place when you turn a light switch on?

arithmetic
322

Chemistry
a volume of 50mL of a standard HCl solution is needed to neutralize 50 mL of 1x10-2 M NaOH. what volume of this HCl solution is needed to neutralize 50 mL of 1x10-2 M Ba(OH)2

chemistry
what volume of carbon dixoide (CO2) will be produced if 2.90 moles of iron (Fe) is produced

Math
Mark hid a \$10 bill inside his favorite book. He forgot the pages where he hid it. If the sum of the pages where the bill is hidden is 177, on what pages will Mark find his money?

Math
Thanks Bob. Can you show me how you came up with your answer. That is what I am struggling with Thanks

Math
assume that the speed of automobiles on an expressway during rush hour is normally distributed with a mean of 62 mph and standard deviation of 5 mph. What percent of cars are traveling faster than 62 mph? How would I work this problem out?? Thanks for any and all help anyone ...

If your circle is 27 sq in. Here is how you would work it out to find the radius. A(area)=3.14(pie) times R(radius) times R 27sq in. = 3.14 x R x R= 27sq in/3.14 x R x R= 8.59 sq in x R = 8.59 sq rt= 2.93 So your radius = 2.93 hope this helps

algebra1
Marcy has a total of 100 dimes and quarters. if the total value of coins is \$14.05,how many quarters does she have?

college
A train departs its home station traveling at 50 mph. It is 400 miles from your location. How long will it take to arrive at your location?

how do you find the prime factors of 24

math
what are the prime factors of 24

math
5cars 3 balls 2 fish How many more children like cars than fish 5 cars 3 balls 2 fish How many few children like fish than balls

physical science
if a block of wood drooped from a tall building has attained a velocity of 78.4 m/s, how long has it been falling?

Math
How does the square root of -6i-8 equal 1 +3i?

pre-algebra
3 1/2 * 1 1/2

Physics
Explain further pls

i don't have a answer bec. there are no question

math
1. Number Sense: write three numbers that are greater than 1,543,000 and less than 1,544,000 2. Put the planets in order from the one closest to the sun to the one farthest from the sun. Earth 93,000,000 Jupiter 483,000,000 Mars 142,000,000 Mercury 36,000,000 Venus 67,000,000

MATH
A COPY MACHINE CAN DUPLICATE 18 PAGES IN 45 SECONDS. AT THIS RATE,HOW MANY PAGES CAN BE DUPLICATED IN 60 SECONDS?

college algebra
day in a half

Math
what is scale inteval

science
According to the rock cycle, which of the following transitions are possible? Assume an unlimited number of steps. A. An intrusive igneous rock becomes a sedimentary rock. B. A sedimentary rock becomes soil. C. A metamorphic rock becomes an extrusive igneous rock. D. All of ...

science
why do you think some stalactites grow without a stalagmite below them, or some stalagmites grow without a stalactite above them?

CIVICS
what does the department of justice do?

Why did richard sell the anti-negro newspapers

physics
64.4

civics
I have another question. what examples can i write about the rights that the 10th amendment protects?

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