# Posts by Rocky

Total # Posts: 157

Puzzle Solving
RXhjaXRlbWVudCBhd2FpdHMuIE JpZyB0aGluZ3MgYXJlIG9uIHRo ZSB3YXkuDQpodHRwczovL2Rpc2 NvcmQuZ2cvWUZtcERaaA== Please help me to solve the given puzzle. the sequence and no. of words in a given line is same as in the question.

algebra
SteveI would like to see this problem worked out

algebra
the sum of a 2 digit number is 6 when you reverse its digits you increase the number by 36 my answer is 3 is that correct

algerbra

algerbra
6.50 s 5.00 k

algerbra
The school is selling tickets the first day the school sold 11 senior tickets and 4 child tickets a total of \$93. the school sold \$71 worth of tickets the second day 9 senior tickets and 2 child tickets find the price of a senior ticket and the price of a child ticket.

Math 1

Math 1
392n^4 + 168n^3 + 168n^2 +72n

Math 1
80x^4 - 60x^3 - 60x^2 - 45x

Math1
I need help working it out. This is poloynomials.

Math1
195x^5 + 168x^4 - 28x^3 - 24x^2 This is factoring I have looked at everything.

Math1
Bacteria can multiply at alarming rate when each bacteria splits into two new cells , thus doubling. If we start with only one bacteria which can double every hour , how many bacteria will have by the end of one day?

Math1
Find a bank account balance if the account starts with \$100 , has an annual rate of 4% , and the money left in the account for 12Yrs. This is a Exponential growth word problem.

math 1
t7 = -15 and t 20 =44

math 1
c) 36,31,25,21,... t7 and t20 arithmetic and geo metric

Math1
thank you Steve

Math1
I don't understand it . could you work this one for me .

Math1
use formula from 2c to find the values of t and t 7 20 c)36,31,25,21,...

math 1
90

math 1
Wei received \$55.35 in interest on the \$1230 in her credit union account. If the interest varies directly with the amount deposited , how much would Wei receive for the same amount of time If she had \$2000 in the account?

math 1
I don't understand

math 1
Karen earns 28.50 for working six hours. If the same amount m she earns varies directly with h the number of hours she works , how much will she earn for working 10 hours?

math 1
I need some help . I don't understand it.

math 1
A bottle 150 vitamins costs \$5.25. If the cost varies directly with the number of vitamins in the bottle, what should, how a bottle with 250 vitamins costs?

Math1
I need some help . I don't understand it

Math1
This is Direct Variation

Math1
The number of gallons g of fuel used on a trip varies directly with the number of miles m traveled . If a trip of 270 miles required 12 gallons of fuel, how many gallons are required for a trip of 400 miles?

math 1
thank you, I can say more then thank you.

math 1
(8,-6)

math 1

math 1
y = -3x + 18 3x + 4y =0

math 1
x + y = 8 y = 1/3x + 4

math 1
6x + 8y=4 8x -3y=19 I did elimination. 82y=-82

math 1
are you doing elimination

math 1
I just need to know if it is correct

math 1
72x-32y=24 -72x+27y=9 -5y=-15 y=3 8x-3y=-1 8x-3(3)=-1 8x - 9=-1 8x =8

math 1
9x-4y=-3 8x-3y=-1

math 1
82y=-82

math 1
48x+64y=32 -48x+82y=-14 82=-82 y=-1 6x+8y=4 6x+8(-1)=4 6x-8=4 6x=4-8 6x=12 X=2

math 1
6x+8y=4 8x-3y=19

math 1
6x - 16y =-34 -6x +21y =54 5y=20 y=4 2x-7y =-18 2x -7(4)=-18 2x - 28=-18 2x=10 x=5

math 1
3x - 8y = -17 2x -7y = -18

math 1
of substitution

math 1
systems of sub.

math 1
you have 28 coins that are all nickles and dimes. the value of the coins is \$2.05. Find the amount of nickles and dimes that you have.

math 1
4x+y=8 2x-3y=1

math 1
x=5 y=2

math 1
system of linear equations by substitution.

math 1
4x+y=2 -2x-3y=1

math 1
i need some help

math 1
c-3d=27 4d+10c=120

math 1
system of linear equations of substitution. a=2/b-3 a=2b-8

algebra
x=4 y=5

algebra
systems of linear equations by substitution. I need help, I am stuck

algebra
system of equations c-3d=27 4d+10c=120

algebra
basically you are saying it is no solution?

algebra
idk

algebra
-74

algebra
-38=-4k-8+4k-28

algebra I
-74=k

algebra I

algebra
I think it is 42 I don't know

algebra
David weighs 20lbs.more than katy ,while Jonathon weighs 120lbs. less than three times katy's weight. If David and Jonathon weigh the same amont , how mush does katy weigh? How much much does David and Jonathon weigh?

algebra
idk

algebra
Four times a number plus five times the number is the same as ten more then eight times the number. Find the number.

algebra
that is three

algebra
81

algebra
The lengths of the sides of a triangle are x,2x+1,5x+4inches. If the perimeter is 53inches, what is the value of x?

algebra
Using the equation below as a model, fill in numbers in the place of a and b to create a rational equation that has an extraneous solution. x+a/ax=b/x Part 1. Show all work to solve for x in the equation and check the solution. Part 2. Explain how to identify the extraneous ...

Math

english
English is the language of opportunity.why brother to teach indigenous languages?

physics
A 58 kg skier has a speed of 9.5 m/s at point A. She then encounters a 1.75 m deep dip in the snow's surface that has a circular cross section with a radius of curvature of 12 m.

physics
DOnt Know

maths
two sprinters runs the same race of 100m. One runs at a speed of 10m/s and the other runs at the speed of 8m/s. by what time will the first sprinter beat the other sprinter?

This is just sad I'm late too I bet I'm even in a different school XD but wow, or really gonna fight online why not do it in real life I'll do that well I kinda did

Math
Wow i was having trouble on it, its my lesson today and i was SOOOO confused XD

Math 1
I have this same question and am stuck plz help

chem
A 0.167-g sample of an unknown compound contains 0.00278 mol of the compound. Elemental analysis of the acid gives the following percentages by mass: 40.00% C; 6.71% H; 53.29% O. 1.)Determine the molecular formula of this acid. 2.)Determine the molar mass of the unknown acid.

Algebra1
-3|2x+6|=-12 How to solve for x, I relley need help please!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

math
12

Pre-Calculus

PHYSICS
An airplane is flying straight and level at a speed vo = 150 mph and with a constant time rate of increase of speed v' = 20 ft/s^2, when it starts to climb along a circular path with a radius of curvature p = 2000 ft. The airplane maintains v' constant for about 30s. ...

Miss Sue are this right?

Are this right?

Are this righ?

Physics
Two air-track carts move toward one another on an air track. Cart 1 has a mass of 0.336 kg and a speed of 1.16 m/s. Cart 2 has a mass of 0.634 kg. What speed must cart 2 have if the total momentum of the system is is to be zero? What is the system's kinetic energy?

-1.4 > or < than 2 3/4

math
Which describes this type of series? -20 - 18 - 15 - 11 … I think it is both arithmetic and geometric

Math Help

Learning
-9-(-1)

Chemistry
a middle-aged man has been diagnosed as being at high risk group of developing Coronary Artery Disease. Distinguish between the good and bad forms of this sterol. 'Explain the function of the good form of this sterol in the body. List the food groups that are the sources ...

Chemistry
Discuss in detail, the role played by DNA andRNA in genetic diseases. what are the breakthroughs, if any, in the treatment/management of genectic diseases?

Chemistry
a girl is celebrating her 7th birthday. each guest is served one large slice of choclate cake, a hamburger, french fries, and some oranges. identify the food groups mentioned above. if one slice of chocolate cake contains 35g of carbohydrate, 15g of fat and 5g of protein, ...

Chemistry
differentiate alkenes and alkynes, cis isomers and trans isomers. Describe how cis-trans isomers are used for night vision

Chemistry
the managing director of a well-known company on wall street thrives on a diet of fruit jam, bread, pasta, and coffee. She exercises intermittently. One day she decides to to her primary healthcare provider for a routine checkup. The healthcare provider recommends that she ...

Chemistry
At a prominent state hospital, a 45 year old woman is recieving a combined modality' treatment for the intial stage of breast cancer. State the two aspects included in this treatment. State the methods by which a radiation oncologist can administer these therapies. ...

Chemistry
What are the various uses of radioactivity in healthcare? What are the future trends in healthcare with respect to the use of radioactivitiy?

Chemistry
state three examples each of acids, bases,and salts commonly used in thera peutic processes. From the examples you state, select one acid, one base and one salt and describe how and where they are useed in therapeutic processes.

Chemistry
A 55 year old woman visits a popular eatery for lunch. She orders a cheese pizza and bacon pizza with extra cheese and has about 3 large glasses of cola (ph value 3). On the way back home she experiences heartburn and abdominal pain, and has diffigulty breathing. She drinks a ...

Chemistry
a 40-year-old manger at a prominent legal firm in L.A experiences abdominal pain post lunch. He goes to the restroom a couple of times, but continues to experience pain and cramps. He evevtually decides to get himself examined. While questioning him, you learn that he consumed...

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