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Posts by Mackenzie

Total # Posts: 272

algebra
The most economical tin can to manufacture is one that is a right circular with height equal to twice the radius. one such can has a volume of 54 pi cm cubed. what is the total surface area of this can in cm squared?

alegebra
the water rises

algebra
would it be... you must draw at least 12 cards to get at least 2 from the same suit?

Chemistry
Does Pb(NO3)2 + AgNO3 form a precipitate?

math
i need help please!!! 20-(x-5)=3(3x+5)

Math
how do you do this?? -4x-7=-2(x+3)

math
oh ok thanks!

math
i still am confused?? what do i do???

math
the perimeter of the room is 16yd and the area is 16yd^2. What would the perimeter and the area of the room be in a scale drawing: 1ft to 4yd please help i don't get this at all!!!

time zones
so would it be the america/new york ??

time zones
what time zone is cincinatti ohio??? america/adak america/anchor america/chicago america/denver america/indian america/los angelas america/new york america/phoenician america/london america/honululu

Math
BUT HOW CAN YOU USE THEIR SUM TO CHECK THAT THE FRACTIONS ABOVER ARE CORRECT????

Math
MEDALS WON BY THE OLYMPIC US IN THE OLYMPIC GAMES. TOTAL=2407 GOLD=974 SILVER=772 BRONZE=661 FRACTION FOR GOLD IS 974 OVER 2407 FRACTION FOR SILVER AND BRONZE PUT TOGETHER IS 1433 OVER 2407 HERE IS THE QUESTON!!! LOOK AT THE FRACTON ABOVE. WHAT IS THEIR SUM AND HOW CAN YOU USE...

math
suppose a group of n people is randomly selected. For each value v of n, find the probability that everyone in the group has a differnet birthda;y. (assume no one is born on february 29 of a leap year, so there are 365 equally likely burthdays possible.)

math
suppose a license plate for a car has 4 letters followed by 1 number and 3 more letters. The letters and numbers are chosen randomly. a. how many license plates are possible? b. compare the probability that a license plate spells math4you with the probability that the first 4 ...

math
for a i thought you were supposed to do 9*8*7*6 and the answer that i got was 3,024. for b i got 9*8=72 for c i got 9*9=81 does that make sense

math
your social security number is a 9 digit number. suppose that the last 4 digits are chosen randomly from the number 0-9. a. how many sequences are possible for the last 4 digits? b. what is the probability of getting 5 or 0 in the last digit. c. what is the probability of ...

pre algabra
no like an answer for a an answer for b an answer for c and an answer for d not one big answer

pre algabra
how would i figure this out?? kaya has roses, lillies, tulips, dasies and poppies growing in her backyard. she wants to make a bouquet for her friend. how many combinations of types of flowers can kaya have in the bouquet is she uses: a. exactly 1 type of flower b. exactly 2 ...

social studies
what is the difference between a monarchy, theocracy, and a dynasty???

ancient civilizations
what political events supported the growth of Buddhism in china? Explain i have no clue what this could be PLEASE HELP

SCIENCE
CAN PARASITES BE ANIMAL LIKE PROTISTS AND FUNGI?? PLEASE HELP I AM SOOO CONFUSED WITH THIS???

science
can parasites be animal like protists and fungi?

PRE ALGEBRA
THE AVERAGE WEIGHT W (IN POUNDS) OF AN ATLANTIC COD AGED t YEARS CAN BE MODELED BY THE EGUATION W=1.16(1.44)^t. FIND THE RATIO OF THE WEIGHT OF A 5 YEAR OLD COD TO THE WEIGHT OF A 2 YEAR OLD COD. EXPRESS THIS RATIO AS A POWER OF 1.44!!!!!! HOW WOULD I DO THIS??? PLEASE HELP...

Pre Algebra
YES THIS IS BASED ON THE SAME QUESTION!!!!

Pre Algebra
HOW WOULD I GO ABOUT THIS QUESTION? JUNGER SAYS THAT EVEN A 10 KNOT INCREASE IN WIND SPEED CAN BE VERY DANGEROUS FOR A SHIP. PICK TWO WIND SPEEDS THAT DIFFER BY 10 KNOTS, AND COMPARE THE RESULTING WAVE ENERGIES. HOW WOULD I GO ABOUT THIS QUESTION??

Pre-Algabra
why did you multiply the second E to the 2nd power and the first E to the 4th power?

Pre-Algabra
Unfortunately for mariners, the total amount of wave energy in a storm doesnt depend on the first power of wind speed, but on the fourth power. The seas generated by forty knot wind arent twice as violent as those from a twenty knot wind, they are 17 times more violent. A ...

grammar
is it a prepositional phrase???

grammar
what type of phrase is under the staircase?

grammar
is when a preposition?

Ancient Civilizations
Who were the Xiongnu and were did they live?

Pre Algabra
Alight! Thanks anyway!!!! I kind of get it but do you think any one else can explain it?

Pre Algabra
OK! It was in our book but my teacher did say it would be a challange. Can you just explain it one more time?!

Pre Algabra
If there is a cylinder that has a volume of 100 ft, what would be the DIMENSIONS of the cylinder to have to LEAST surface area?

math
please help! explain it to me in a 7th grade way! i am taking pre algebra

math
what ends?

math
how did you figure that out? this is what i did! 100 divided by pie and i got 31.83098862 ft and then that multiplied by 2 is 100! please help me

math
i have an answer but i don't know if it is right! will you tell me if i am right or wrong. i got that the dimensions 31.83098862 ft by 2 ft would have the least surface area for the problem. am i right or wrong? can you help me????

math
i am only in 7th grade! Could you explain that a little more to me

math
what should be the dimensions of the cylinder if you wanted it to have the least amout of surface area as possible? the cylinders volume is 100ft cubed

MATH
what should be the dimensions of the cylinder if you wanted it to have the least amout of surface area as possible? the cylinders volume is 100ft cubed

grammar
ok thanks a lot. i am doing a feature article on it and i kept spelling it with an "e" and it kept telling me to change it to coliseum on microsoft word

grammar
how do you spell colesseum? i am not sure if i am right

Math
IT IS 4 2/3

grammar
THANKS!

grammar
does this word make sense in the sentence? flustered The speaker went right on with his speech, in no way flusterd or disturbed by the jeers and catcalls of a few rowdy hecklers.

grammar
ok thanks

grammar
does this word make sense in this sentence? domestic The minister saw from the statistics that imported goods were cutting into the domestic market.

math
ok i still don't get it

math
i don't get it can you tell me what x means

math
what is the true pattern not the simple pattern! 1, 0.5, 0.25, 0.125

math
yeah i know that! that is the simple pattern. i need the true pattern!

math
what is the true pattern for this sequence? 1, 0.5, 0.25, 0.125 i don't know how to do this

math
THANKS BIG SIS! YOU GOT THE RIGHT ANSWER!!!!!!!!!!!!!!!!

math
2 cakes are divided into 10 = pieces! there is a ring in one of the 10 slices in each cake. what is the probability that there is no ring in the first slice that you take in both cakes?

math
a 2 cakes are divided into 10 equal pieces. what is the probability that there is no ring in the fist slice or second slice? HOw do i get started???

Math
how would you go about this question? a 12 inch by 14inch rectangular cake is divided into 2 inch squares. if your piece is chosen at random what is the probability that my piece is chosen from the outside edge?

MAth
I do i figure out the answer to a geometry probability question?

math
The bamboo plant is one of the fastest growing plants in the world. One bamboo plant grew 36 inches in 24 hours If the plznt grew 16 inches tall at 8:00 am how tall was the bamboo plant at 4:00pm? step-by-step instructions

math
thank you

math
$42.67

math
A 30-second advertisement on a local television station during prime time costs the advertiser $1,280. To the nearest cent, how much does the ad cost per second? will you help me with step by step instructions

Algebra Two
From 1840 to 1850, the rate at which the percent of the labor force in nonfarming occupations increased was approx. linear. In 1840,31.4% of the labor force held nonfarming jobs. In 1850, 36.3% of the labor force held nonfarming jobs. Write a linear model for the percentage of...

Algrebra
How do I simplify this: -3(4y)

science
i got the same answer to

science
i got the same question to

Math
Need Help understanding Prime Factorization

Science
The water heated up due to the electrical current going through it, and some of it evaporated

math
what are the facters of 60 & 100 1, 2, 5, 10, 20, are some of the factors they have in common

Chemistry - solubility
it's based on intermolecular forces too. br and o are both nonpolar so it's all like "why would one be more soluable than the other?" but it's because br has more dispersion forces since it has more electrons. so br is a little bit more polarish (although...

Math
8xy

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