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Posts by Gabriel

Total # Posts: 134

maths
23m round off to the nearest 5m

riddle
The answer is Earth/land Why;because it's big that's in size Old/New;because it's been there even before our ancestors and newly it's about these generation

Physics
A person makes a quantity of iced tea by mixing 668 g of hot tea (essentially water) with an equal mass of ice at its melting point. If the initial hot tea is at a temperature of 86?C, what are the (a) final temperature of the ice tea (in ?C) and (b) mass of the remaining ice...

Physics
In a calorimetry experiment, an object of mass M= 9.2 kg falls through a height of 35.5 m and, by means of a mechanical linkage, rotates a paddle wheel that stirs m= 0.92 kg of water. The water is initially at 20?C. What is the maximum possible temperature rise of the water...

maths
3x-2y=1 and 2x+y=-4

math
one of the angles of a triangle is 100 degree and the other two angles are equal. find each of the equal triangle

problem solving
34+7

problem solving
Sandra is eight yrs younger than her brother mike. six yrs ago mike was three times old of Sandra. how old is mike? how old is Sandra?

Physics
An all-terrain vehicle of 4000 kg mass moves up a 13o slope at a constant velocity of 6.00 m/s. The rate of change of gravitational potential energy with time is

Science
A rock is held steady over a cliff and dropped. 1.1 seconds later, another rock is thrown straight down at a speed of 12.1 m/s, and hits the first rock. How far have the rocks dropped before they collide? How long is the first rock in the air before it gets hits by the second ...

Physics
You take 4 measurements of the mass of a ball: 2.96 kg, 3.32 kg, 3.31 kg, 3.17 kg. What is the uncertainty of the average mass to 95% confidence? CL=95% N=4 CC=1.84

American government
My best is D

American Government
caller of BS is right, you can't track IP's like that. Its also against the law in most states because its a violation of privacy. Also even if it was possible, most anti viruses have VPN hide codded in meaning the IP address is changed and hidden. Also what would you ...

Goverment
My best answer is A personally

HELP PLEASE?!!
Circulatory systems of animals transport nutrients to tissues. Which system of plants performs a similar function? starch granules xylem and phloem tubes stomata apical meristems plant hormone system

Math
What is the question to 3x5(5x6)?

5a-2b=14 , 2a+2b=14
Use the method of elimination to solve the following pairs of simultaneous equation 8y+4z=7 6y-8z=41

Math JW Faulk Elementary School
The area of the table top is 18 square feet the perimeter of the same table is 18 feet what are the dimensions of the table top

Physics
A fighter plane is directly over an anti aircraft gun at a time t=0. The plane has a speed of 600km/hr. A shell is fired from an anti aircraft gun at the time t=0, in order to hit the plane. The muzzle velocity V is 1100m/s. Determine the distance the gun should be aimed ahead...

Match
Describe two ways you could evaluate 37% of the sum of 27 3/5 and 15.9. Tell which method you would use and why? THANK YOU!

algebra
Paving cost is $10.30 per square yard. find the total cost of paving the shaded area in figure 27-21. Round the answers to nearest ten dollars. 170'-0" Radius 92'0 is the degrees 256'-0" is the shaded area The sum total is 14780 please help

math
1,337,676

English
Write a story which ends with "when i woked up, it was all a dream".

social studies
@teacher You ain't a teacher, otherwise you would have a somewhat good grip on Spelling and Grammar

Math
Nat has 5 pieces of string. Each piece is 7/8 inch long. How many inches of string does Nat have?

HEALTH
The correct anwsers are B C A D

Math
What would be the inequality in terms of p.

Math
A store selling art supplies finds that they can sell x sketch pads each week at a price of p dollars each, according to the formula x = 2100 - 300p. What price should they charge if they want to sell at least 600 pads each week? (First use the formula to write an inequality ...

Math
A woman has a total of $10,000 to invest. She invests part of the money in an account that pays 6% per year and the rest in an account that pays 9% per year. If the interest earned in the first year is $750, how much did she invest in each account?

Math
Travis has a total of $6,000 invested in two accounts. The total amount of interest he earns from the accounts in the first year is $420. If one account pays 6% per year and the other pays 9% per year, how much did he invest in each account?

Math
A woman owns a small, cash-only business in a state that requires her to charge 6% sales tax on each item she sells. At the beginning of the day, she has $290 in the cash register. At the end of the day, she has $1200 in the register. How much money should she send to the ...

Math
Every item in the Just a Dollar store is priced at $1.00. When Mary Jo opens the store, there is $127.00 in the cash register. When she counts the money in the cash register at the end of the day, the total is $1,055.80. If the sales tax rate is 8%, how many items were sold ...

Math
The third angle in an isosceles triangle is 116° more than twice as large as each of the two base angles. Find the measure of each angle.

chemistry
If 125 cal of heat is applied to a 60.0-g piece of copper at 23.0∘C , what will the final temperature be? The specific heat of copper is 0.0920 cal/(g⋅∘C) .

math
Find the total surface area of the right cylinder. H= 12 and r = 7

science
Ms:Sue is starting to get very questionable on her help because all of her work seems that she gets work wrong

Math
My pattern is 509, 517, 525, 533, 541. What is the place value to describe how the numbers change?

Python programming Language
Hello, plz hav bin lookin for an answer to dis question too.. Am a student studying software engineering in india, plz mail me if you got any answer plz forward to cooproton@gmail .. Thanx, I'ld really appreciate it

statistic
20

Math. Explanation Needed
You know that 600 x 10 is 600,so you know that 621 divided by 59 quorum is going to be more then 10 because 621 is greater than 600.

7th Grade science
what did Wegener think happened to the supercontinent

MATH
cHIANG HAD 12 APPLES. SHE GAVE 5 OF HER FRIENDS 1/6 OF THE APPLES. HOW MANY DID EACH FRIEND GET.

third grade math
2 AND1/4 APPLES

Math
Write the following decimals as fractions and find the Quotients. 4.5 divided by 0.9= 0.6 divided by 0.12= 1.2 divided by 0.5= 22.5 divided by 0.5= 0.18 divided by 0.03=

Precalculus
Suppose daily operating profit, in dollars, for a movie theater is a function of the number of tickets sold with the rule P(x)=8.5x-2,500, for 0≤x≤1,000. a) Explain why the profit function has an inverse b) P(400)=900. Rewrite this equation in terms of P^-1. c) ...

Physics super difficult for me
Two small balls each of mass 15g are fastened to the ends of silk threads 1m long each and hung from a common point. They attain equilibrium at a distance of 20cm from each other. If one ball has a charge of -0.6microC, what is the charge of the other ball?

Chemistry
physical chemist

MATH 11 help PLease!
ok,i will just try it myself so that i can understand it.. thanks..

MATH 11 help PLease!
aah ok.. thanks a lot!!!;)

MATH 11 help PLease!
i know how to get the vertex and all the other stuff, i just don't understand where did you get 5?

MATH 11 help PLease!
where did you get 5?

MATH 11 help PLease!
A rectangular garden is made at the side of the house. Part of the house forms one side of the fencing and divided into four equal plots. If 90m of fencing is available, determine the dimensions for the entire garden that will produce a maximum area. how can i come up with a ...

Algebra
not sure though.. because sometimes i'm making mistakes in radicals...

Algebra
1. 0.45 2. 4sqt5 +9 3. -6sqt10 -75 4. 13sqt3 + 7sqt30

science/evolution
All lifeforms on Earth have a common system. ??

Maths
For logarithms, if asked to write in simplest form, is it better to write the argument in radical form or exponential form.

English
Is it: It is what it is; it was what it was. or It is what it is, it was what it was.

social studies
To what extent do consumers in advanced nations have an effect on the labour issues in developing countries? I know that advanced nations do have an effect, but I need to write an essay on this question and I will need to provide evidence and cite my sources to explain myself...

physics
1,600 Jaules

Physics A
C I B A I !

math
What is 7% of 360? How do I figure it out

math help
Write a translation rule that maps point D(7, –3) onto point D'(2, 5).

chemistry
if 27 grams of ice at 0 degrees celsius is added to 123 grams of water at 100 degrees celsius in an insulated container, calculate the final temperature. assume specific heat of water is 4.184 J/K g

accountancy
10

math
reason which is greater the greatest whole number with 05 digits or the least whole number with 06 digits

Math
the inverse function is: do it yourself before asking ok (;

math
what is the answer to 1+5-100-(356+5475)=

Math
Pauline jogs at 5 1/3 miles per hour for 1 5/6 hours. about how many miles has she walked?

MATH
THERE ARE 20 PAGES IN JAMAL BOOK HE READ 1/5 OF THE BOOK HOW MANY PAGES DID HE READ

MATH
12 DOGS IN THE PARK 2 OF THEM WERE DAMATIANS WHAT FRACTIONS WERE DALMATIANS

math
a piano has 88 keys.show with numbers the probability of hitting a particular key if you shut your eyes and strike a key.

Math
Bhu had $48, but received $100 as a birthday gift and used the money to pay off her debt. She spent half of the money on a gift for herself. Which expression BEST represents the number of dollars Bhu has left? a.(-48+100)÷2 b.(48+100)÷2 c.-48+100÷2 d.2(48...

math
week 1 3 miles week 2 7 miles week 3 11 miles week 4 15 miles sophia predicted that jhon will run 32 miles during 9th week. use words symbols or numbers to explain wether sophia's prediction is correct

algebra
Mellissa receive three times as many points as janice. how to write that expression

10th geometry
A tabletop represents a plane. Examine the combination of points and lines that hold each tabletop in place. Removing one point or line would cause the tabletop to wobble or fall. In geometry, we say that these combinations of points and lines determine a plane. For each photo...

10th geometry
21 and 22, find the lengths xand y. (Every angle on each block is a right angle.)

Statistics
The speed of limit on a particular freewayis 65mph. A radar system revealed that the actual speed of traffic is approximately normally dostributed with the average of 68mph and standard deviation of 4mph. What proportion of cars exceed the speed limit

english[proffesional writting]
what benefits do students get from being fit and healthy?

science
write down ten balanced equations

chemistry
calculate for weak acid with ph 0,1M of CH3COOH (K=1,8*10-5)

chemistry
calculate for strong electrolyte the ph of 0,1M pf HNO3

chemistry
calculate the molar concentration of substance in a solution containing 5,85g of Nacl2 in 200cm cube solution

Math
i got a cd for $4000 that earns 5% interest, compounded quartely if the cd matures in 4 years how much money will be available

algebra 2
7/x+5/x-3

Biology: Why do cells divide?
cells must divide since cells need to be small in order to function right and to make new cells

calculus - INTEGRATION
A balloon, rising vertically with a velocity of 16 feet per second, releases a sandbag at the instant it is 64 feet above the ground. a. How many seconds after its release will the bag strike the ground? b. At what velocity will it hit the ground?

calculus - integration
answer is 7.1m ... i just don't know how to get there

calculus - integration
A baseball is thrown upward from a height of 2m with an initial velocity of 10m/s. Determine its maximum height. S(0) = 2m S'(0) = 10m/s S'(t) = -32t + 10 S(t) = -16t^2 + 10t + 2 I know that if you equal s(t) = 0 you get time, but how do I get maximum height? Thanx in ...

calculus - applied problems
Max area - A Norman window is constructed by adjoining a semicircle to the top of an ordinary rectangular window. Find the dimensions of a Norman window of maximum area if the total perimeter is 16 feet. - - - - - --------- ! ! ^ !<-x/2->! y --------- <---x--->

calculus - applied problems
Max area - A Norman window is constructed by adjoining a semicircle to the top of an ordinary rectangular window. Find the dimensions of a Norman window of maximum area if the total perimeter is 16 feet. - - - - - --------- ! ! ^ !<-x/2->! y --------- <---x--->

English
What are the correct answers? PLease.

geomitry
the first angle of a triangle is complementry to the third angle. the second angle is 16 degrees less than five times the first angle. find the measure of the largest angle of the triangle.

physics
Use T= 2pi(sqrt(m/k)) Solve for k .010966277

language and arts
i have a hard time in languages and arts

5th grade
hare will have traveled 21 miles from haretown before he meets with tortoise who traveled 6 miles from tortoiseville.

5th grademath
How fast were they walking to cover the 200 and a half mile?

algebra
solve 2x^2 = 9x. round to the nearest tenth. a)x = 0 or x = -4.5 b)x = 4.5 c)x = 1.5 or x = 3 d)x = 0 or x = 4.5 i think the answer is d but i could be wrong

algebra
which quadratic formula would be used to solve the following quadratic equation? 4x^2 - 5x = -2 can you show me the correct answer and how do it please

Chemistry
A gas occupies a 1.5 liter container at 250C and 2.0 atmospheres. If the gas is transferred to a 3.0 liter container at the same temperature, what will be the new pressure?

Please help!!!!!!!!!!! algebra
Shanne and Kate are preparing to go on long car trips with their families. Shane bought 8 books and 2 CDs for $73.50. Kates bought 3 books and 4 CDs for $69.95. Both totals were without tax. All of the nooks were the same price and all of the CDs cost the same. How much did a ...

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